Metallic mercury is obtained by heating the mineral cinnabar (HgS)(HgS) in air: HgS(s)+O2(g)→Hg(l)+SO2(g)HgS(s)+O2( g)→Hg(l)+SO2(g) Part A Use the data in Appendix B in the textbook to calculate ΔH∘ΔH∘ (in kilojoules) for the reaction. Express your answer using four significant figures.

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.

__can be defined as which velocity changes

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?