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A block of aluminum with a volume of absorbs 67.4 J of heat. If its initial temperature was 32.5 °C, what is its final temperature?

Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if the can were heated to 1155 °C?

Caslcualte the formula massfor each of the following compunds CS2 C6H12O6 Fe(nO3)3 C7H16

A beaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular equation and a net ionic equation for his reaction

Suppose a can of aerosol contains a residual amount of gas at pressure of 755mm Hg and a temperature of 25C. What would the presure be if the can were to be heated to 1155c?

Calculate the mass percent composition of carbon in each the following carbon compounds. C2H2 C3H6 C2H6 C2H6O

A 5.00-mL sample of an H3 PO4 solution of unknown concentration is titrated with a 0.1003 M NaOH solution. A volume of 6.55 mL of the NaOH solution was required to reach the endpoint. What is the concentration of the unknown H3 PO4 solution?

An equilibrium mixture of the following reaction was found to have [SO3] = 0.391 M and [O2] = 0.125 M at 600 °C. What is the concentration of SO2? 2 SO2 (g) + O2 (g) ====== 2 SO3 (g) Keq = 4.34 at 600 °C

What is the oxidation state of Cr in each of the following compounds? (a) CrO (b) CrO3 (c) Cr2 O3

Put these fractions in order smallest to largest 7/10 11/20 4/5

Could you give an example with a written equation?

I am really having a hard time. I am taking an online class and math is not my strong. Do I divide or multiply?