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ASHA 777 [7]
3 years ago
15

Can somebody Answer number 23 please it’s for a exam

Chemistry
1 answer:
qaws [65]3 years ago
8 0

Answer:

I think everything that's there is correct.

Explanation:

Bleach with pH of about 12.5 would be a strong base.

Milk with pH of 6.5 and Blood with pH around 7 would be neutral.

Battery acid with pH below 1 is strong acid and orange juice is weak acid.

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Which atomic model states that it is impossible to know the exact location of electrons around the nucleus?
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the Bohr model, an electron's position is known precisely because it orbits the nucleus in a fixed path. In the electron cloud model, the electron's position cannot be known precisely. Only its probable location can be known.

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Which statement best describes the main benefit to organisms that reproduce sexually?
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B. They will conserve energy during reproduction

Explanation:

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How do many indoor environments generally compare to outdoor environments in terms of pollution? Indoor environments are much le
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3 years ago
In Part A, we saw that the theoretical yield of aluminum oxide is 1.60 mol . Calculate the percent yield if the actual yield of
garri49 [273]

Taking into account definition of percent yield, the percent yield for the reaction is 76.25%.

<h3>Percent yield</h3>

The percent yield is the ratio of the actual return to the theoretical return expressed as a percentage.

The percent yield is calculated as the experimental yield divided by the theoretical yield multiplied by 100%:

percent yield=\frac{actual yield}{theorical yield}x100

where the theoretical yield is the amount of product acquired through the complete conversion of all reagents in the final product, that is, it is the maximum amount of product that could be formed from the given amounts of reagents.

<h3>Percent yield in this case</h3>

In this case, you know:

  • actual yield= 1.22 mol
  • theorical yield= 1.60 mol

Replacing in the definition of percent yields:

percent yield=\frac{1.22 mol}{1.60 mol}x100

Solving:

<u><em>percent yield= 76.25%</em></u>

Finally, the percent yield for the reaction is 76.25%.

Learn more about percent yield:

brainly.com/question/14408642

#SPJ1

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