Calcium oxide (quicklime) reacts with water to produce calcium hydroxide (slaked lime).
CaO(s) + H2O(l) Ca(OH)2(s) ÄH = -65.2 kJ

The heat released by this reaction is sufficient to ignite paper. How much heat is released when 29.0 g of calcium oxide reacts?

  1. 👍 0
  2. 👎 0
  3. 👁 309
asked by Glenna
  1. Four questions in the same subject tips us off that you're dumping your homework on us.

    You may not get any answers, unless you post your thinking and possible answers to these questions.

  2. -261.15

    1. 👍 0
    2. 👎 0
    posted by Alex

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + H2O(l) ¨ Ca(OH)2(s) In a particular experiment, a 2.00-g sample of CaO is reacted with excess water and 2.14 g of Ca(OH)2 is

    asked by Jess on October 26, 2011
  2. chemistry

    Calculate the standard entropy change for the reaction of calcium oxide with water to form calcium hydroxide: CaO(s) + H2O(ℓ) → Ca(OH)2(s) at 298 K. ∆S ◦ m ∆H◦ f J K·mol? kJ mol? CaO(s) 39.75 −635.09 H2O(ℓ) 69.91

    asked by Anonymous on April 19, 2016
  3. chem

    When solid calcium is placed in water, it undergoes a vigorous reaction that produces solid calcium oxide, CaO(s) and hydrogen gas. determine the volume of dry hydrogen gas that is produced when 5.00 g of calcium reacts and the

    asked by julie on January 12, 2015
  4. chemistry

    If calcium oxide is added to sea water a number of changes occur. first calcium oxide reacts with water to form calcium hydroxide. What is the equations

    asked by mom on March 8, 2009
  5. Chemistry

    Calcium carbide, CaC2, can be produced in an electric furnace by strongly heating calcium oxide (lime) with carbon. The unbalanced equation is CaO(s) + C(s) ¨ CaC2(s) + CO(g) Calcium carbide is useful because it reacts readily

    asked by Mariana on February 5, 2011
  6. chemistry

    how much calcium oxide is recovered when 250 g calcium hydroxide are heated given the following reaction? Ca(OH)2 arrow CaO + H2O

    asked by cam on April 11, 2011
  7. Chemistry

    In the following reaction, 28 grams of Calcium Oxide CaO reacts with Carbon Dioxide CO2 to produce Calcium Carbonate CaCO3. How much Calcium Carbonate is produced? CaO+CO2 ---> CaCO3

    asked by Eve on June 19, 2014
  8. science

    what happens when you mix calcium with oxygan Generally, one could expect Calcium Oxide (CaO) to form. In the presence of water, Calcium hydroxide will form.

    asked by oli on July 15, 2005
  9. Chem Help!

    I really need help for my homework on how to write the balanced equation for the following reactions. 1) Sodium reacts with iron(lll)oxide to produce sodium oxide and iron. Type of reaction: Balanced Equation: 2) Hydrogen bromide

    asked by Lisa on April 8, 2008
  10. Chemistry

    Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: A 2.00-g sample of is reacted with 1.93 g of . How many grams of water remain after the reaction is complete? 0.0714 1.29 0.00 1.04 0.00396

    asked by Martese on February 13, 2012

More Similar Questions