What mass of carbon dioxide (CO2) is produced when 62.8g of methane (CH4) reacts with oxygen (O2)? Thank you!

172.48g

Explanation:

CH4 + 2O2 ---> CO2 + 2H2O

moles of methane = 62.8/16 = 3.92

by stotiometry,

3.92 = n

thus mass of co2 = moles× molar mass = 3.92 × ( 12 + 32)

3.92× 44 = 172.48 grams

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.