Amee

Most popular questions and responses by Amee
  1. chemistry

    A saline solution contains 1.1% NaCl by mass. How much NaCl is present in 87.2 g of this solution?

    asked on March 11, 2013
  2. Chemistry

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

    asked on March 4, 2013
  3. Chemistry

    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

    asked on March 11, 2013
  4. Chemistry

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

    asked on March 11, 2013
  5. Chemistry

    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?

    asked on March 2, 2013
  6. Chemistry

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

    asked on March 4, 2013
  7. Chemistry

    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?

    asked on March 11, 2013
  8. Math

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

    asked on February 11, 2017
  9. Chemistry

    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?

    asked on March 4, 2013
  10. Intro Chem

    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?

    asked on March 2, 2013
  11. Chemistry

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

    asked on March 4, 2013
  1. Chemistry

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

    posted on March 11, 2013
  2. Chemistry

    Could you give an example with a written equation?

    posted on March 11, 2013