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WorksheetsHeat Capacity
Total questions: 13
Worksheet time: 15mins
Name
Class
Date
1.
How do you solve for "y" in this equation?
3y = 15
3y = 15
a)
Divide 15 by y
b)
Divide 3 by 15
c)
Divide 15 by 3
d)
Divide y by 15
2.
45y + 5 = 50.
Solve for y
Solve for y
a)
y = 0
b)
y = 5
c)
y = 1
d)
there is no answer
3.
45y + 5 = -50
solve for y.
solve for y.
a)
y = 1
b)
y = 1.2222222
c)
y = -1.222222
d)
y = -1
4.
What does "ΔT" stand for?
a)
A change in time
b)
A change in temperature in degrees C
c)
A change in mass
d)
A change in temperature in degrees F
5.
What does "ΔH" stand for?
a)
A change in heat
b)
A change in hydrogen
c)
A change in how much Helium the Sun releases
d)
A change in heat during an endothermic reaction
6.
What type of chemical reaction is this equation. AND BALANCE IT
__Na(s) + Cl2(g) -----> ___NaCl(s)
__Na(s) + Cl2(g) -----> ___NaCl(s)
a)
Decomposition
1Na(s) + Cl2(g) -----> 3NaCl(s)
1Na(s) + Cl2(g) -----> 3NaCl(s)
b)
Single Replacement
2Na(s) + Cl2(g) -----> 2NaCl(s)
2Na(s) + Cl2(g) -----> 2NaCl(s)
c)
Synthesis
2Na(s) + Cl2(g) -----> 2NaCl(s)
2Na(s) + Cl2(g) -----> 2NaCl(s)
d)
Combustion
2Na(s) + Cl2(g) -----> 2NaCl(s)
2Na(s) + Cl2(g) -----> 2NaCl(s)
7.
What type of chemical reaction is this equation. AND BALANCE IT
__HgO(s) -----> ___Hg(s) + O2(g)
__HgO(s) -----> ___Hg(s) + O2(g)
a)
Decomposition
2HgO(s) -----> 1Hg(s) + O2(g)
2HgO(s) -----> 1Hg(s) + O2(g)
b)
Decomposition
2HgO(s) -----> 2Hg(s) + O2(g)
2HgO(s) -----> 2Hg(s) + O2(g)
c)
Single Replacement
1HgO(s) -----> 1Hg(s) + O2(g)
1HgO(s) -----> 1Hg(s) + O2(g)
d)
Synthesis
2HgO(s) -----> 2Hg(s) + O2(g)
2HgO(s) -----> 2Hg(s) + O2(g)
8.
What type of chemical reaction is this equation. AND BALANCE IT
C3H8 + __O2 -----> __CO2 + __H2O
C3H8 + __O2 -----> __CO2 + __H2O
a)
Combustion
C3H8 + 5O2 -----> 3CO2 + 4H2O
C3H8 + 5O2 -----> 3CO2 + 4H2O
b)
Single Replacement
C3H8 + 5O2 -----> 3CO2 + 4H2O
C3H8 + 5O2 -----> 3CO2 + 4H2O
c)
Combustion
C3H8 + 3O2 -----> 1CO2 + 2H2O
C3H8 + 3O2 -----> 1CO2 + 2H2O
d)
Combustion
C3H8 + 4O2 -----> 2CO2 + 4H2O
C3H8 + 4O2 -----> 2CO2 + 4H2O
9.
What is specific heat capacity (Cp)?
a)
The amount of energy it takes for a substance to start a combustion reaction
b)
The amount of heat it takes to raise the temperature of an amount of something by a certain temperature
c)
The specific way to heat something in capacity
d)
The amount of heat it takes to raise the temperature by at least one degree C or K
10.
What is specific heat capacity (Cp)?
a)
The amount of energy it takes for a substance to start a combustion reaction
b)
The amount of heat it takes to raise the temperature of an amount of something by a certain temperature
c)
The specific way to heat something in capacity
d)
The amount of heat it takes to raise the temperature by at least one degree
11.
What Law supports the concept of Climate Change/Global Warming on planet Earth?
a)
The Law of Conservation of Matter/Mass
b)
The Law of Gravity
c)
The Law of Partial Equilibrium
d)
The Law of Thermodynamics
12.
Why does the Law of Conservation of Matter/Mass/Energy support climate change research?
a)
The energy we use is released into the atmosphere, creating loop of continual absorption and releasing of heat
b)
The energy we use is destroyed after we use Snapchat
c)
The energy we use is created every time we use electricity
d)
The energy we use cycles throughout our world, always balanced
13.
Why do we study Specific Heat Capacity and Thermodynamics in Chemistry?
a)
Because Hagerman is awesome
b)
Because heat is a form of energy that continually moves throughout our world
c)
Because the heat is created and destroyed constantly
d)
Because heat energy is released and absorbed by nature
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