chemistry

1. What happened to the hydrogen gas generated in the last reaction? Add hydrogen gas to the cycle.
2. What happened to the aluminum?
3. Why was it important to wash the CuO?
4. What other metals can be easily recycled?


we experiment for recyclying a copper using a copper nitrate, sodium hydroxide and HCL

  1. 👍 0
  2. 👎 0
  3. 👁 71
asked by jhong
  1. If you want help you must provide a clear and concise paragraph about the experiment being conducted.

    1. 👍 0
    2. 👎 0
    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    1. What happened to the hydrogen gas generated in the last reaction? Add hydrogen gas to the cycle. 2. What happened to the aluminum? 3. Why was it important to wash the CuO? 4. What other metals can be easily recycled?

    asked by jhong on March 8, 2012
  2. Chemistry 22

    1. What is the Kelvin temperature of a system in which 4.50 mol of a gas occupy 0.250 L at 4.15 atm? 2. In the lab, students generated and collected hydrogen gas according to the following equations: Zn + H2SO4---> H2 + ZnSO4 a)

    asked by Ivy on November 29, 2010
  3. chemistry

    Hydrogen gas can produced by the reaction between metallic aluminum and aqueous hydrochloric acid 2Al+6HCl----2AlCl3+3H2 Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the

    asked by shadow on November 19, 2013
  4. Chemistry

    Hydrogen gas is used for many purposes, including the hydrogenation of vegetable oils to make margarine. The most common industrial process for producing hydrogen is "steam reforming," in which methane gas, CH4, from natural gas

    asked by Jimmy on November 15, 2016
  5. Chemisty

    Fluorine gas can react with ammonia gas to produce dinitrogen tetrafluoride gas and hydrogen fluoride gas. This reaction is described by the following balanced equation: 5 F2 (g) + 2 NH3 (g) N2F4 (g) + 6 HF (g) What mass of

    asked by Anna on March 8, 2013
  6. chemistry

    Fluorine gas can react with ammonia gas to produce dinitrogen tetrafluoride gas and hydrogen fluoride gas. This reaction is described by the following balanced equation: 5 F2 (g) + 2 NH3 (g) N2F4 (g) + 6 HF (g) What mass of

    asked by chelsie on June 5, 2018
  7. Chemistry 171 Lab

    Suppose we collect hydrogen gas, H2(g), over water at 21◦C in a vessel with total pressure of 743 Torr. If the hydrogen gas is produced by the reaction of aluminum with hydrochloric acid: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) +

    asked by Rae on June 15, 2016
  8. Chemistry

    Hydrogen gas is used for many purposes, including the hydrogenation of vegetable oils to make margarine. The most common industrial process for producing hydrogen is "steam reforming," in which methane gas, CH4, from natural gas

    asked by Jimmy on November 15, 2016
  9. Chemistry

    Hydrogen gas is used for many purposes, including the hydrogenation of vegetable oils to make margarine. The most common industrial process for producing hydrogen is "steam reforming", in which methane gas, CH4, from natural gas

    asked by Lily on November 16, 2016
  10. chemistry

    Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes saturated with water vapor. If 238.4 mL of gas with a total pressure 1.27 atm was collected via water

    asked by A on September 27, 2014

More Similar Questions