Use the following BALANCED equation to answer the question: 2 C4H10 + 13O2 → 8 CO2 + 10 H2O what is the mole ratio of C4H10 to carbon dioxide for this equation?

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?

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?