Copy and complete 14 to 18. Calculate the number of moles of oxygen molecules needed for the complete combustion of the substance named.
14 24 g of carbon (A, 12)
C + O2 → CO2
15 32 g of methane CH(A, H1, C 12) CHA + 202 → CO2 + 2H20
16 24 g of carbon (A, C-12)
2C+ O2 + 2002
17 88 g of propane CHS (A, H1, C 12) C:Hg + 502 — 3CO2 + 4H2O

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

What volume of argon gas is equal to 1.60 grams of argon