what coefficient for o2 demonstrates the law of conservation of mass? ch4(g) + __o2(g) → co2(g) + 2h2o(g)

‘all monkeys have tails’ is an absolute statement. t or f

What are the costs and benefits of leaving home after high school?

Certain gases in air are important natural resources that are used in welding. two of these gases are a. oxygen and argon b. hydrogen and fluorine c. chlorine and sulfur dioxide d. nitrogen and carbon dioxide