🌡️Rate of Reaction
These 3 things are needed for a chemical reaction to occur are...
What is:
Reactants need to
1) collide
2) collide with sufficient energy
3) collide with the correct orientation
The coefficients needed to balance the following reaction are.
___ C2H6 → ___ H2+ ___ C2H2
What is,
1, 2, 1
What units will this problems solution be
72 g O2 | 1 mole O2
----------------------------- =
| 32g O2
What is,
Moles of O2
To convert 15 g NH3 to g H2O what 3 pieces of information do you need to find? (aka what conversions do you need)
What is,
* Molar mass of NH3
* Mole Ratio of NH3 to H2O
* Molar mass of H2O
Suppose you wanted to make grilled cheese sandwiches. If you had 14 slices of bread and 8 slices of cheese, what is the limiting reactant?
What is:
LR = bread
Decreasing the temperature of a reaction will cause the rate of reaction to _____.
What is:
Slow down
The coefficients needed to balance the following reaction are.
____ NO + ____ O2 → ____ NO2
What is,
2, 1, 2
What will the final answer be?
15 g Fe | 1 mole Fe
--------------------------- =
| 56 g Fe
What is,
0.27 mole Fe
This problem is set up incorrect. Why?
15 g Fe | 2 mole Fe | 6.02 x 1023 atoms Fe
---------------------------------------------- =
| 56 g Fe | 1 mole Fe
What is,
1 mole Fe = 56 g Fe
NOT (2 mole Fe = 56 g Fe)
What will be the limiting reactant in a reaction with:
6 moles of H2 & 6 moles of C2H2
2 H2 + 1 C2H2 → 1 C2H6
What is:
6 Moles of H2
How does a high temperature affect the number of collisions?
What is,
the number of collisions will increase
The coefficients needed to balance the following reaction are.
___ Al2O3 → ___ Al+ ___ O2
What is
2, 4, 3
What will the final answer be?
3.5 mole Re | _____ g Re
---------------------------------- =
| _____ mole Re
What is,
651 g Re
What will the final answer be?
15 g V | ____ mole V | ____ Atoms V
------------------------------------------------------ =
| ____ g V | ____ mole V
What is,
1.77 x 1023 Atoms V
What will be the limiting reactant in a reaction with
20 moles of H2 & 5 moles of C2H2
2 H2 + 1 C2H2 → 1 C2H6
What is,
5 Moles of C2H2
How does the rate of reaction of a large block of iron compare to that of iron shavings?
What is,
The large block of iron has less available surface area, and will therefore have a slower rate of reaction compared to the iron shavings.
The coefficients needed to balance the following reaction are.
___ C3H8 + ___ O2 → ___ H2O + ___ CO2
What is
1, 5, 4, 3
What will the final answer be?
3.5 x 1022 molecules F | _____ Moles F
------------------------------------------------------ =
| _____ molecules F
What is,
0.058 Moles F
What will the final answer be?
1 C2H6 → 2 H2+ 1 C2H2
3.1 mole C2H6 | ____ | ____ g H2
------------------------------------------------------ =
| ____ | ____
What is,
12.4 g H2
If the reaction below started with 30 moles of O2 and 20 moles of H2 , determine the moles of H2O produced.
___ H2+ ___ O2 → ___ H2O
What is,
20 Moles of H2O
How can you change the temperature, surface area, and concentration to create a faster rate of reaction?
What is,
High temperature,
High surface area,
High concentration
The coefficients needed to balance the following reaction are.
____ CS2 + ____ O2 → ____ CO2 + ____ SO2
What is,
1, 3, 1, 2
What will the final answer be?
6.7 mole KF | _____ g KF
-------------------------------- =
| _____ mole KF
What is,
389 g KF
What will the final answer be?
1 N2 + 3 H2 → 2 NH3
4 g N2 | ____ | ____ | ____ g NH3
--------------------------------------------- =
| ____ | ____ | ____
What is,
4.86 g NH3
If the reaction below started with 51 grams of NH3 and 112 grams of O2 , determine the amount of NO2 produced.
4 NH3 + 7 O2 → 4 NO2 + 6 H2O
What is,
2 Moles of NO2