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Svetllana [295]
3 years ago
10

Water's _____ point is _____.

Chemistry
2 answers:
Katarina [22]3 years ago
7 0
The answer is b. I hope this helps.
icang [17]3 years ago
3 0

ANSWER:

the answer is B.boiling; 100 °C

TIP: its not the others cuz for melting or freezing it would have to be a negative number!

~batmans wife dun dun dun...aka ~serenitybella

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To completely convert 9. 0 moles of hydrogen gas (h2) to ammonia gas, how many moles of nitrogen gas (n2) are required?
evablogger [386]

To completely convert 9. 0 moles of hydrogen gas (h2) to ammonia gas, 3.0 moles of nitrogen gas (n2) are required.

<h3>What are moles?</h3>

The mole is a SI unit of measurement that is used to calculate the quantity of any substance.

<h3 />

The given reaction is \rm  N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)

By the stoichiometry rule of ratio hydrogen: nitrogen

3 : 1

The reacted moles of nitrogen is equals to H/3 moles of reacted hydrogen

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\rm Moles\; of\; nitrogen = \dfrac{9.0 }{3} =3.0\;mol

Thus, 3.0 moles of nitrogen gas (n2) are required.

Learn more about moles

brainly.com/question/26416088

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3 0
2 years ago
c) A substance has a high melting point and conducts electricity. What type of structure does it have
trapecia [35]

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Metallic structure

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They have a high melting point due to the strong forces of attraction between the positive ions (cations) and the delocalised electrons. Moreover, they conduct electricity due to the sea of delocalised electrons.

<em>[Extra: It could be an ionic compound since they also have a high melting point, however they only conduct electricity in liquid or aqeouus state.]</em>

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