Given the following chemical reaction: 2 o2 + ch4 --> co2 + 2 h2o
what mass of oxygen is required to completely react with 2 moles of ch4?
a)77 grams o2
b) 98 grams o2
c) 128 grams o2
d) 144 grams o2

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

In the reaction between a crushed antacid tablet and vinegar what gas is emitted