In the soda can experiment for Gas Laws, one soda can (emptied and cleaned) is supplied...
In the soda can experiment for Gas Laws, one soda can (emptied and cleaned) is supplied and heated on a hotplate with 2 table spoons of water. Once heated the can is then put into cold water with the open side down. During this process the can is then crushed. Answer the questions to help determine the cause of this experiment.
1. Was there a mixture of gases in the can?
2. What happened to the water vapor when the temperature dropped so suddenly?
3. What happened to the other gases in the can?
4. Did the number of moles of gas change suddenly?
5. What gas variables were in play?
6. What caused the can to behave as it did when the temperature dropped suddenly?
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In the soda can experiment for Gas Laws, one soda can (emptied
and cleaned) is supplied...
2. The gas laws are defined for ideal gases. Real gases do not always follow the...
2. The gas laws are defined for ideal gases. Real gases do not always follow the gas laws exactly Under what conditions would you predict that real gases least approximate ideal gas behavior Explain why real gases behave least like ideal at the conditions you stated. 3. Define molar mass including the units in which it is expressed. on produced a 0.311 g sample of gas which occupied 225 ml at 55°C exerting a pressure of 886 mm Hg. What...
PreLab Questions Gas Laws 1. In a mixture of helium and nitrogen the helium exerts a...
PreLab Questions Gas Laws 1. In a mixture of helium and nitrogen the helium exerts a pressure of 0.65 atm and the nitrogen exerts a pressure of 1.50 atm. What is the pressure exerted by the mixture of the two gases? 2. Water vapor is water in the gaseous state. A gas that is collected over water will become saturated with water molecules because the water exerts a vapor pressure. The higher the temperature of the liquid water, the higher...
drawer name: PreLab Questions Gas Laws 1. In a mixture of helium and nitrogen the helium...
drawer name: PreLab Questions Gas Laws 1. In a mixture of helium and nitrogen the helium exerts a pressure of 0.65 atm and the nitrogen exerts a pressure of 1.50 atm. What is the pressure exerted by the mixture of the two gases? 2. Water vapor is water in the gascous state. A gas that is collected over water will become saturated with water molecules because the water exerts a vapor pressure. The higher the temperature of the liquid water,...
part c and d please ? The Gas Laws h. Measured final volume of gas in...
part c and d please ?
The Gas Laws h. Measured final volume of gas in the flask (V2 measured): mL 26laml 1. Calculated final volume of gas in the flask (V2 calculated): mL 3247610 371.65 295.75 j. Percent of error: % 3% Calculations (include all units): 0.872 = 0.899 2. Review Questions: a. Suppose a student performed this experiment but did NOT close off the rubber tubing during the transfer to the cold water bath. Would their V2 measured...
please show steps. thanks ! Experiment 19 Gas Stoichiometry and the Gas Laws The relationship between...
please show steps. thanks !
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Experiment 9- Decomposition of Baking Soda A. mass of H2CO3 gas released, (H2CO3 decomposed into H2O...
Experiment 9- Decomposition of Baking Soda
A. mass of H2CO3 gas released, (H2CO3 decomposed into H2O +
CO2)?
B. mass of NaHCO3 in unknown mixture?
C. mass of NaHCO3 in unknown mixture?
D. mass of KCL in unknown mixture?
CURCU ILI U ULICOS MOLLE (Part 2) Percent of NaHCO3 in an Unknown Mixture 1) Weigh out approximately 1 g of the unknown sample into your cruci 2) Repeat the steps of the previous procedure. ne steps of the previous procedure....
Question 1 1 pts In this experiment, how can you tell when the baking soda is...
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need help with questions EXPERIMENT 9: ELECTROLYSIS AND AVOGADRO'S NUMBER QUESTIONS 1. What solution is used...
need help with questions
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With the data given, help on the calculations please - Tes Name Determination of the Gas...
With the data given, help on the calculations please
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1) In experiment 1, post-lab question, what are the black dots surrounding the large neuronal cell...
1) In experiment 1, post-lab question, what are the black dots
surrounding the large neuronal cell (labeled B)?
microtubules
glial cells
bacteria
extracellular matrix
2)
In experiment 2, you stared at a blue triangle for 30 seconds
and then looked at a white piece of paper. What happened and
why?
you saw a blue triangle because your brain can't register color
changes that quickly
you saw a different colored triange, because your brain can't
register color changes that quickly
you...
2. The gas laws are defined for ideal gases. Real gases do not always follow the gas laws exactly Under what conditions would you predict that real gases least approximate ideal gas behavior Explain why real gases behave least like ideal at the conditions you stated. 3. Define molar mass including the units in which it is expressed. on produced a 0.311 g sample of gas which occupied 225 ml at 55°C exerting a pressure of 886 mm Hg. What...
PreLab Questions Gas Laws 1. In a mixture of helium and nitrogen the helium exerts a pressure of 0.65 atm and the nitrogen exerts a pressure of 1.50 atm. What is the pressure exerted by the mixture of the two gases? 2. Water vapor is water in the gaseous state. A gas that is collected over water will become saturated with water molecules because the water exerts a vapor pressure. The higher the temperature of the liquid water, the higher...
drawer name: PreLab Questions Gas Laws 1. In a mixture of helium and nitrogen the helium exerts a pressure of 0.65 atm and the nitrogen exerts a pressure of 1.50 atm. What is the pressure exerted by the mixture of the two gases? 2. Water vapor is water in the gascous state. A gas that is collected over water will become saturated with water molecules because the water exerts a vapor pressure. The higher the temperature of the liquid water,...
part c and d please ?
The Gas Laws h. Measured final volume of gas in the flask (V2 measured): mL 26laml 1. Calculated final volume of gas in the flask (V2 calculated): mL 3247610 371.65 295.75 j. Percent of error: % 3% Calculations (include all units): 0.872 = 0.899 2. Review Questions: a. Suppose a student performed this experiment but did NOT close off the rubber tubing during the transfer to the cold water bath. Would their V2 measured...
please show steps. thanks !
Experiment 19 Gas Stoichiometry and the Gas Laws The relationship between the physical properties of a gas, and the moles, is given by the “Ideal Gas Law:" PV=nRT where n-number of moles R=the ideal gas constant: 0.0821 atm L mole 'Kor 62.4 L torr molek In this experiment, the theoretical yield of gas, will be compared to the experimental yield. The reaction of aluminum with hydrochloric acid produces hydrogen according to the balanced equation below....
Experiment 9- Decomposition of Baking Soda
A. mass of H2CO3 gas released, (H2CO3 decomposed into H2O +
CO2)?
B. mass of NaHCO3 in unknown mixture?
C. mass of NaHCO3 in unknown mixture?
D. mass of KCL in unknown mixture?
CURCU ILI U ULICOS MOLLE (Part 2) Percent of NaHCO3 in an Unknown Mixture 1) Weigh out approximately 1 g of the unknown sample into your cruci 2) Repeat the steps of the previous procedure. ne steps of the previous procedure....
Question 1 1 pts In this experiment, how can you tell when the baking soda is completely decomposed? O the water level in the beaker remains constant O the water in the beaker bubbles the sample begins to smoke the sample turns dark grey O the rubber stopper pops out of the test tube Question 2 1 pts Which of the following safety precautions is advisable? O all of these answer choices O avoid burns from the laboratory burner O...
need help with questions
EXPERIMENT 9: ELECTROLYSIS AND AVOGADRO'S NUMBER QUESTIONS 1. What solution is used in the apparatus for this experiment? a. Would anything else work? b. If so, what are some examples? 2. What gas forms at the cathode in this experiment? 3. What gas forms at the anode in this experiment? 4. How is the temperature of each of the gases determined? EXPERIMENT ELECTROLYSIS & AVOGADRO'S NUMBER UUUUUUUUUUU INTRODUCTION Electrolysis is the process of causing a chemical...
With the data given, help on the calculations please
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1) In experiment 1, post-lab question, what are the black dots
surrounding the large neuronal cell (labeled B)?
microtubules
glial cells
bacteria
extracellular matrix
2)
In experiment 2, you stared at a blue triangle for 30 seconds
and then looked at a white piece of paper. What happened and
why?
you saw a blue triangle because your brain can't register color
changes that quickly
you saw a different colored triange, because your brain can't
register color changes that quickly
you...
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