When hno3 and au are mixed together, what do you expect to happen, and why? a. no reaction, because au is above h on the activity series and they cannot react b. no reaction, because au is lower on the activity series and cannot replace h c. they form au(no3)2 and h2, because au is more reactive and able to replace h d. they form au(no3)2 and h2, because they trade places in a double replacement reaction

Can someone me with 6 to 10 plz this is for masteries test.

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.