FUCK LIFE

Question 0

What is the coefficient of H2SO4 when the following equation is properly balanced with the smallest set of whole numbers?

Answer 0

• 3

Question 1

A 350 mL sample of 0.276M HNO3 is partially neutralized by 125 mL of 0.0120M Ca(OH)2. Find the concentration of nitric acid in the resulting solution. (Assume the total volume of solution after reaction is 475 mL.

Answer 1

• 0.230M

Question 2

Which one of these equations describes a redox reaction?

Answer 2

• 2Al(s) + 3H2SO4(aq) —> Al2(SO4)3(aq) + 3H2(g)

Question 3

When the following redox equation is balanced (in acidic solution) with smallest whole number coefficients, the coefficient for nitrogen dioxide will be_____.

Answer 3

• 10

Question 4

When the following redox equation is balanced (in basic solution) with smallest whole number coefficients, the coefficient for the hydrogen sulfate ion (HSO4-) will be_____.

Answer 4

• 3

Question 5

Select the compound in which sulfur has its highest possible oxidation number.

Answer 5

• Na2SO4

Question 6

Automobile batteries use 3.0 M H2SO4 as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid?

Answer 6

• 1.1 L

Question 7

Vinegar is a solution of acetic acid, (CH3COOH, formula wt. = 60.0) dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

Answer 7

• 3.26%

Question 8

Complete and balance the following redox equation. The sum of the smallest whole number coefficients is:
Bi(OH)3 + SnO2(2-) —> Bi + SnO3(2-)

Answer 8

• 13