logo-home
logo
  2. Goldsmiths, University Of London
  3. Chemistry
  4. Chemistry problems

Chemistry problems

Goldsmiths, University of London (GUL)

Here are the best resources to pass Chemistry problems. Find Chemistry problems study guides, notes, assignments, and much more.

All 7 results

Sort by

a) Calculate the total masses of the reactants in equation 4NH3(g) 5O2(g) → 4NO(g) 6H2O(g) Express your answer using

  • a) Calculate the total masses of the reactants in equation 4NH3(g) 5O2(g) → 4NO(g) 6H2O(g) Express your answer using

  • Answers • 3 pages • 2015
  • a) Calculate the total masses of the reactants in equation 4NH3(g) 5O2(g) → 4NO(g) 6H2O(g) Express your answer using four significant figures. b) Calculate the total masses of the products in equation above. Express your answer using four significant figures.
    (0)
  • $7.06
  • 1x sold
  • + learn more
Question 1: a) Calculate the total masses of the reactants in equation 2SO2(g) O2(g) → 2SO3(g) Express your answer using five

  • Question 1: a) Calculate the total masses of the reactants in equation 2SO2(g) O2(g) → 2SO3(g) Express your answer using five

  • Answers • 3 pages • 2015
  • Question 1: a) Calculate the total masses of the reactants in equation 2SO2(g) O2(g) → 2SO3(g) Express your answer using five significant figures. b) Calculate the total masses of the products in equation above. Express your answer using four significant figures. Question 2: a) Calculate the total masses of the reactants in equation 4P(s) 5O2(g) → 2P2O5(s) Express your answer using four significant figures. b) Calculate the total masses of the ...
    (0)
  • $7.06
  • 3x sold
  • + learn more
1) Provide the polymer that would be produced from each of the following polymerizations by drawing the appropriate repeating unit for each structure.

  • 1) Provide the polymer that would be produced from each of the following polymerizations by drawing the appropriate repeating unit for each structure.

  • Answers • 4 pages • 2015
  • 1) Provide the polymer that would be produced from each of the following polymerizations by drawing the appropriate repeating unit for each structure. 2) Each molecule of polyvinylchloride (PVC) has an average molecular weight of 1.5 million. What is the approximate number of repeating units present in one molecule of PVC? Show your calculation
    (0)
  • $7.06
  • + learn more
Question 1: A tank of oxygen holds 28.0 L of oxygen (O2) at a pressure of 16.0 atm . When the gas is released, it provides 310. L of oxygen. What is t

  • Question 1: A tank of oxygen holds 28.0 L of oxygen (O2) at a pressure of 16.0 atm . When the gas is released, it provides 310. L of oxygen. What is t

  • Answers • 2 pages • 2015
  • Question 1: A tank of oxygen holds 28.0 L of oxygen (O2) at a pressure of 16.0 atm . When the gas is released, it provides 310. L of oxygen. What is the pressure of this same gas at a volume of 310. L and constant temperature? Express your answer with the appropriate units.
    (0)
  • $7.06
  • + learn more
Under certain circumstances, carbon dioxide, CO2(g), can be made to react with hydrogen gas, H2(g), to produce methane, CH4(g), and water vapor, H2O(g

  • Under certain circumstances, carbon dioxide, CO2(g), can be made to react with hydrogen gas, H2(g), to produce methane, CH4(g), and water vapor, H2O(g

  • Answers • 3 pages • 2015
  • Under certain circumstances, carbon dioxide, CO2(g), can be made to react with hydrogen gas, H2(g), to produce methane, CH4(g), and water vapor, H2O(g): CO2(g) 4H2(g) → CH4(g) 2H2O(g) a. How many moles of methane are produced when 59.6 moles of carbon dioxide gas react with excess hydrogen gas? Express your answer with the appropriate units. For example, write the unit moles as mol. b. How many moles of hydrogen gas would be needed to react with excess carbon dio...
    (0)
  • $7.06
  • + learn more
If a mixture of 35.8 g of CH4 and 75.5 g of S reacts, how many grams of H2S are produced? CH4(g) 4S(g) → CS2(g) 2H2S(g)

  • If a mixture of 35.8 g of CH4 and 75.5 g of S reacts, how many grams of H2S are produced? CH4(g) 4S(g) → CS2(g) 2H2S(g)

  • Answers • 2 pages • 2015
  • If a mixture of 35.8 g of CH4 and 75.5 g of S reacts, how many grams of H2S are produced? CH4(g) 4S(g) → CS2(g) 2H2S(g) Express your answer with the appropriate units.
    (0)
  • $7.06
  • + learn more
Question 1: A sample contains 27.1 g of calcium oxide. How many moles of calcium oxide are in the sample? Question 2: How many atoms are in 0.652 m

  • Question 1: A sample contains 27.1 g of calcium oxide. How many moles of calcium oxide are in the sample? Question 2: How many atoms are in 0.652 m

  • Answers • 3 pages • 2015
  • Question 1: A sample contains 27.1 g of calcium oxide. How many moles of calcium oxide are in the sample? Question 2: How many atoms are in 0.652 mol of iron? Question 3: Using the following equation: 2NaOH H2SO4 → 2H2O Na2SO4 How many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide and you have an excess of sulfuric acid?
    (0)
  • $7.06
  • + learn more