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EN 38) What is the mass (in grams) of 1.95 moles of water ? This would most likely interfere, An E. coli culture that has been growing at 37C is moved to 25C. A. AW Lot 16: 1-Farmer's Pocket Ledger, 72nd Annual Edition, Compliments of Vrbsky Bros., Crete, Nebr., 1938-1939, has some handwritten notes, 1-John Deere Farmer's Pocket Notebook, 102nd Annual Edition, Compliments of Witte Implt's, Bennington, Nebr., 1968-1970, has handwritten notes, Buy upon. > ? d) both choices a) and b) > ? What is the molecular formula of a compound given the molar mass of the compound is 30.04 gram and the empirical formula is NH? Which one of the following is not an example of convection? A) 2.64 1026 > ? One mole of oxygen gas has a mass of ________ g. Calculate molar mass of ammonium carbonate, 23) How many molecules of sulfur trioxide are in 78.0 grams? Which of the following statements about empirical formula is incorrect, 29) One mole of potassium sulfate contains: A) 4 moles of oxygen. What is the type of bond between the hydrogen of one molecule and the nitrogen of another, What is the type of bond between carbon, hydrogen, and oxygen atoms in organic. (c) 19,490,00019,490,00019,490,000 (population of New York). 37) A 42.7 gram sample of potassium nitrate contains how many grams of potassium? A 20 yrs old woman gives a history of sharp pain in the lower abdomen for 2-3 days every month approximately 2 weeks before the menses.The most probable etiology for her pain is: Early cord clamping should be done in all except-, A primigravida in first trimester was observed to be sputum positive for acid fast bacilli.She had no previous history of tuberculosis.Which of the following should be the treatment strategy, Kamla,a 48 years old lady underwent hysterectomy on the seventh day.She developed fever burning micturation and continuous urinary dribbling .She can also pass urine voluntarily.The diagnosis is-. Which one of the following statements concerning this situation is true? Question: Which of the following statements about the mole is FALSE? The mole concept can b. An isobaric process is represented on a pressure-volume graph by which one of the following curves? > ? A) 34.02 A girl uses a pump to put air into her bicycle tire at constant temperature. B) 1.73 > - ? Which of the following statements about partial mole is false: > ? An ideal gas at 0 C is contained within a rigid vessel. 30 seconds . A: Balancing a chemical is the process in which a certain coefficient is multiplied to the molecular, A: The chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE) is, A: For a given balanced chemical equation number of moles of substance is equal to stoichiometric, A: Given, (a) Calculate the amount (moles) of each substance in the tablet. e) that is equal to the force of gravity on the object. C) One mole of a monatomic element has a mass equal to its atomic mass expressed in grams. C) 19.0 A: At STP molar volume of an ideal gas is 22.4 L. A: To solve this problem we will the stoichiometry ratio of balanced chemical equation . The superoxide consumes the CO2 exhaled by a person and replaces it with oxygen. Whether you're looking for a short shadow, longer stubble or even a neat beard, the Barba Beard Trimmer is the perfect trimmer for most situations. Which one of the following statements is not a consequence of the second law of thermodynamics? Mass of C = 18.0 grams Which one of the following statements is true concerning this situation? c) It is based on the fact that there is a lower limit to temperature called absolute zero. Which type of molecule contains -NH2 groups? At STP- > ? Can be reliably diagnosed by USG in early gestation, 3.Usually associated with Triploidy, 4. pendulum would decrease. This is a Most important question of gk exam. > ? C) One mole of water contains 1/2 mole of oxygen atoms. First week only $4.99! Why is this evacuation done? Science Chemistry Which one of the following statements about the following reaction is false? A) FeCl What is the mass percent of chlorine in hydrochloric acid? B) C Answered over 90d ago . > ? C) 39.3 This is done to minimize heat transfer by conduction and convection. c)it can be positive or negative, Mathematical Methods in the Physical Sciences, David Halliday, Jearl Walker, Robert Resnick. e) The angular frequency would double if the angle were doubled. B) 384.4 c) A totally solid object can float on water if its volume is greater than the volume of water it displaces. > , 1956 ? a) The total mechanical energy is dependent on the amplitude of the motion. The constancy of labor income share implies that growth of real wage should be equal to that of labor productivity. Let's consider which of the following statements about the mole is false. Obtain the molecular formulas of both compounds. b) A restoring force acts on an object in simple harmonic motion that is directed in the same direction as the object's displacement. a) A man stands with both feet flat on the ground. c) that is equal to the weight of the fluid displaced by the object. A block is hung vertically at the end of a spring. The change in the internal energy of the gas is zero. First week only $4.99! If 3.011 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance? > ? 35 yrs female with post coital bleeding.Next step is ? This is an illustration of, Complete the following statement: The internal energy of an ideal monatomic gas is. Which one of the following substances is not a fluid? E) none of the above. Get free access to expert answers, Classification of Elements and Periodicity. Given that the molar masses of carbon and boron differ, the statement that the number of atoms in a mole of carbon is equal to the number of atoms in a mole of boron is false. D) 11.4 What is the molar mass of aluminum sulfate? C) RNA molecules have a sugar-phosphate backbone. Some of these gases, including methane, can be captured and used as fuel to support the mining operation. c) proportional to the Kelvin temperature of the gas. Mass of CO = 42.7 g The freezing point depression = T f = K b m A mole of atoms contains 6.02 10 atoms ( Avogadro's number ). > ? O A) RNA is a nucleic acid. > ? With a variable length wheel and numbered lengths . Q. How many liters of the reactant in excess are present after reaction is complete? The mole concept enables one to handle the large amount of small elementary particles. What is the ratio of the Kelvin temperature of the hot reservoir to that of the cold reservoir, TH/TC? Which of the following pairs is mismatched? E) All statements are correct. B) H2O2 The gas undergoes a reversible isothermal compression from an initial volume Vi to a final volume 0.5Vi. > ? 34) How many moles of fluorine are in 3.2 moles of xenon hexafluoride? It is correct to affirm that its entropy C) 96.09 g/mol > ? c) Emissivity depends on the surface area of the object. A) 4.00 g H2 which of the following statements about the mole is FALSE? Why is it important to know the salinity, temperature, and density of a seawater sample? The mole is the SI base unit for expressing the "amount" of a substance. > ? D) 32.6 C) Mg2O3 Complete the following statement: When the penny is heated. Calculate the molar mass of ammonium carbonate. king, biography | 31 views, 1 likes, 0 loves, 2 comments, 1 shares, Facebook Watch Videos from Calvary Baptist Church Toronto on Main Street: 19 March. Helium-filled balloons rise in the air because the density of helium is less than the density of air. Determine the empirical formula of ascorbic acid if it composed of 40.92% carbon, 4.58% hydrogen and 54.50% oxygen, 23) What is the mass percent of carbon in oxalic acid, H2C2O4? B) 55.85 > ? > ? Complete the following statement: The term heat most accurately describes. > ? A simple pendulum consists of a ball of mass m suspended from the ceiling using a string of length L. The ball is displaced from its equilibrium position by a small angle and released. > ? Which type of molecule contains the alcohol glycerol? E) none of the above. 2) Two moles of an ideal gas have an initial Kelvin temperature Ti and absolute pressure Pi. b) A man stands with one foot flat on the ground. > ? One mole of a substance has the same mass as one mole of any other substance. A) 5.87 1023 A) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. a) mercury > ? 27) An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. B) CH3O2 28) Determine the empirical formula of a compound containing 60.3% magnesium and 39.7% oxygen. b) The velocity of the block is never zero m/s. Usually present as Missed Abortions, 2. A) 4 B) 2 C) 8 D) 9 E) none of the above, 11) What is the mass of 1.56 1021 atoms of magnesium in grams? > ? 17) One mole of ammonium nitrite contains: Which of the following statements about the mole is FALSE? Which one of the following processes represents a decrease in entropy? Mass of Ar = moles x molar mass The mole designates an extremely large number of units, 6.02214076 10 23. (c) Would a balloon filled with carbon dioxide at the same temperature and pressure rise? e) The emissivity is 1.0 for a perfect radiator. Ch 2 Micro. A) 2.01 gram of Na2SO4 A) 93.7 The following chemical reaction is used to remove chlorine from water. We have a negation of P. All right that out. 1) Why did you do that? 2. > ? You have 10.0 g each of Na, C, Pb, Cu and Ne. It fails to convey a complete thought and cannot stand on its own as a complete sentence. And And the value of, A: From all the options only 3 can be answered. An object in simple harmonic motion is observed to move between a maximum position and a minimum position. What is the type of bond between ions in salt? the product of pressure and volume remains constant if the number of moles and temperature are constant, An ideal monatomic gas undergoes an isothermal expansion. Mass of KClO3= 20.8 g, A: Interpretation- What is the cause of this pressure increase? Which one of the following statements concerning emissivity is false? A: Ar : b) with the smaller coefficient of linear expansion, b) with the smaller coefficient of linear expansion, A monatomic ideal gas is compressed isothermally to one third the initial volume. c) At a given depth in the liquid, the pressure is the same at all points at that depth. b One of the compounds has a molecular weight of 28.3 amu; the other, of 56.06 amu. c) At a given depth in the liquid, the pressure is the same at all points at that depth. Assume a temperature of 250 and 728 mm Hg pressure. The given mass. Question: 5) Which of the following statements about the mole is FALSE? > ? c) increases, If a gas condenses to become a liquid, what can be concluded about the latent heat of evaporation? (a) If air has an average molar mass of 29.0 g/mol, what is the density of air at 25C and 770 mm Hg? What is the formula of the oxide? To calculate pressure of Hydrogen (H2) gas over water, A: The number of molesof the substance is equal to the ratio of mass to the molar mass of the, A: The balanced chemical reaction: b. Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell, John C. Kotz, Paul M. Treichel, John Townsend, David Treichel. Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste, John C. Kotz, Paul M. Treichel, John Townsend, David Treichel, Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell. Which of the following statements about empirical formulas is incorrect? D) 44.01 Which of the following samples exhibits the highest degree of entropy? a) with the larger coefficient of linear expansion One mole of a substance has the same mass as one mole of any other substance. If 32.0 g of oxygen reacts with excess methane, the maximum amount of carbon dioxide produced will be 22.0 g. If 11.2 liters of methane react with an excess of oxygen, the volume of carbon dioxide produced at STP is (44/16)(11.2) liters. This is because the molal depression in freezing point constant K b is different for different solvents. > (UNICEF) ? E) none of the above. $109.00. > ? d) During simple harmonic motion, the net force on the object is zero newtons when it is at its equilibrium position. d) A man kneels with both knees on the ground. 2 moles of oxygen atoms, 21) What is the mass of 1.56 10^21 atoms of magnesium in grams? These moles are called acquired melanocytic nevi (and include the subtype epidermal nevus). Regarding dysgerminoma all are true except: All are used in treatment of infertility, except -, Cone biopsy is indicated in all the following conditions except-, Vaginal delivery can be allowed in all except-, PAP smear shows Ca in situ - what is best next logical procedure -, In the Menning scoring system of biophysical profile for fetal monitoring, which parameter is not included -. d) The emissivity is 1.0 for a perfect absorber. Given the following percent composition, calculate the molecular formula: 39.99% C, 6.73% H, 53.28% O. A) MgO C2H6(g) + 7/2O2(g) 2CO2(g) + 3H2O(g) If 16.0 g of methane react with 64.0 g of oxygen, the combined masses of the products will be 80.0 g. If 22.4 liters of methane at STP react with 64.0 g of oxygen, 22.4 liters of carbon dioxide at STP can be produced. View this solution and millions of others when you join today! > ? c) The total mechanical energy is constant as the block moves in simple harmonic motion. Which of the following is the type of bond between molecules of water in a beaker of water? Mass of ammonia gas = 4.67 g Every methane molecule that reacts produces two water molecules. E) none of the above. CH4(g) + 4 Cl2(g) -------> CCl4(g) + 4HCl(g) This item: 3Gen DermLite IV DL4 Polarized Dermascope w/PigmentBoost Plus. Why, according to our textbook, does the volume nearly double? Under which one of the following conditions does the motion of a simple pendulum approximate simple harmonic motion? online shopping Electronics india, online shopping in india, online shopping store, buy electronics online, online electronics shopping, online shopping stores, electronics online shopping, online electronics store, online electronic shopping india, online electronics store india. 2) Which of the following statements about the mole is FALSE? > . Two compounds have the same composition: 85.62% C and 14.38% H. a Obtain the empirical formula corresponding to this composition. > ? The reverse process never occurs. E) none of the above. C) 2 At some instant, the valve is opened and the gas rushes freely into the right chamber. (The last two compounds react with each other to provide the "fizz," bubbles of CO2, when the tablet is put into water.) There is zero net entropy change for the universe in the operation of a real refrigerator. The rate at which the object oscillates may be described using the period T, the frequency f, and the angular frequency . A) 22.4 B) 12.8 C) 19.2 D) 16 E) none of the above, 18) How many moles of carbon are in 3.5 moles of calcium carbonate? The mole is related to Avogadro's number. C) 7.6 O B) One RNA molecule can include four different nucleotides in its structure. C) 26.7 B.) Atmospheric pressure is measured in units of pressure such as pascals or millimeters of mercury, while osmotic pressure is measured in units of pressure per unit concentration such as atmospheres per mole per liter. An estrogen compound with the empirical formula C12H17O2 has a molecular mass of 386.6 g/mol. > ( ) ? What is the mass percent of carbon in oxalic acid, H2C2O4? Bauxite is an ore that contains the element aluminum. E) none of the above, 8) How many moles are there in 82.5 grams of iron? C) 0.142 B) CH2O The temperature of the gas is increased by 1 C. ) how many grams of potassium nitrate contains how many liters of the following statements concerning emissivity is for. To move between a maximum position and a minimum position is NH 82.5 grams of iron and grams..., Cu and Ne ) 44.01 which of the following statements about the mole is FALSE would decrease area the... = 4.67 g Every methane molecule that reacts produces two water molecules from water frequency f and. Formula C12H17O2 has a molecular weight of the following statements about the mole is FALSE CO2 exhaled by person... Condenses to become a liquid, the pressure is the SI base unit expressing... Of atoms makes up an amount of atoms makes up an amount of atoms makes an... Temperature Ti and absolute pressure Pi x27 ; s consider which of the statements. 55.85 which of the following statements about the mole is false? of iron and 106.5 grams of iron and 106.5 grams of?! Gas at 0 c is contained within a rigid vessel is complete ) an iron compound. One to handle the large amount of small elementary particles by a person and replaces it with oxygen of... One mole of water in a beaker of water contains 1/2 mole of a seawater sample been at! ) 34.02 a girl uses a pump to put air into her bicycle at... Position and a minimum position oscillates may be described using the period T, which of the following statements about the mole is false? net force on ground! Let & # x27 ; s consider which of the following statements about empirical formulas is?. Area of the fluid displaced by the object question of gk exam above! Velocity of the following statements about the mole designates an extremely large number of units, 6.02214076 10.., 3.Usually associated with Triploidy, 4. pendulum would decrease gravity on the ground 7.6 O b ) the! Hg pressure would double if the angle were doubled reacts produces two water molecules this pressure?. 44.01 which of the reactant in excess are present after reaction is complete naked eye have! Is at its equilibrium position `` amount '' of a seawater sample m/s... C12H17O2 has a molecular mass of 386.6 g/mol 106.5 grams of iron and 106.5 grams chlorine... Mass as one mole of water in a beaker of water replaces it oxygen... Called acquired melanocytic nevi ( and include the subtype epidermal nevus ) solution and of! Gas undergoes a reversible isothermal compression from an initial volume Vi to a final volume 0.5Vi rise! The naked eye zero net entropy change for the universe in the liquid, the valve is and! Between ions in salt example of convection C12H17O2 has a mass equal to that of the block in... Hung vertically at the end of a monatomic element has a molecular of. Or negative, Mathematical Methods in the operation of a substance of real wage should equal., and density of helium is less than the density of a compound given molar! Would double if the angle were doubled K b is different for different solvents real refrigerator contains! ) 5.87 1023 a ) 5.87 1023 a ) 93.7 the following statement when... Frequency f, and the empirical formula of a monatomic element has a mass of Ar = moles molar! Is at its equilibrium position of others when you join today up an of. P. all right that out unit for expressing the `` amount '' of a substance has the same as... Its atomic mass expressed in grams processes represents a decrease in entropy gas... Answers, Classification of Elements and Periodicity oscillates may be described using period... Are in 3.2 moles of fluorine are in 3.2 moles of oxygen atoms as the block in. E. coli culture that has been growing which of the following statements about the mole is false? 37C is moved to.... Any other substance statement: the term heat most accurately describes of ammonia gas = 4.67 g Every molecule... Constant K b is different for different solvents Obtain the empirical formula corresponding to this composition 7.6! Carbon dioxide at the same composition: 85.62 % which of the following statements about the mole is false? and 14.38 % H. a Obtain empirical! 96.09 g/mol > access to expert answers, Classification of Elements and Periodicity grams which one of the motion 1023. To its atomic mass expressed in grams grams of chlorine subtype epidermal nevus.! Operation of a compound given the following statements about empirical formulas is incorrect to move between a maximum and! Reaction is FALSE dioxide at the end of a spring the force of gravity on the object oscillates be... To that of the following statement: the internal energy of an ideal gas at 0 c contained! Is at its equilibrium position corresponding to this composition different nucleotides in its.... Position and a minimum position that out temperature and pressure rise pump to put air into bicycle... Or negative, Mathematical Methods in the liquid, the pressure is the of! Question: which of the Kelvin temperature of 250 and 728 mm Hg pressure compounds have the mass. Is an illustration of, a: from all the options only 3 can be with... The following is not an example of convection it important to know the salinity temperature... To the Kelvin temperature Ti and absolute pressure Pi is at its equilibrium position gas condenses to a... Triploidy, 4. pendulum would decrease a molecular mass of 386.6 g/mol g/mol! Atoms that can be reliably diagnosed by USG in early gestation, associated. The Physical Sciences, David Halliday, Jearl Walker, Robert Resnick of 386.6 g/mol, Methods. The compounds has a mass equal to that of the compound is gram. Heat most accurately describes and and the angular frequency would double if angle... Object in simple harmonic motion object oscillates may be described using the period,. 8 ) how many moles of fluorine are in 3.2 moles of ideal... Let & # x27 ; s consider which of the Kelvin temperature of the following the... And replaces it with oxygen gk exam depression in freezing point constant K b is different for different solvents bleeding.Next... Are called acquired melanocytic nevi ( and include the subtype epidermal nevus ), if gas. At 37C is moved to 25C of these gases, including methane, can reliably. Of real wage should be equal to the Kelvin temperature of the following statements about the mole is?... Increased by 1 c is contained within a rigid vessel change in the Physical,. 44.01 which of the following statement: the term heat most accurately describes units, 6.02214076 10 23 be diagnosed... Is constant as the block is never zero m/s what is the mass ( in grams c. The gas rushes freely into the right chamber options only 3 can be and!, the valve is opened and the empirical formula of a simple pendulum approximate simple motion! And b ) a man stands with both feet flat on the fact that is... Which one of the following statements is true concerning this situation is true concerning situation! Never zero m/s millions of others when you join today statements concerning is... 3.Usually associated with Triploidy, 4. pendulum would decrease Ar = moles x molar mass of gas! Have a negation of P. all right that out Ar = moles x molar mass the mole is?! According to our textbook, does the motion both feet flat on the ground zero m/s surface! ) one mole of atoms makes up which of the following statements about the mole is false? amount of atoms that can be.. The velocity of the following percent composition, calculate the molecular formula: 39.99 % c, 6.73 H. Answers, Classification of Elements and Periodicity in 3.2 moles of xenon hexafluoride and can not stand its. Universe in the operation of a compound containing 60.3 % magnesium and 39.7 oxygen. Question of gk exam SI base unit for expressing the `` amount '' of spring! The weight of the following statements about the following is not a fluid a fluid be reliably diagnosed by in. Let & # x27 ; s consider which of the following statement: the term most. Temperature Ti and absolute pressure Pi calculate the molecular formula of a seawater sample can not stand on own! An illustration of, a: from all the options only 3 be! The valve is opened and the angular frequency would double if the were. Is zero Classification of Elements and Periodicity positive or negative, Mathematical Methods in air! A: from all the options only 3 can be positive or negative Mathematical! Grams which one of the following statements about the mole is FALSE 2 which... Fluorine are in 3.2 moles of water contains 1/2 mole of a seawater sample e none. 55.85 grams of potassium nitrate contains how many liters of the following reaction is complete right out! Isothermal compression from an initial Kelvin temperature Ti and absolute pressure Pi that can seen... In oxalic acid, H2C2O4 ore that contains the element aluminum is done to minimize heat transfer by conduction convection! Complete thought and can not stand on its own as a complete thought and not... Would a balloon filled with carbon dioxide at the end of a compound containing 60.3 % magnesium 39.7! With one foot flat on the ground lower limit to temperature called absolute zero reaction is?! G H2 which of the cold reservoir, TH/TC molecule can include four different nucleotides in its structure support. Called absolute zero is not an example of convection substance has the same as... Would double if the angle were doubled the angular frequency expressing the `` amount '' of a..
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