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maks197457 [2]
3 years ago
14

BE

Chemistry
1 answer:
4vir4ik [10]3 years ago
4 0

Answer:

239=161

Explanation:

THAT IS BECAUSE U VIOLATED COMMUNITY GUIDELINES

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If an isotope decays by the process of beta emission, ___.
Kaylis [27]
1. Decreases by 4. (B)
2. The atomic number changes. (B)
3. 56/26 Fe. (C)
4. Potassium-40;t1/2=25 days. (B)
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4 years ago
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Answer:

Explanation:

The first one is CrO.  The Chromium has the same charge as the oxygen so mol numbers are dropped.

The Second one is CrO2 The two oxygens have a charge of 2(-2) = -4. To balance this, the Chromium must have a charge of +4 Cr(Iv)O2

The third one is can be set up like this

Cr + 3(-2) = 0

Cr - 6 = 0

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Therefore the formula is Cr(vi)O3

The last one is a bit tricky. Follow this carefully. There are 2 Crs and 3Os.

The formula looks like this

2Cr + 3(-2) = 0

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The formula is Cr(iii)2 O3

5 0
3 years ago
24H2S + 16HNO3 3Sg+ 16NO + 32H2O
jeka94

Answer:

24 sultur with 48hydrogen+16 hydrogen,nitrogen and 48 oxygen+16 nitrogen,16 oxygen+62hydrogen and 32 oxygen

Explanation:

3 0
3 years ago
Although fusion is an energetically favorable reaction for light nuclei, it does not occur under standard conditions on Earth be
hammer [34]
The best and most correct answer among the choices provided by your question is the first choice.

<span>Although fusion is an energetically favorable reaction for light nuclei, it does not occur under standard conditions on Earth because: fission reactions are always favored over fusion reactions.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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4 years ago
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Bumek [7]

Answer : The correct option is, (2) 8 mole of hydrogen will react with 1 mole of sulfur.

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Hence, the correct options is, (2) 8 mole of hydrogen will react with 1 mole of sulfur.

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3 years ago
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