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1. When 10g of N2 and 7g H2 are allowed to react. Determine the limiting reactant and excess reactant in this reaction.
N_{2}+H_{2} ->NH_{3}
Given:
Find:
Solution:
TEST 2. PROBLEM SOLVING
Solve the problem below. Show your answers legibly, concisely, and completely. Use the back portion if necessary.
1. Determine the limiting reactant and excess reactant, when 36g of Al and 28.5g of HBr are reacted and how many grams of H_{2} gas are formed?
Al + HBr -> AlB*r_{3} + H_{2}
Given:
Find:
Solution:
Problem: If 68 g of Zn reacts with 27.5 g of HCl. Use the chemical equation to answer the following questions below.
Zn + 2HCl -> ZnC*l_{2} + H_{2}
1. What is the molar mass of Zn?
2. What is the molar mass of HCI?
3. What coefficient is indicated in HCI?
4. Which substance is limiting reactant?
5. Which substance is excess reactant?
6. What is the molar mass of ZnCl_{2} ?
from what alkene reactant might 3-methyl-3-pentanol be made?
How many aluminum atoms are in 4.22 g of aluminum?
If a 15.6 g object requires 836.8 J of heat to raise its temperature by 21.0°C, what is the specific heat of the object?
If a 15.6 g object requires 836.8 J of heat to raise its temperature by 21.0°C, what is the specific heat of the object?
A concentrated solution of aqueous ammonia is 25.0% w/w NH3 and has a
density of 0.999 g/mL.
What is the molar concentration of NH3 in this solution?
Give the IUPAC name for each of the following alkanes and cycloalkanes:
CH3—CH3
The molar solubility of aluminum hydroxide in a 0.179 M aluminum acetate solution is
M.
