800, + 10H, O, how many moles of Co, are

1. Given the balanced equation 2C, H,. + 130,

produced when 14.9 g of O2 are used?

a. 0.29 mol

b. 3.49 mol

c. 12.61 mol

d. 119.2 mol

Which best explains why replicating an experiment should be done by someone other than the person who originally did the experiment?

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What volume of beaker contains exactly 2.23x10^-2 mol of nitrogen gas at STP?

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A mixture of 0.438 M H2, 0.444 M I2, and 0.895 M HI is enclosed in a vessel and heated to 430 °C. H2 (g) + I2 (g) 2 HI (g) Kc = 54.3 at 430∘C Calculate the equilibrium concentrations of each gas at 430∘C.

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