Do you think it is a good idea for all scientists to use the same periodic table of elements? Why or why not?

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

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