Chemistry Test (Chapter 11)

¡Supera tus tareas y exámenes ahora con Quizwiz!

What do barometers measure

Atmospheric pressure

For the balanced equation: 2CO(g) + O2 (g) > 2CO2(g), the ratio 2:1:2 refers to all of the following except... A. Moles B. Molecules C. Pressure D. Volumes

C

Gay-Lussac recognized that at constant temperature and pressure, the volumes of gaseous reactants and products in an equation...

Can be expressed as ratios of small whole numbers

The law that relates the temperature and volume of a gas to each other is known as...

Charles' Law

The ratios of the volumes of the gaseous reactants and products in a chemical reaction at constant temperature can be determined from the...

Coefficients in the balanced equation

Whose law states that the total pressure of a gas mixture is the sum of the partial pressures of the gases in it

Dalton's

What does Boyle's Law's graph look like

Downward curve; as "X" increases, "Y" decreases

What is the formula for pressure

Force/Area

The Law of Combining Volumes applies only to gas volumes that are...

Measured at constant temperatures and volumes

At constant temperature and pressure, Avogadro's Law states that gas volume is directly proportional to the...

Number of moles of a gas

What is the SI unit for pressure

Pascals

How is the Combined Gas Law expressed

(P1 x V1)/(T1) = (P2 x V2)/(T2)

How do you get from Celsius to Kelvin

*Degrees in Celsius* + 273 degrees = Kelvin

What is the pascal equal to

1 N/m^2

A sample of helium has a volume of 250ml when its pressure os 0.935 atm. If the temperature remains constant, what will the pressure of the gas be when it has a volume of 175ml

1.34 atm

A 10.2L canister of Oxygen gas contains 58.6 mol of gas at a temperature of 25 *degrees Celsius*. What is the pressure of this gas

141 atm; use R=(0.0821L x atm)/(mol x K)

That gas in an aerosol container is at a pressure of 3.5 atm at 24*degrees Celsius*. The caution on the container warns against storing it at temperatures above 95*degrees Celsius*. What would the gas pressure in the container be at 95*degrees Celsius*

4.34 atm

You collect 552ml of Argon gas at 23 *degrees Celsius* what volume will the gas occupy at 46 *degrees Celsius* of the pressure remains constant

595ml

What is 722 mmHg in torrs

722 torrs

Air is about 78% Nitrogen, 21% Oxygen, and 1% other gases. After all the Oxygen is removed from a sample of air in a glass tube and the pressure and temperature stay constant, the pressure exerted by the remaining air is...

Reduced by 21%

According to Avogadro's Principle, 1L of H2(g) and 1L of O2(g) at the same temperature and pressure have...

The same number of molecules

To determine the number of moles of a gas at STP when you are given the volume of a gas, use...

V/22.4L


Conjuntos de estudio relacionados

Plato Technical Communication Class

View Set

Chemistry Chapter 6 Homework Assignment

View Set

AC204 • Exam 2 • Chapters 5, 6, 13

View Set

EDUC 1300 chapters 1,2,3,7,8,& 9 hcc, Improvement of study, college skills, Chapter 1- Connect

View Set

medical sociology quiz questions

View Set

Лексичний мінімум з англійської ЗНО та ЄВІ (Частина 1)

View Set