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madam [21]
3 years ago
13

10

Chemistry
1 answer:
Tpy6a [65]3 years ago
6 0

Answer:

one is a and my sister in the with me to go in my

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What is the mass, in amu, of an atom with one proton and two neutrons?
Neko [114]

mass of proton mp=1.672621898e-27 kg and 1 amu=1.66053904e-27kg so it’s just divition (1.672621898e-27 / 1.66053904e-27) =1.007276 amu

4 0
3 years ago
A compound is 52.14% C, 13.13% H, and 34.73% O. What is the empirical formula of the compound?
alina1380 [7]
% H = 100 - ( 52.14 + 34.73 )=13.13 % 

<span>assume 100 g of this compound </span>
<span>mass H = 13.13 g </span>
<span>moles H = 13.13 g / 1.008 g/mol=13 </span>

<span>mass C = 52.14 g </span>
<span>moles C = 52.14 g/ / 12.011 g/mol=4 </span>

<span>mass O = 34.73 g </span>
<span>moles O = 34.73 g/ 15.999 g/mol=2 </span>

<span>the empirical formula is C4H13O2</span>
7 0
3 years ago
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I have 2 Valence electrons and 1 energy levels
natima [27]

Answer:

Hydrogen(H) and Heluim(He)

Explanation:

These are the only two valennce electrons and 1 energy levels.

3 0
3 years ago
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30 treadmills to 36 elliptical machines
scoundrel [369]

Answer:

what? that's 66 total, 6 more elliptical machines, a 1 to 1.2 ratio

but I don't know what else you would mean

7 0
2 years ago
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PLEASE HURRY
Evgen [1.6K]

<em>Answer:</em>

4) the one that is reduced, which is the oxidizing agent

<em>Explanation:</em>

<em>An oxidizing agent is one that causes oxidation by gaining electrons from another atom/molecule. </em>

6 0
3 years ago
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