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2 years ago

What are some of the unique properties of water?

Chemistry

2 answers:

Zepler [3.9K]2 years ago

4 0

Answer:

Water molecules are polar, so they form hydrogen bonds. This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density

Explanation:

Vlad [161]2 years ago

4 0

It dosent have a taste and it clenches thirst

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The amount of gravitational force impacts the weight of objects.<br> true or false

ElenaW [278]

Answer:

True

Explanation:

It's how gravity works.

8 0

2 years ago

1. Round each of the following numbers to four significant figures, and express the result in scientific notation:

vfiekz [6]

The rounding up of the aforementioned number to four significant figures is as follows: 3.002 × 10²

<h3>What are significant figures?</h3>

Significant figures are figures that contribute to the general and overall value of the whole number.

Significant figures or digits are specifically meaningful with respect to the precision of a measurement.

Although, the original number given in this question has 9 significant figures, the number; 300.235800 can be rounded up to four significant figures as follows:

Decimal notation: 300.2
No. of significant figures: 4
No. of decimals: 1
Scientific notation: 3.002 × 10²

Therefore, the rounding up of the aforementioned number to four significant figures is as follows: 3.002 × 10².

Learn more about significant figures at: brainly.com/question/14359464

#SPJ1

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1 year ago

Magnesium sulfate heptahydrate is heated until all the water is driven off. The sample loses 11.80 grams upon heating. What was

iren [92.7K]

Hello!

The initial mass of Magnesium Sulfate Heptahydrate (MgSO₄·7H₂O) is 23,08 g

The chemical reaction for the dehydrating of Magnesium Sulfate Heptahydrate (MgSO₄·7H₂O) is the following:

MgSO₄·7H₂O(s) + Δ → MgSO₄(s) + 7H₂O(g)

We know that the sample loses 11,80 g upon heating. That mass is the mass of Water that is released as vapor. Knowing that piece of information, we can apply the following conversion factor to go from the mass of water to the moles of water and back to the mass of the original compound (mi).

$mi=11,80gH_2O* \frac{1 mol H_2O}{18gH_2O}* \frac{1molMgSO_4.7H_2O}{7molH_2O}* \frac{246,47 g MgSO_4.7H_2O}{1 mol MgSO_4.7H_2O} \\ \\ mi=23,08gMgSO_4.7H_2O$

Have a nice day!

6 0

3 years ago

Can someone help me with this question?

Softa [21]

Answer:

5 , I think. sorry if its wrong

8 0

2 years ago

Why are scientific models important in the study of science? A. They are useful only for teaching students about science. B. The

madreJ [45]

The correct answer should be B.
The correct answer would be B.

4 0

3 years ago

Read 2 more answers