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GalinKa [24]
3 years ago
6

Is the reaction balanced?

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

Answer:

No

Explanation:

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It is refracted upon entering a lens
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Which of the following statements characterizes nuclear fission?
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Answer: C) the splitting of a nucleus released a large burst of energy

Explanation:

nuclear fission occurs when an isotope (usually unstable) is hit with particles such as neutrons and splits, resulting in an extreme burst of energy.

for instance, the atomic bombs developed by the U.S. during WWII were products of nuclear fission in which plutonium-239 and uranium-235 were struck by a neutron that hit either nucleus of either isotope. The result was the neclus split into fragments that released huge amounts of energy snd the fission process became self-sustaining as neutrons produced by the splitting nucleus hit other nuclei and produce more fission, causing a chain reaction.

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Convert 7.89 x 10^8 molecules of water to liters.
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Answer:

2.94 x 10⁻¹⁴L

Explanation:

To solve this problem, we have to assume that the condition of this water is at standard temperature and pressure, STP.

At STP;

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So, let us find the number of moles of this water first;

         6.02 x 10²³ molecules can be found in 1 mole of a substance

          7.89 x 10⁸ molecules will contain \frac{7.89 x 10^{8} }{6.02 x 10^{23} }   = 1.31 x 10⁻¹⁵mole of water

So;

        Volume of water  = 22.4 x 1.31 x 10⁻¹⁵  = 2.94 x 10⁻¹⁴L

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How many moles are present in 25.0 grams of potassium permanganate, KMnO,? ​
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Explanation:

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Beet juice is added to a unknown solution and changes color from red to purple. Curry powder, added to the same solution, turns
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The unknown liquid has low H+ concentrations and high OH- concentrations.

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