chemistry

posted by .

if CaC2 + 2H2o -> C2H2 + Ca(OH) then how many grams of H2o are needed to react with 483 grams of calcium carbide?

  • chemistry -

    mols CaC2 = grams/molar mass
    Convert mols CaC2 to mols H2O using the coefficients.
    Now convert mols H2O to grams. g = mols x molar mass.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chem

    when water is added to solid calcium carbide, CaC2, acetylene gas,C2H2,and calcium hydroxide,Ca(OH)2, are produced. how many moles of calcium carbide are needed to completeley react with 5.00 * 10^22 water molecules?
  2. 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 with …
  3. Chemistry

    Determine the mass of calcium hydroxide produced when calcium carbide (CaC2) reacts with 0.64 grams of water according to the following balanced chemical equation: CaC2 + 2H2O -> Ni(OH)2 + NaNO3
  4. chemistry

    CaC2 + 2H2O = C2H2 + Ca(OH)2 If 40.0g of calcium carbide (CaC2) reacts with 25.0g of water, how many liters of acetylene (C2H2) can be produced, assuming the reaction goes to completion at 60F and 763 mmHg
  5. chemistry

    Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) gas and calcium hydroxide (Ca(OH)2). If the ΔH for: CaC2(s) + 2H2O(l) = Ca(OH)2(s) + C2H2(g) is -127 kJ, then what is the enthalpy of formation for calcium carbide?
  6. chemistry

    If 6.20 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced?
  7. Chemistry

    Underground miners formerly used headlamps in which calcium carbide (CaC2) was reacted with water to form acetylene (C2H2) gas as shown in the following reaction: CaC2(s) + H2O (l) ---> C2H2 (g) +Ca(OH2)(s) The acetylene produced …
  8. Chemistry

    What is the minimum percentage of gas (C2H2) formed when 2.66g of calcium carbide (CaC2) reacts completely with 50g water?
  9. Chemistry

    How many grams of H2O are required to react with excess CaC2 to produce 23.0 g of C2H2 according to the following equation?
  10. chemistry

    Calcium carbide (CaC2) reacts with water to produce acetylene as follows. The complete reaction of 25.2g CaC2 produces ____ grams of calcium hydroxide. CaC2(s) + 2H¬2O(g) → Ca(OH¬)2(s) + C2H2

More Similar Questions