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Scorpion4ik [409]
3 years ago
6

what is the balanced equation that represents the reaction hydrogens and nitrogen to make ammonia (NH3)

Chemistry
1 answer:
KengaRu [80]3 years ago
4 0

Answer: N2 + 3H2 —> 2NH3

Explanation:

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since an element always has a different number of protons, the mass can indicate how many neutrons are in an isotope
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Answer:

The number of protons is equal to the mass number of the element. Since an element always has a different number of protons, the mass can indicate how many neutrons are in an isotope. Atoms of the same element can have a different number of neutrons. There are three naturally-occurring isotopes of carbon.

Explanation:

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2 years ago
Please<br>list uses uses aluminium?​
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3 years ago
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The trapping of heat by carbon dioxide and water vapor is known as the_
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It's known as the greenhouse effect.
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3 years ago
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What is the weight of a 90kg man standing on the moon, where gmoon = 1.64 m/s2?
Doss [256]

Answer:

The weigth of a 90kg man standing on the moon is <u><em>147.6 N (option C)</em></u>

Explanation:

Weight is called the action exerted by the force of gravity on the body.

The mass (amount of matter that a body contains) of an object will always be the same, regardless of where it is located. Instead, the weight of the object will vary according to the force of gravity acting on it.

The formula that allows you to calculate the weight of any body is:

W = m*g

where:

  • W = weight measured in N.
  • m = mass measured in kg.
  • g = acceleration of gravity measured in m/s². The acceleration of gravity g is the same for all objects that fall due to gravitational attraction, whatever their size or composition. For example, as an approximate value on Earth, g = 9.8 m/s².

In this case,  the mass m has a value of 90 kg and the gravity g has a value of 1.64 m/s², which is the value of the acceleration of gravity of the moon. Then:

W=90 kg* 1.64 m/s²

<u><em>W= 147.6 N</em></u>

Finally, <u><em>the weigth of a 90kg man standing on the moon is 147.6 N (option C)</em></u>

3 0
3 years ago
Use the following chemical equation to answer the question. 4K(s) + O2(g) → 2 K2O(s). If a staff member at a laboratory has 12.0
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Answer:14.5 grams of K2O

Explanation:

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3 years ago
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