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castortr0y [4]
3 years ago
10

I know the balanced equation, I just need help with the next part, any help is greatly appreciated!

Chemistry
1 answer:
baherus [9]3 years ago
3 0

Answer:

20.4081633   or 20.408

Explanation:

These ones you can do the regular method but it takes to long just divide and shoot.Hope this helps.

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sulphuric is a strong acid

Explanation:

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Turn on Write equation. What you see is an equation that shows the original uranium atom on the left. The boxes on the right rep
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Answer:

Uranium-238 undergoes alpha decay to form Thorium-234 as daughter product.

Explanation:

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6 0
3 years ago
A sample of gas has a mass of 0.560 g . Its volume is 125 mL at a temperature of 85 ∘C and a pressure of 757 mmHg .
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Answer:

132g/mole

Explanation:

using the formula PV=nRT should be used to solve for the number of moles (n).  R is a constant which is 62.3637 L mmHG/mole K.

Inorder for your units to match you will have to convert 125ml to .125L and the temperature of 85C to K . you do that by adding 273 to the 85C and get 358K.  Once you solve for n then you use that number and divide by the number of grams from the question (.560g) since molar mass is grams/moles.

4 0
3 years ago
To fill the valence shell, an electrically neutral, unbonded atom with atomic number 8 must add.
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Answer:

2 electrons

Explanation:

3 0
2 years ago
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