Chemistry, 08.10.2019 12:20 Diamond4614

What variable is assumed to be constant when using the combined gas law?

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Chemistry, 22.06.2019 02:20, nakeytrag

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

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Chemistry, 22.06.2019 09:00, hellodarkness14

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

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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 12:30, kaliyab191

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?