Chemistry, 21.07.2019 04:23, gigimasters71p7tc6l

What kind of rock is this and how does it form?

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Chemistry, 21.06.2019 21:30, gatorr2010

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

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Chemistry, 22.06.2019 00:30, catdog5225

Drive down any three characteristic of modern periodic table

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Chemistry, 22.06.2019 12:00, daytonalive83481

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

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Chemistry, 22.06.2019 21:30, leenzazou587

Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.