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ZanzabumX [31]
3 years ago
8

If you burn 52.0 g of hydrogen and produce 465 g of water, how much oxygen reacted?

Chemistry
1 answer:
Nadusha1986 [10]3 years ago
7 0
Well, since matter doesn't simply poof into existence and water is H2O, 465g of water is a combination of 52.0g of H and 413g O
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How much energy does an X-ray with an 8 nm (8 x 10-9 m) wavelength have?
Vlada [557]

Answer: 2.48×10^-17 J

Explanation:

Given the following :

Wavelength = 8nm (8 x 10^-9 m)

Energy(e) of X-ray =?

Energy=[speed of light(c) × planck's constant (h)] ÷ wavelength

Speed of light = 3×10^8m/s

Planck's constant = 6.626×10^-34 Js

Wavelength = 8 x 10^-9 m

Energy = [(3×10^8) * (6.626×10^-34)] / 8 x 10^-9

Energy = [19.878×10^(8-34)] / 8 x 10^-9

Energy = 2.48475 × 10^(-26+9)

Energy = 2.48×10^-17 J

8 0
2 years ago
11. If four gases in a cylinder each exert 6 atm, what is the total pressure exerted by the
Debora [2.8K]

Answer:

24 atm is the total pressure exerted by the gases

Explanation:

We propose this situation:

In a vessel, we have 4 gases (for example, hydrogen, Xe, methane and chlorine)

Each of the gases has the same pressure:

6 atm → hydrogen

6 atm → xenon

6 atm → methane

6 atm → chlorine

To determine the total pressure, we sum all of them:

Partial pressure H₂ + Partial pressure Xe + Partial pressure CH₄ + Partial pressure Cl₂ = Total P

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8 0
3 years ago
What would be the pH of a solution of a solution with a hydrogen ion concentration of 0.001 M?
son4ous [18]

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7 0
2 years ago
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soldi70 [24.7K]
N = ?

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P x V = n x R x T

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173.2995 = n x 36.818

n = 173.2995 / 36.818

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hope this helps!



7 0
3 years ago
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choli [55]

B, the ice blocks demonstrated convection :)

7 0
2 years ago
Read 2 more answers
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