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a. in the reaction: 2 C2H6 (g) + 7 O2 (g) -----> 4 CO2 (g) +...

a. in the reaction: 2 C2H6 (g) + 7 O2 (g) -----> 4 CO2 (g) + 6 H2O (g), increasing the concentration of C2H6 (g) will:

increase the acivation energy, decrease the activation energy, increase reaction rate OR decrease the reaction rate?

b. An equilibrium constant with a value of 5.7 X 10-8 indicates that at equilibrium:

the reactants are favored, the products are favored, OR approximately equal concentrations of reactions and products are present.

c. A balloon that contains 0.500 L of helium at 25 degrees celsius is cooled to 11 degrees celsius at a constant pressure. What volume does the balloon now occupy?

d. Which cylinder at STP will contain the greatest number of gas particles?

5.0 L cylinder of neon, helium, or nitrogen

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Answer #1

Augwer: @ 2.62 Holg) + 70219) - 4 Co2lg) + 6H2019) * increasing the concentration of C2 4619) will increase reaction rate (as7 At Now congtent pressure and meleg v? [ ape neCoupleut 7 u,= o.sool ; T = 299K (25°c) U2= ? ; T2 = 284k (11) - o.sooL = V2

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