Based on what you learned, what do you think would happen if you placed a sealed container of gas into a fire? Why?

1. As the pressure increases at constant temperature, what happens to the volume of the gas? This relationship is called: ______________
2. As the temperature increases at constant pressure, what happens to the volume of the gas?
This relationship is called: ______________
3. Based on what you learned:
a) What would happen to a balloon placed in the freezer? Why?
b) What would happen to a balloon placed in a warm oven?(Assume it doesn’t pop.) Why?
4. Based on what you learned, what do you think would happen if you placed a sealed container of gas into a fire? Why?
1. Balance the following chemical equations.
1. _____ Na + _____ Cl2  _____ NaCl
2. _____ Na + _____ H2O  _____ NaOH + _____ H2
3. _____Mg +_____O2 _____MgO
4. _____KClO3  ___KCl +_____O2
5. _____Al +_____CuO _____Al2O3 +_____Cu
6. _____ I2 + _____ Na2S2O3 _____ NaI + _____ Na2S4O6
7. _____Mg +_____P4 _____Mg3P2
2. Balance each of the chemical equations below. In the space to the right, classify the reaction as a synthesis, decomposition, single replacement, combustion or double replacement reaction.
1. ___ AgNO3 + ___ KCl __ AgCl + ___ KNO3 ________________
2. ___ H2O + ___ SO3  ___ H2SO4 ________________
3. ___ KI + ___ Cl2 ____KCl + ___ I2 ________________
4. ___ NaHCO3 ___ Na2CO3 + ___ H2O + ___ CO2 ________________
5. ___ Zn + ___ HCl___ ZnCl2 + ___ H2 ________________
6. ___ BaCl2 + ___ Na2SO4  ___ BaSO4 + ___ NaCl ________________
7. ___ C3H8 + ___ O2 ___  CO2 + ___ H2O ________________
8. ___ Al + ___ CuCl2  ___ AlCl3 + ___ Cu
For the following chemical reaction:
Fe2O3(s) + 3CO(g)  2Fe(s) + 3CO2(g)

A. What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced? [Note: In the Gizmo, it is assumed that all gases are at standard temperature and pressure, or STP.]
B. What mass of iron (Fe) can be obtained from 3.80 g iron (III) oxide (Fe2O3) reacting with excess carbon monoxide (CO)?
C. How many moles of iron (Fe) will be produced from 6.20 moles of carbon monoxide (CO) reacting with excess iron (III) oxide (Fe2O3)?
D. How many molecules of carbon monoxide (CO) are needed to react with excess iron (III) oxide (Fe2O3) to produce 11.6 g of iron (Fe)?
1. As the pressure increases at a constant temperature, what happens to the volume of the gas?
This relationship is called: ______________
2. As the temperature increases at constant pressure, what happens to the volume of the gas?
This relationship is called: ______________
3. Based on what you learned:
a) What would happen to a balloon placed in the freezer? Why?
b) What would happen to a balloon placed in a warm oven?(Assume it doesn’t pop.) Why?
4. Based on what you learned, what do you think would happen if you placed a sealed container of gas into a fire? Why?
1. Paper must be heated to 234 °C to begin reacting with oxygen. This can be done by putting the paper over a flame. Why do you think the paper must be heated to start burning?
2. How will increasing the reactant concentration affect the rate of the reaction? Why?
3. Explain: Why does the reaction proceed more quickly when the surface area is increased?
4. Hydrochloric acid reacts with the mineral calcite to produce carbon dioxide gas, water, and calcium chloride. Based on what you have learned in activity A and activity B, what are three things you could do to make the reaction occur more quickly?
5. What is the usefulness of catalysts?
6. Most of the chemical reactions inside your body rely on protein catalysts called enzymes to take place. For example, the enzyme pepsin helps to break down protein molecules in your stomach. What might happen if your stomach stopped producing pepsin?