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Chemical Reactions Stoichiometry and Moles States of Matter Gas Laws and Solutions Acids and Bases
100
Synthesis
What type of reaction is 2K + Cl2--> 2KCl?
100
89.6 liters
How many liters are in 4.0 moles of O2 gas at STP?
100
Hydrogen bonding
What is the strongest intermolecular force?
100
increase
Would the pressure increase or decrease inside the tire when the car was being driven?
100
nitrous acid
What is the name of HNO2?
200
carbon dioxide and water
What are the products of a combustion reaction?
200
.31 moles
How many moles are in 25.0 g of NH4NO3?
200
Oxygen, nitrogen or fluorine
Hydrogen bonding occurs in molecules which have a hydrogen bonded to which elements?
200
decreases
As temperature goes up, what happens to the solubility of gases in liquids?
200
H2SO4
Write the formula for sulfuric acid.
300
Ca(CO3) + KCl
What are the products of CaCl2 + K2CO3?
300
CH4, CHCl3 and HCl
In the reaction: 2CH4 + 3Cl2 --> 2CHCl3 + 6HCl if Cl2 is the limiting reactant, what is left over once it has run out?
300
1 J/g C
What is the specific heat of a substance if it takes 300 J of heat to raise the temperature of a 10 g sample from 15 degrees C to 45 degrees C?
300
polar
Gatorade is soluble in water because gatorade is?
300
7.60
What is the pH if the [H+]'=2.54 x 10^ -8?
400
I2, Br2, Cl2, F2, O2, N2, H2
What are the diatomic elements?
400
292.20 grams NaCl
In the reaction: 2Na + Cl2 --> 2NaCl If you have 5 moles of Na, how many grams of NaCl could be produced?
400
16187.50 J
How much heat is needed to heat 25 g of ice at 0 degrees celcius to water at 75 degrees C? (Specific Heat of water 4.18 J/g C) (Specific Heat of Steam 2.02 J/g C) (Hv= 2260 J/g) (Hf= 334 J/g)
400
428.27 mL
The volume of a gas is 400 mL when the temperature is 10 degrees C. What is the new volume if the temperature changes to 30 degrees C?
400
1 x 10^-12
What is the [H+], if the pH is 12?
500
H2 + Cl2
What are the products of the decomposition reaction of HCl -->?
500
91.53 %
In an experiment done in the lab, you got 9.84 g of Cu. You calculated that you should have gotten 10.75 g of Cu. What is the percent yield?
500
-13491 J
How much heat is removed from 5 g of steam at 110 degrees C when it is cooled to water at 0 degrees C?
(Specific Heat of water 4.18 J/g C) (Specific Heat of Steam 2.02 J/g C) (Hv= 2260 J/g) (Hf= 334 J/g)
500
15.38%
What is the mass percent of a solution that is made up of 20g of sugar and 110g of water?
500
.8 M
What is the molarity of a KOH solution if 500 mL is completely neutralized by 100 mL of 2 M H2SO4.




Chemistry Spring Final Exam Review

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