Chemistry Lab Final Part 2

Front

What is the formula for calculating heat transfer?

Back

q = specific heat * mass * ΔT

Front

What color does the [CuCl4]–2 ion appear in solution?

Back

Light green

Front

What color does the [CuBr4]–2 ion appear in solution?

Back

Dark brown

Front

What happens to the color of the solution when NaBr is added to the equilibrium involving [CuCl4]–2 and [CuBr4]–2?

Back

The solution turns brown.

Front

What reagent can differentiate between Cu+2 and Bi+3 in a colorless solution?

Back

15 M NH3

Front

What is the result of adding 15 M NH3 to a solution containing Cu+2?

Back

A dark blue solution forms.

Front

What is the result of adding 15 M NH3 to a solution containing Bi+3?

Back

A white precipitate forms.

Front

What is the expected result when HCl is added to a solution containing Cu+2?

Back

The solution remains the same.

Front

What is the expected result when HCl is added to a solution containing Bi+3?

Back

A white precipitate forms.

Front

What is the appearance of a solution containing Cu+2?

Back

Colorless.