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I didn't check the math but 2 is worked correctly. The question asks for the number of atoms and there are three atoms per molecule of NO2; i. Wouldn't you have to multiply the number of molecules 1. Therefore, it would equal 6. First Name. Your Response.
Questions: 1. How many molecules of pyruvic acid are produced when a single glucose molecule undergoes glycolysis? Order the atoms involved in cellular respiration from most prevalent to least. How many CO2 molecules are. When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this observation?
The iron atoms in iron oxide have more mass than pure iron. There are more iron atoms in iron. How many molecules of NO2 are needed to. How many carbon tetrachloride CCl4 molecules are in 3.
How many carbon atoms? How many chlorine atoms? How many total atoms? Choose the total number of each item requested below. If the solubility of Ag2CO3 is 1. V1 P2 V2 1. V1 T1 V2 1. What is its volume at the final temperature?
If A balloon has a volume of 3. If the balloon is submerged in water to a depth where the pressure is 4. Assuming the bag does not break, what will be its volume at the top of the mountain where the pressure is mm Hg and the temperature is 5.
Calculate the volume occupied by Calculate the number of molecules of gas in a basketball inflated to a total pressure of A bicycle tire has an internal volume of 1. The tire will burst if its internal pressure reaches 7. To what temperature, in degrees C, does the air in the tire have to be heated to cause a blowout? If a spacecraft could collect Answ: 4 moles Partial Pressure A gas mixture contains each of the following gases at the indicated partial pressure.
What is the total pressure of the mixture in atm? A mixture of helium, nitrogen, and oxygen has a total pressure of mm Hg. The partial pressures of helium and nitrogen are mm Hg and mm Hg, respectively. What is the partial pressure of oxygen in the mixture? What is the partial pressure of the oxygen gas? Answ: mm Hg Unit 8 Student Handout 6 If the total pressure is 1. An air sample contains 0.
If the total pressure is mm Hg, what is the partial pressure of CO2? A heliox deep-sea diving mixture contains 4. What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 8.
A scuba diver breathing normal air descends to m of depth, where the total pressure is 11 atm. What is the partial pressure of oxygen that the diver experiences at this depth? Is the diver in danger of experiencing oxygen toxicity? Oxygen toxicity is experienced when the partial pressure of O2 g in blood is 1. Answ: 2. What is the total pressure, in atmospheres, of a gas mixture that contains 1. What are the partial pressures of the two gases?
A What is the ratio of the number of moles of halothane to the number of moles of oxygen? Which gas effuses faster: hydrogen or chlorine? How many times faster? Suppose you have two vials - one containing ammonia, and the other containing chlorine. When they are opened across the room, which would you expect to smell first? Which gas effuses faster at the same temperature: oxygen or argon? Answ:O2, 1. What is the ratio of effusion rates for the lightest gas, H2, and the heaviest known gas, UF6?
Calculate the ratio of the velocity of helium gas to the velocity of neon gas at the same temperature. What is the molar mass of an unknown gas if it diffuses 0.
Suppose a gas diffuses 1. What is the molar mass of the unknown gas? At a given pressure and temperature, it takes 4. How long does it take for 1.
A sample of an unknown gas effuses in An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2. Calculate the volume of each of the following gas samples at STP. Calculate the mass of each of the following gas samples at STP. Assume that the hydrogen gas is collected at a pressure of 1.
Answ: 42 L 4. Oxygen gas reacts with powdered aluminum to produce aluminum oxide. Answ: 43 L Unit 8 Student Handout 9 5. Nitrogen reacts with powdered aluminum to produce aluminum nitride. How many liters of N2 gas, measured at STP, are required to completely react with Answ: 7. Answ: H2 limits b. Cylinder A in the picture below contains 0. Choose the cylinder B, C, or D that correctly represents the volume of the gas after each of the following changes. P is doubled at fixed n and T. Which of the following samples of gases occupies the largest volume, assuming each sample is at the same temperature and pressure— Unit 8 Student Handout 10 3.
Assume each gas has a distinctive odor; you are seated 10 meters away when these gases are released into the air, and it takes 20 seconds to smell the first gas. Answ: approximately 30 s 4. What volume of carbon dioxide gas contains the same number of oxygen atoms as A gaseous compound containing hydrogen and carbon is decomposed and found to contain What is the molecular formula of the compound?
Answ: C4H10 6. The mass of mL of the gas, measured at STP, is found to be 0. The partial pressure of carbon dioxide varies with seasons. Would you expect the partial pressure in the Northern Hemisphere to be higher in the summer or winter? A healthy adult exhales about 5. Containers A, B, and C are attached by closed stopcocks of negligible volume.
If each particle shown represents particles, a. Related documents. Tutorial 1. Download advertisement. Add this document to collection s.
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