Given the balanced equation 2C4H10+ 1302→ 8C02+ 10H2O, how many moles of CO2 are produced when 14.9 g of O2 are used?

a. 0.29 mol
b. 3.49 mol
c. 12.61 mol
d. 119.2 mol

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.