1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2...

Question

Question

1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2 + C2H2

a. How many moles of C2H2 will be created if 4.05 g of CaC2 are allowed to react (with excess water)?

b. How many molecules of water were used in part A (i.e. how many water molecules reacted with the 4.05 g of CaC2)?

c. What mass of CaC2 would you need if you wanted to produce 500.3 g of C2H2?

2. A chemist created a 250 mL solution of salt water by mixing 2.5 g of NaCl with water. What is the molarity of this solution?

Answer 1

Similar Homework Help Questions

In the Following reaction when 13g C2H2 are made, how many grams of H2O reacts? CaC2+H2O--->Ca(OH)2+C2H2...

In the Following reaction when 13g C2H2 are made, how many grams of H2O reacts? CaC2+H2O--->Ca(OH)2+C2H2 OC QUESTION 2 When 56.4 g of NH3 reacts with 171 O, to give NO, and H,0, how many grams of H2O can be made? 59.7 33.6 895 QUESTION 3 How many moles of NaOH are needed to neutralize 15.0 mL of 0.235 M HCl solution? 210mlee Click Save and Submit to save and subunit. Click Save All Answers to save all answers. acer
1. Acetylene (C2H2) can be manufactured by the reaction of water and calcium carbide, CaC2. CaC2...

1. Acetylene (C2H2) can be manufactured by the reaction of water and calcium carbide, CaC2. CaC2 (s) + 2 H2O (l) ----> C2H2 (g) + Ca(OH)2 (aq) When 44.5 g of calcium carbide is reacted with 100.0 g of water, how much acetylene is produced? 2. If 15.8 g of acetylene is produced, what is the percent yield?
8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following...

8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and the standard enthalpy changes listed, calculate the AHOc for CaC2(s). (2 points) CaC2(s) +2H20(1) -> Ca(OH)2(s) C2H2(g) AH.2 kJ AH kJ/mol) H2O(g) -241.82 H20(1) -285.83 Ca(OH)2(s)--986.2 C2H2(g) +226.77

Acetylene is prepared from the following reaction CaC2+ 2H2O → CHCH + Ca(OH)2 Density of acetylene...

Acetylene is prepared from the following reaction CaC2+ 2H2O → CHCH + Ca(OH)2 Density of acetylene = 1.1709 g/L 21. You reacted 10.0 grams of calcium carbide with excess water to form acetylene. Assuming a 67% yield, how many mL of acetylene could be collected at 25°C, latm?
Consider the following data: DeltaH (kj) Ca(s) + 2C(graphite)----> CaC2 (s) -62.8 Ca(s) + 1/2 O2...

Consider the following data: DeltaH (kj) Ca(s) + 2C(graphite)----> CaC2 (s) -62.8 Ca(s) + 1/2 O2 (g) -----> CaO (s) -635.5 CaO (s) + H2O(l) ----->Ca(OH)2 (aq) -653.1 C2H2(g)+ 5/2 O2(g)---->2CO2(g)+H2O(l) -1300 C(graphite)+ O2(g)---->CO2(g) -393.51 Use Hess' law to find the change in enthalpy at 25oC for this equation: CaC2(s)+2H2O(l)-----> Ca(OH)2 (aq)+ C2H2(g)
In reaction between 100.0 g calcium carbide, CaC2 and water (excess), calcium hydroxide, Ca (OH) 2,...

In reaction between 100.0 g calcium carbide, CaC2 and water (excess), calcium hydroxide, Ca (OH) 2, and ethylene gas C2H2 (also called acetylene) are formed. 1) Write down the balanced reaction equation includes states of matter. 2) What is the mass of the ethin produced at the end of the reaction? 3) The reaction gas is delivered in a balloon at 20 ° C and a pressure of 2.00 atm. What is a balloon volume? View calculations 4) What is...

1. (9 points) Balance the following reactions: H3PO4(1) + HCIE) C4H3 + O2 CO2 + H2O...

1. (9 points) Balance the following reactions: H3PO4(1) + HCIE) C4H3 + O2 CO2 + H2O PC15(s) + H2O LizNs) LiOH) + NH3(g) C3H12 + O2 CO2 + H2O 2. (12 points) Write and balance the equation based upon the following information. + H2O(1) Include the states of matter: a. Solid aluminum sulfate, carbon dioxide gas and liquid water are produced by the reaction of an aqueous solution of sulfuric acid and solid aluminum carbonate. b. The reaction of fluorine...
2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq)...

2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq) OH 653.1 kJ 2CO2(g)H2O(l OH1300 C2H2(g)5/202(g) kJ C(graphite) O2(g)CO2(g) H= -393.5 kJ calculateH for the reaction (show your work for full credit) CaC2(s)+ 2H20()- Ca(OH)2(aq) CH2(g)
2) Balance C4H10 + O2 → CO2 + H2O & solve: a) If 7.54 mol of...

2) Balance C4H10 + O2 → CO2 + H2O & solve: a) If 7.54 mol of CO2 are produced, how many moles of O2 reacted? b)If 9.75 kg of H2O are produced, how many moles of C4H10 reacted? c) If 3.4500 moles of O2 react, how many grams of CO2 are produced? d)If 520.30 grams of C4H10 react, how many mg of H2O are produced? e) If 4.28 mol H2O are produced, how many molecules of O2 reacted?

LAB VIL PRACTICE PROBLEMS NAME: SECTION: PART D. CHAPTER 4 PROBLEMS 1) Reaction Stoichiometry, Limiting Reactant,...

LAB VIL PRACTICE PROBLEMS NAME: SECTION: PART D. CHAPTER 4 PROBLEMS 1) Reaction Stoichiometry, Limiting Reactant, Theoretical and Percent Yields For the equation Cu + C > Cu + CO, if 2.73 moles of Care reacted with an excess of Cuzo, how many moles of CO would be produced? moles b) For the equation Co(NO) + (NH),S COS; + NH.NO, if 79.2 of CNO are reacted with an excess of (NH),S, how many moles of NH.NO, would be produced moles...