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BartSMP [9]
3 years ago
11

PLS HELP FAST WILL GIVE BRAINLEST

Chemistry
1 answer:
sleet_krkn [62]3 years ago
3 0

Answer:

B

Explanation:

A gamma ray, or gamma radiation, is a penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy.

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How many molecules of sulfur trioxide are in 78.0 grams?
zalisa [80]

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b) 5.87 E23 molecules

Explanation:

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⇒ molecules SO3 = (78.0 g)(mol/80.066 g)(6.022 E23 molec/mol)

⇒ molec SO3 = 5.866 E23 molecules SO3

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Calculate the pH of a solution with a [H 3 O + ]=5.6x10 -9 M.
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8.3

Explanation:

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6 0
3 years ago
Which of the following is true about elements?
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The first one

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6 0
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Which of the following compounds is not possible?
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