Is the cause of most ocean surface currents. a) gravity b) the moon c) the wind d) earth's orbit

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

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

What volume would 2.25 moles of ne has occupy at stp?