CHEM 101

Calculate ΔHrxn for the following reaction:

CaO(s)+CO2(g)→CaCO3(s)

Use the following reactions and given ΔH values:

Ca(s)+CO2(g)+12O2(g)→CaCO3(s),
ΔH= -812.8 kJ

2Ca(s)+O2(g)→2CaO(s), ΔH= -1269.8 kJ

  1. 👍 0
  2. 👎 0
  3. 👁 138
asked by Katie
  1. See your other post above.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and given ΔH′s. Ca(s)+CO2(g)+12O2(g)→CaCO3(s), ΔH= -812.8 kJ 2Ca(s)+O2(g)→2CaO(s), ΔH= -1269.8 kJ

    asked by Hema on October 9, 2016
  2. CHEM 101 (edited)

    Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and given ΔH values: Ca(s)+CO2(g)+1/2O2(g)→CaCO3(s), ΔH= -812.8 kJ 2Ca(s)+O2(g)→2CaO(s), ΔH= -1269.8 kJ I have literally

    asked by Katie on March 10, 2017
  3. chemistry 101

    Consider the following reaction. CaO (s) + CO2 (g) = CaCO3 (s) A chemist allows 14.4 g of CaO and 13.8 g of CO2 to react. When the reaction is finished, the chemist collects 19.4 g of CaCO3. Determine the limiting reactant,

    asked by ABCD on July 8, 2011
  4. chemistry

    Calculate the temperature (K) at which the equation as written is at equilibrium. Express your answer to three significant figures. CaO(s) + CO2(g) → CaCO3(s) ∆G°f (kJ/mol) CaO(s)-604.0 CO2(g)-394.4 CaCO3(s)-1128.8 ∆H°f

    asked by Penny on March 11, 2013
  5. Chemistry(Please check)

    The equilibrium constant, Kc for the system, CaO(s) + CO2(g) == CaCO3(s), is A. Kc = (CaO) (CO2) / (CaCO3) B. Kc = (CO2) C. Kc = (CaCO3)/(CaO) D. Kc = (CaCO3) / (CaO) (CO2) E. Kc = 1 / (CO2) My answer is (CaCo3) / (CaO)(CO2).

    asked by Hannah on March 3, 2012
  6. Chemistry

    1. The value of ΔH° for the reaction below is -6535 kJ. _________ kJ of heat are released in the combustion of 16.0 g C6H6 (l). 2C6H6 (l) + 15O2 (g) --> 12CO2 (g) + 6H20 (l) 3. Given the following reactions CaCO3 (s) --> CaO (s)

    asked by Jess on October 31, 2017
  7. Chemistry(Please help)

    For the system CaO(s) + CO2(g) = CaCO3(s), I added 1.00 mol of CaO(s) to 1.00L of 0.500M CO2(g) at 200 oC. At equilibrium the [CO2] = 0.150M. What is the value of Kp for this reaction? Kp would = CaCO3/(CaO)(CO2) I do not know

    asked by Hannah on March 14, 2012
  8. chem, predicting direction of change in entropy

    Predict the direction of the entropy in each reaction. a. CaCO3(s)-> CaO(s) +CO2(g0 b. NH3(g)+HCl(g)->NH4Cl(s) c. 2NaHCO3-> Na2CO3(s)+H20(g) +CO2 d. CaO(s)+CO2(g)-> CaCO3

    asked by bkue on May 17, 2012
  9. Chemistry(Please respond, thank you!)

    For the system CaO(s) + CO2(g) = CaCO3(s), I added 1.00 mol of CaO(s) to 1.00L of 0.500M CO2(g) at 200 oC. At equilibrium the [CO2] = 0.150M. What is the value of Kp for this reaction? Kp would = CaCO3/(CaO)(CO2) I do not know

    asked by Hannah on March 15, 2012
  10. Science

    Consider the following reaction: CaCO3 - CaO + CO2 Calcium carbonate (CaCO3) was heated to yield CaO and CO2. If 60.0g of CaCo3 was heated and the yield for CaO was 44.6%, calculate the mass of CaO created.

    asked by Nasa on November 12, 2015

More Similar Questions