Gas Laws
Conversions
Problems
True or False
Random

### 100

Two factors affect the physical state of matter of a substance. What are they?
1- Attractive Forces between the molecules 2- Kinetic Energy of the molecules

### 100

A substance has a density of 0.30 g/L and occupies a volume of 5mL. How many kilograms is this equal to?
1.5 x10^-6 kg

### 100

7 days = _____________seconds
604,800 seconds

### 100

Molecules in an ice cube are more attracted to each other compared to molecules in water vapor. True or False
False

### 100

What does STP stand for?
Standard Temperature Pressure

### 200

Explain why balloons expand when placed in a vaccum
The less pressure, the more volume

### 200

Number of atoms in 0.25 mol of Ag
1.5 x10 ^23 atoms

### 200

Predict the products and balance the following reaction: Al2(SO3)3 + NaOH -->
Al2(SO3)3 + 6 NaOH --> 3Na2SO3 + 2 Al(OH)3

### 200

The three gas laws can be combined and expressed by a mathematical expression called combined gas law. True or False?
True

### 200

Scientists agreed that at STP, the pressure would be _______atm and the temperature ______K
1atm and 273K

### 300

Which gas law states that: At a constant volume, pressure and temperature are directly proportional
Gay-Lussac's Law

### 300

Calculate the number of mols of Ni in 1.75g of pure Ni
0.02 mol

### 300

Predict the Products and Balance the following reaction: C2H6 + O2 -->
2 C2H6 + 7 O2 --> 4 CO2 + 6 H2O

### 300

Charle's Law states that: At a constant Volume: Pressure and Temperature are inversely proportional. True or False?
False. At a constant pressure: Volume and Temperature are directly proportional

### 300

In the ideal gas law, What is the value for the ideal gas constant?
0.0821 L*atm/mol *K

### 400

What is Boyle's Law?
At a constant temperature: Volume and Pressure are inversely proportional

### 400

What is the weight of 2.35x1023 molecules of Fe2S3 in grams?
81.15 grams of Fe2S3

### 400

If you start with 5.5 grams of lithium chloride, how many grams of calcium chloride will be produced? 2LiCl + Ca --> CaCl2 + 2Li
7.20 g CaCl2

### 400

The formula for the Ideal Gas Law is: PV=nRT. True or False?
True

### 400

1 mole of any gas at STP occupies a volume of _______ L
22.4 L

### 500

If the temperature, pressure and volumes of two gases are the same, the two gases contain the same number of molecules regardless of their identity

### 500

If you have a sample of 3.6 mol of N2O3 How many atoms of oxygen are there is the sample?
6.5x10^24 atoms of oxygen

### 500

How many grams of Al will be produced if you have 25.4g of Al2O3 and 10.2g of Fe? Al2O3 + Fe --> Fe3O4 + Al
4.37g of Al

### 500

The following reaction is a Single Replacement reaction. True or False? C3H8 + 5O2 --> 3CO2 + 4H2O
False

### 500

In PV=nRT, Wat are the units of R?
L* atm/mol *K