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Mila [183]
3 years ago
9

Science and technology are different, yet related, fields of study. Which action is best classified as science?

Chemistry
1 answer:
Nitella [24]3 years ago
7 0

Answer:

Option D

Explanation:

analyzing cells is something I'm doing in science class right now!

Hope this helped, have a nice day! :)

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Two different gases are stored in separate closed containers. If both gases have a temperature of 50°C, which statement is true?
Gnoma [55]

Answer:

D

Explanation:

Edge 2021

5 0
3 years ago
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What is the perecentage yield of a reaction in which 200g PCl3 reacts with excess water to form 128g HCl according to the f.F re
castortr0y [4]

Answer:

The percentage yield is 80.36% (see calculations in attachment).

Explanation:

The theoretical  yield of the reaction is the <u>amount of product that would result if all the  limiting reagent reacted.</u> The theoretical yield is calculated using the balanced equation.

In practice, the actual yield, or the <u>amount of  product actually obtained from a reaction</u>, is almost always less than the theoretical  yield.

To determine how efficient this reaction is, we need to calculate the percent  yield, which describes the <u>proportion of the actual yield to the theoretical yield.</u> It is  calculated as follows:

%yield = actual yield ÷ theoretical yield × 100%

First we need to make sure that the equation is properly balanced. In the question they provide the balanced equation.

Since water is in excess, we calculate the theoretical yield using PCl₃.

6 0
3 years ago
One benefit of nuclear fission reactions is
Simora [160]
The correct answer is option 4. One benefit of nuclear fission reactions is the production of energy. Fission reaction is one type of nuclear reaction. This type occurs when a nuclei is being divided. <span>Fission reaction takes place in any of the heavy nuclei after capture of a neutron. </span>
7 0
3 years ago
H2(g) + F2(g) → 2 HF(g) ΔH=-546 kJ
Arisa [49]

Answer: help please !!

Explanation:

4 0
3 years ago
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41.6 mL of an HCIO2 solution were
WINSTONCH [101]

Answer:

0.0521 M

Explanation:

          HClO2 + NaOH ---> NaClO2 + H2O

M(HClO2)V(HClO2) = M(NaOH)V(NaOH)

M(HClO2)*41.6 mL = 0.146 M*14.85 mL

M(HClO2) = 0.146*14.85/41.6 M = 0.0521 M

8 0
3 years ago
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