1CaC2 + 2O2 ---> 1Ca+2CO2
I need the mole to mole ratio.​

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?