General Chemistry Answers

Sulfur dioxide burns in oxygen to form sulfur trioxide according to the equation:

SO₂ (g) + O₂--------------------------SO₃, (g)

1. If three moles of SO₃, are produced, How many moles of SO₂ and O₂ are required?

2. What volume of oxygen is needed to react with 80 L of SO₂ at STP?

Ammonia, NH₃, gas is manufactured by the Haber process where hydrogen gas is directly combined with nitrogen gas.

N₂ (g) + H₂(g)--------------NH₃(g)

1. How many liters of nitrogen are needed to produce 45 L of ammonia at STP?

Photosynthesis in plants may be represented by the chemical equation: CO₂ + H₂O------C₆H₁₂O₆ + O₂

1. Balance the given equation

2. How many grams of CO₂ are needed to produce 50 g glucose, C₆H₁₂O₆?

3. How many grams of oxygen gas are produced from 100 g CO₂?

b. The preparation of wood alcohol (methyl alcohol), CH₃OH, is shown by the equation: CO + H₂ ------- CH₃OH.

1. What mass of methyl alcohol is produced from 240 g CO?

2. What mass of hydrogen is needed to react with this given mass of CO?

How many grams of oxygen are produced from the electrolysis of 850g of water?

Gases are mixed in a 2.0 L container at 300 K and the mass of each gases are as follows, 56g of H2 and 96g of N2. Calculate the partial pressure of each gas and the total pressure.

1. Write a conversion factor to show the relationship between the number of ice cubes and the number of smoothies produced.

What is the molar hydronium ion concentration in solutions with each of the following pH values?

a. 2.05 b. 4.88 c. 6.75 d. 11.33 e. 14.00

Encircle me..

In this equation, identify and encircle the following parts indicated in the first column. You may use another sheet of paper or you may answer directly on this page . That is why the font is big so that it would be easier for you to encircle.

2NH4NO3(s)-> 2N2(g) + 4H2O(g)+O2(g)

Direction of the reaction

2NH4NO3(s)-> 2N2(g) + 4H2O(g)+O2(g)

Product

2NH4NO3(s)-> 2N2(g) + 4H2O(g)+O2(g)

Reactant/s

2NH4NO3(s)-> 2N2(g) + 4H2O(g)+O2(g)

Subscripts

2NH4NO3(s)-> 2N2(g) + 4H2O(g)+O2(g)

Coefficients

2NH4NO3(s)-> 2N2(g) + 4H2O(g)+O2(g)

Compute for the ∆S° of reaction 4AJ(s)+30²(g)->2AJ²(O(s)