Chemistry, 26.06.2019 13:00 mellobunbun
In the late 1400s, ties among people of the same formed the basics of most aspects of life in rural west africa
Answers: 1
Chemistry, 21.06.2019 22:10
What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance
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Chemistry, 23.06.2019 07:30
In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?
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Chemistry, 23.06.2019 11:30
A) equal lines b) parallel lines c) perpendicular lines d) none of the above
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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
In the late 1400s, ties among people of the same formed the basics of most aspects of life in rural...
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