# Problem: Calcium carbide (CaC2) reacts with water to produce acetylene (C 2H2) according to the equationCaC2(s)  +  H2O(l) → Ca(OH)(s)  + C2H2(g)A certain mass of CaC2 reacts completely with water to give 64.5 L of C 2H2 at 50.0°C and P = 1.00 atm. If the same mass of CaC2 reacts completely at 400.0°C and P= 2.00 atm, what volume of C2H2 (in L) can be collected at the higher temperature and pressure?a) none of the given answersb) 516c) 0.015d) 67.2e) 258

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###### Problem Details

Calcium carbide (CaC2) reacts with water to produce acetylene (C 2H2) according to the equation

CaC2(s)  +  H2O(l) → Ca(OH)(s)  + C2H2(g)

A certain mass of CaC2 reacts completely with water to give 64.5 L of C 2H2 at 50.0°C and P = 1.00 atm. If the same mass of CaC2 reacts completely at 400.0°C and P= 2.00 atm, what volume of C2H2 (in L) can be collected at the higher temperature and pressure?

a) none of the given answers

b) 516

c) 0.015

d) 67.2

e) 258

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Chemistry Gas Laws: Combined Gas Law concept. You can view video lessons to learn Chemistry Gas Laws: Combined Gas Law. Or if you need more Chemistry Gas Laws: Combined Gas Law practice, you can also practice Chemistry Gas Laws: Combined Gas Law practice problems.

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