Explain why Mercury has a shorter year then earth HURRY IM IN CLASS

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2