chm122

how many kilojouels of heat are produced when 670gof oxygen react with sufficient hydrogen?

  1. 👍 0
  2. 👎 0
  3. 👁 66
asked by franko
  1. 2H2 + O2 ==> 2H2O
    Look up the delta Hf in your text or notes, then
    q = delta Hf x (670/32) = ??

    1. 👍 0
    2. 👎 0
    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    Acetylene gas, c2h2, burns in oxygen to produce carbon dioxide and water. If 61.4 g of co2 are produced when 22.7g c2h2 react with sufficient oxygen, what is the percent yield for the reaction?

    asked by Amanda on October 14, 2011
  2. Chemistry

    Identify the following chemical equations by type. 1. If an electric discharge produces 800 cm3 of ozone (O3), how many cm3 of oxygen (O2) are required? 3O2(g) ---> 2O3(g) 2. When 75.0 dm3 of O2 react with an excess of glucose

    asked by Rikki on September 30, 2014
  3. chemistry

    The equation for the reaction between hydrogen gas and oxygen gas is: 2H2(g) + O2(g) ---> 2H2O(l) i) How much hydrogen will react with 8g of oxygen? ii) how much water will be formed when 6g of hydrogen react? i would appreciate

    asked by paul on October 17, 2010
  4. chemistry

    The equation for the reaction between hydrogen gas and oxygen gas is: 2H2(g) + O2(g) ---> 2H2O(l) i) How much hydrogen will react with 8g of oxygen? ii) how much water will be formed when 6g of hydrogen react? i would appreciate

    asked by paul on October 17, 2010
  5. chemistry

    Propane, C3H8, reacts with oxygen according to the following balance equation. If 44 grams of propane react completely with sufficient oxygen, how many grams of water are produced?

    asked by salende on June 5, 2016
  6. chemistry

    Hydrogen and oxygen react according to the equation: 2H2 + O2 -> 2H2O. According to Avogadro's law, how many liters of hydrogen are required to react with 2.0 L of oxygen at STP? How do you set this equation up and find the

    asked by Jen on March 28, 2010
  7. Chemistry

    Identify the following chemical equations by type. 1. If an electric discharge produces 500 cm3 of ozone (O3), how many cm3 of oxygen (O2) are required? 3O2(g) ---> 2O3(g) 2. When 2.75 dm3 of O2 react with an excess of glucose

    asked by UnName on October 24, 2013
  8. chemistry

    36 colored paper clips (12 each of 3 different colors) 1.Each paper clip represents a single atom. Designate a different color of paper clip to represent atoms of oxygen (O), hydrogen (H), and carbon (C). Makes two molecules each

    asked by kayla on August 1, 2008
  9. chemistry

    Consider the following reaction: 2H2 (g) + O2 (g)  2H2O (l) ΔH = -572 kJ a. How much heat is evolved for the production of 1.00 mol H2O (l)? b. How much heat is evolved when 4.03 g hydrogen is reacted with excess oxygen? c.

    asked by Anonymous on November 9, 2012
  10. chem

    consider the equation for the following questions 2C2H6(g) + 7o2(g) 4 CO2(g) +6H2O(g) How many grams of CO2 are produced when 2.00moles of C2H6 react with sufficient oxygen?

    asked by monica on March 20, 2011

More Similar Questions