Chemistry, 07.12.2019 04:31 winterblanco
Which are strong bases? check all that apply.
- hcl
- naoh
- nh3
- h3co3
- hno3
- koh
Answers: 1
Chemistry, 22.06.2019 12:30
Acontrol during an experiment. might change remains constant does not exist does change
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Chemistry, 23.06.2019 13:30
The zinc within a copper-plated penny dissolves in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can reach the zinc). the reaction between the acid and the zinc 2h+(aq)+zn(s)→h2(g)+zn2+(aq) . when the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 °c is 0.947 l at a total pressure of 743 mmhg . (vapor pressure of water is 23.78 mmhg at 25 °c .) what mass of hydrogen gas is collected? answer in appropriate significant figures
Answers: 3
Chemistry, 23.06.2019 15:50
Astable atom that has a large nucleus most likely contains 1. more neutrons than protons. 2.more protons than neutrons. 3.equal numbers of protons and neutrons. 4.changing numbers of protons and neutrons.
Answers: 1
Which are strong bases? check all that apply.
- hcl
- naoh
- nh...
- hcl
- naoh
- nh...
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