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shutvik [7]
3 years ago
10

Compare the two atoms: 188 'X' and 178 'Y'. How are these atoms related?:

Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
5 0
<span>They are isotopes of the same element</span>
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Use the formula: PV=nRT<br><br> If P=12, V=22.4, R=.0821 and T=100, then what would n=?
Lina20 [59]
PV=nRT \\ (12)(22.4)=n(.0821)(100) \\ 268.8=8.21n \\ 268.8/8.21=8.21n/8.21 \\ n=32.74
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Hope this helps!
7 0
3 years ago
Air containing 20.0 mol% water vapor at an initial pressure of 1 atm absolute is cooled in a 1- liter sealed vessel from 200°C t
chubhunter [2.5K]

Answer:

This solution is quite lengthy

Total system = nRT

n was solved to be 0.02575

nH20 = 0.2x0.02575

= 0.00515

Nair = 0.0206

PH20 = 0.19999

Pair = 1-0.19999

= 0.80001

At 15⁰c

Pair = 0.4786atm

I used antoine's equation to get pressure

The pressure = 0.50

2. Moles of water vapor = 0.0007084

Moles of condensed water = 0.0044416

Grams of condensed water = 0.07994

Please refer to attachment. All solution is in there.

6 0
3 years ago
A molecule of glucose is comprised of 6 atoms of carbon, 12 atoms of hydrogen, and 6
Tanya [424]

Answer:

48

Explanation:

because you add 6 and 6 and 12 to get it

7 0
2 years ago
In chapter 51, Pip, Wemmick, and Jaggers discuss Estella's parentage. What does Jaggers advise Pip to do with this information?
Aleks04 [339]
What’s this story called
4 0
3 years ago
As you move down a group of the periodic table how does the atomic radius of the atoms change​
lana [24]

Answer:

An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements. In general, the size of an atom will decrease as you move from left to the right of a certain period.

Explanation:

5 0
3 years ago
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