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How many atoms are contained

how many P2O5 molecules are contained 55.3g of P2O2. I) how many oxygen atoms are contained in the sample
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If we assume the Sun is made totally out of hydrogen, how many hydrogen atoms are contained with the Sun? If the Sun converts
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2. asked by Kaitlyn
3. 780 views
An estimation of the radius of a lead atom:a. You are given a cube of lead that is 1.000 em on each side. The density of lead is
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2. asked by Arnol
3. 2,190 views
Read the sentence.Coins used in the Islamic world _____ few pictures of people until the twentieth century. What is the past
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If 0.256 g of a compound containing only carbon and hydrogen atoms is burned efficiently and 0.780 g of carbon dioxide and 0.356
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2. asked by Matt
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how many moles of atoms are contained in7.654 x 10^32 atoms of Ga ? Thank you!
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2. asked by Ellie
3. 449 views
Two radioactive sources X and Y have half-lives of 3.0 hours and 2.0 hours, respectively. The product of the decay is a stable
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2. asked by Valeriya
3. 874 views
The chemical formula of a substance is CaCO3What is contained in one molecule this substance? A 1 calcium atom, 1 carbon atom,
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2. 40 views
I have trouble understanding ratios and relativity so I can't understand how to use atomic mass units. Here is an example from
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2. asked by Leah
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Venn diagramDave's sister baked 3 dozen pies of which half contained chocolate, two thirds contained marshmallows, three-fourths
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2. asked by Anonymous
3. 259 views