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faust18 [17]
3 years ago
12

How would u figure the number of neutrons in an atom?

Chemistry
2 answers:
Korolek [52]3 years ago
8 0
Do mass number take away atomic number
disa [49]3 years ago
7 0
Subtract protons number from the mass number
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W7L5 Stoichiometry Practice 2
Rzqust [24]

Answer:

.079 moles of Nirogen gas (N2)

Explanation:

You can see from the equaton that each ONE mole of N2 produces TWO moles of NH3.

 Find the number of moles of NH3 produced.

    Using Periodic Table : Mole wt of NH3 = 17 gm/mole

          2.7 gm / 17 gm/mole = .1588 moles

      One half as many moles of N2 are needed  = .079 moles

6 0
2 years ago
The atomic number determines the identity of the atom. True or False?
Dominik [7]
THE CORRDCT ANSWER IS TRUE
7 0
3 years ago
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What is the empirical formula for C14H28O7?​
mrs_skeptik [129]

Answer:

Empirical formula of C4H8O2, is the answer

Explanation:

7 0
3 years ago
You calculate that your semester average in history is 97.5. When you get your report card, your average is 96. What was the per
andrew11 [14]
Ok percent error is abs(calculated-actual)/actual(100%)

So 1.5/96 *100%
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3 years ago
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Scientists use _____ as chemical symbols.<br><br> dots<br> letters<br> shapes<br> lines
defon

Answer:

Letters

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