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Pepsi [2]
2 years ago
13

Would you rather be hot or cold

Chemistry
2 answers:
Vitek1552 [10]2 years ago
7 0

Answer:

hot

Explanation:

because I like to stay warm and take warm showers

Norma-Jean [14]2 years ago
4 0

Answer:

cold

Explanation:

because being cold helps to refresh my body personally

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Hematite is a naturally occurring mineral and a common form of iron ore. The following statements describe physical and chemical
Oksanka [162]
<h2>Answer : Option B) The hematite particles rearrange to form a new substance.</h2><h3>Explanation :</h3>

Hematite particles when gets rearranged to form a new substance,  is an example of a chemical change.

As a chemical changes is usually a change where a substance undergoes a chemical change and forms a new substance; which cannot be easily reversed into reactants by any simple physical methods.

In this example the hematite ore forms a new substance by an irreversible chemical change.

8 0
3 years ago
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What element has a proton number of 79?​
PtichkaEL [24]
Gold has 79 protons on the periodic table
3 0
3 years ago
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Could a mixture be made up of only one element and no compounds​
Firdavs [7]

Yes. A mixture can be made up of just elements without the use of a compound, you can also just use compounds in a mixture without any elements

5 0
2 years ago
Santiago's car has an overall average speed of 25 cm/s. If he could increase his car's overall average speed by 10%, what would
Evgen [1.6K]

Given:

The overall average speed = 25 cm/s.

The overall average speed increased by 10%.

To find:

The new overall average speed.

Solution:

We have,

Overall average speed = 25 cm/s.

The overall average speed increased by 10%. So, the new average speed is

New overall average speed = Initial average speed + 10% of initial  overall average speed

\text{New overall average speed}=25+\dfrac{10}{100}\times 25

\text{New overall average speed}=25+2.5

\text{New overall average speed}=27.5

Therefore, the new overall average speed is 27.5 cm/s.

3 0
2 years ago
How many sugar molecules are in 0.734 mol sugar, C6H12O6? Please explain
Dmitrij [34]
To answer this question, you need to know the Avogadro number. To find the amount of sugar molecule from mol unit you need to multiply it by the Avogadro number.
The calculation should be like this: <span>0.734 mol * 6.02*10^23 molecule/ mol= 4.41 * 10^23 molecule</span>
7 0
3 years ago
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