Chemistry, 28.06.2019 20:00 sullivanjakob
Which of the following are true statements about covalent compounds? you cross ion charges to the formulas electrons are shared electrons are transferred prefixes are used in naming
Answers: 1
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 16:40
Which heterogeneous mixture contains large particles that can settle out or can be filtered? colloid compound element suspension
Answers: 1
Chemistry, 23.06.2019 18:00
Astudent measured the ph for four solutions which ph indicated the lowest hydronium ion or concentration
Answers: 1
Which of the following are true statements about covalent compounds? you cross ion charges to the f...
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