(Thx)
Chemistry, 14.04.2021 16:20, hgiaculliozdjov
Can someone help me find the number of atoms? and if you don’t mind explaining how
(Thx)
Answers: 3
Chemistry, 22.06.2019 21:00, lalaween098
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
Answers: 3
Chemistry, 23.06.2019 13:30, jcastronakaya
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
Can someone help me find the number of atoms? and if you don’t mind explaining how
(Thx)
(Thx)
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