Chemistry
Chemistry, 24.08.2019 06:00, keilahkimbrough8

How many moles of 12c are there in a 3.50 g sample of this substance?

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Chemistry, 29.06.2019 14:10, mkay78
(3 points) a second order chemical reaction involves the interaction (collision) of one molecule of a substance with one molecule of another substance to produce on molecule of a new substance this is denoted by +→ the rate of this reaction is modeled by the differential equation =−− where is the amount of substance at time and > 0 are the initial amounts of substances and respectively. suppose that 18 moles of substance and 12 moles of substance react together. if =0.022 1/(mol⋅sec) and )=0, find the amount of time until there are 10 moles of substance
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Chemistry, 04.07.2019 05:30, mkuhauluasong2020
You are given a sample containing 0.40 moles of a . a) how many atoms are in the sample if the substance is copper? . b) how many atoms are in the sample if the substance is gold? . c) how many molecules are present in the sample if the substance is acetone, ch3coch3? .
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Chemistry, 29.08.2019 21:30, nstacie40
If you are given the number of molecules in an unidentified chemical compound, can you calculate the number of moles in this sample? yes, because you know that each mole contains 6.02 x 1023 molecules yes, as long as you can also measure the mass of the sample no, because the number of moles depends on the volume of the sample no, because the number of moles depends on the identity of the substance
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Chemistry, 21.09.2019 01:30, FireStorm7327
You are given a sample containing 0.70 moles of a substance. how many molecules are present in the sample of the substance is benzene c6h6
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How many moles of 12c are there in a 3.50 g sample of this substance?...

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