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andriy [413]
1 year ago
6

Decide whether each proposed multiplication or division of measurements is possible. If it is possible, write the result in the

last column of the table.

Chemistry
1 answer:
Tju [1.3M]1 year ago
6 0

The possible options for the proposed multiplication or division of measurements are:

1. 9.0 km * 7.0 km = 63 km²; this is a correct option because km² is dimensionally correct.

3. 24 dL²/0.60 L = 0.24 L²/0.60 L = 0.4 L is a correct option since L is a unit of volume.

<h3>What are the possible options among the proposed multiplication or division of measurements?</h3>

The possible options among the proposed multiplication or division of measurements are those which are dimensionally correct.

Considering the given options:

1. 9.0 km * 7.0 km = 63 km²

This is a correct option because km² is dimensionally correct as it is a unit of area.

2. 2.0 g²  * 0.043 kg is not correct since there is no unit of square mass.

3. 24 dL²/0.60 L = 0.24 L²/0.60 L = 0.4 L is a correct option since L is a unit of volume.

In conclusion, the correct measurements options are those that are dimensionally correct.

Learn more about measurements at: brainly.com/question/777464

#SPJ1

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What is the molecule shown below?
FrozenT [24]

Answer:

2,3–dimethylpentane

Explanation:

To know which option is correct, we shall determine the name of the compound.

To obtain the name of the compound, do the following:

1. Determine the longest continuous carbon chain. This gives the parent name of the compound.

2. Identify the substituent group attached to the compound.

3. Locate the position of the substituent group by giving it the lowest possible count.

4. Combine the above to obtain the name of the compound.

Now, we shall determine the name of the compound as follow:

1. The longest continuous carbon chain is 5. Thus, the parent name of the compound is pentane.

2. The substituent group attached is methyl (–CH₃)

3. There are two methyl group attached to the compound. One is located at carbon 2 and the other at carbon 3.

4. Therefore, the name of the compound is:

2,3–dimethylpentane

None of the options are correct.

8 0
2 years ago
Complete and balance the following acid-base reaction equation ______HNO3 + ______ Mg(OH)2 ------&gt;
jekas [21]

Answer

_2 HNO₃ + 1 Mg(OH)₂ → 1 Mg(NO₃)₂ + 2 H₂O

Explanation

Given:

______HNO3 + Mg(OH)2 ------>

Solution:

Note that the reaction between an acid and a base will give salt and water only.

Hence the complete reaction of the given equation is:

___HNO₃ + Mg(OH)₂ → Mg(NO₃)₂ + H₂O

To get the balanced equation for the acid-base reaction, 2 moles of HNO₃ will react with 1 mole of Mg(OH)₂ to produced 1 mole of Mg(NO₃)₂ and 2 moles of H₂O.

Therefore, the complete and balanced equation for the given acid-base reaction is:

_2 HNO₃ + 1 Mg(OH)₂ → 1 Mg(NO₃)₂ + 2 H₂O

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