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atroni [7]
3 years ago
13

Question 4 of 10

Chemistry
1 answer:
Fiesta28 [93]3 years ago
7 0

Answer:

B is the answer

Explanation:

B is the most un reasonable answer to do at the BEGINNING of the process. All of the other answers are things you do at the beginning or, before you start it. "Decide whether they have designed the best possible product" means you FINISHED it already, and we want what the engineers needs to do at the beginning. Common sense actually. Your welcome.

<em>A friendly dude that likes to help</em>

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Equation for the reaction btn nitric acid and metal X whose valence is 3​
viva [34]
(a) Reaction of nitric acid with non-metal:
C+4HNO
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⟶CO
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+2H
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O+4NO
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​

S+6HNO
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⟶H
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​
SO
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​
+2H
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​
O+6NO
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​

(b) Nitric acid showing acidic character:
K
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O+2HNO
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⟶2KNO
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​
+H
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​
O
ZnO+2HNO
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​
⟶Zn(NO
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​
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+H
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​
O
(c) Nitric acid acting as oxidizing agent
P
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​
+20HNO
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​
⟶4H
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PO
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+4H
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O+20NO
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​

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​
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hope that helps you please mark brainliest
3 0
3 years ago
A compound with the empirical formula CH2 was found to have a molar mass of approximately 112 g. Write the molecular formula of
san4es73 [151]

Answer:

C8H10

Explanation:

n (CH2) = 112

n (12 + 1 + 1) = 112

n (14) = 112

n = 8

Molecular Formula: C8H10

6 0
3 years ago
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ludmilkaskok [199]

Answer:

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I hope the answer is helpful.

Thanks for answering.

6 0
3 years ago
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The correct answer is c, it’s evaporating there for it’s a chemical change
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