What is the theory that is in condition of:
-the molecules in a gas occupy no volume
-collision between molecules are elastic collisions.
-and there is no attraction or repulsion between molecules.
What is Kinetic Molecular Theory
100
What is the unit of molality?
What is mol/kg?
100
How does solubility change when the temperature of liquid increases?
What is the solubility of liquid increases?
100
What are calories?
What is the amount of heat required to raise the temperature of one grain of water one degree Celsius?
100
What are limiting reagents?
What is a reactant in a chemical reaction that gets completely used up and prevents any further reaction from occurring?
200
What law shows that the total pressure of all molecules is equal to the sum of all the partial pressures of the molecules?
What is Dalton's Law?
200
What is molality?
What is a concentration unit, defined to be the number of moles of solute divided by the number of kilograms of solvent.
200
What is solubility?
What is a measurement of the maximum amount that dissolves in a given amount of solvent at a specified temperature?
200
What is 1 Calorie equal to in joules?
What is 4.184 Joules?
200
What is a way to find the limiting reagent?
What is to compare the mole ratios of the amounts of reactants used?
300
What are the units of pressure?
What are: atm, pascal (pa), and mmHg
300
What is the unit of molarity?
What is mol/liter (M)?
300
How does solubility change when the temperature of a gas increases?
What is the solubility of gas decreases.
300
What are three units of temperature and what are the relationships between them?
What are: Celsius, Kelvin, and Fahrenheit.
K = 273 + C.
F = (5/9)C+32
300
What is percent yield?
What is the error between amount of actual yield and the amount of theoretical yield. Actual yield / Theoretical yield ?
400
What is the condition of STP (Standard Temperature and Pressure)?
What is 1 atm(=760mmHg) and 0 degrees C (=273 K)
400
What is molarity?
What is a concentration unit defined to be the number of moles of solute divided by the number of liters of solution
400
What are three elements that are usually soluble?
What are: SO4 2- , Cl4 -, NO3 -, NH4 +, Cl -, Br -, I -
400
What is temperature?
What is the measurement of the kinetic energy of molecules moving around in a substance?
400
What are the limiting reagents when: 1. Ms. C. wants to bake the class cookies. In order to make one batch of cookies, she needs 3 eggs, 2 sticks of butter and one cup of water. Ms. C. has 9 eggs, 5 sticks of butter and 3 cups of water.
What is butter?
500
1.09 g of H2 is contained in a 2.00 L container at 20.0 °C. What is the pressure in this container in mmHg?
What is P = nRT / V, 6.49atm = 4932 mmHg
500
What is concentration?
What is the amount of a substance per defined space?
500
Provide examples of two atoms or molecules that are usually insoluble.
What are: CO3 2-, PO4 3-, S 2-, Ag +
500
What is absolute zero?
What is -273 Celsius or 0 Kelvin?
500
In the reaction 2NH3 -> 3H2+N2, if 12g of ammonia produced 1.87g of hydrogen, what is the percent yield of the reaction? (theoretical amount = 2.1338g)