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IrinaVladis [17]
3 years ago
5

One similarity between all mixtures and compounds is that both(1) are heterogeneous(2) are homogeneous(3) combine in a definite

ratio(4) consist of two or more substances
Chemistry
2 answers:
givi [52]3 years ago
5 0
Mixture is a combination of two or more substances. The components of the mixture are not chemically reacted and can be separated using physical means.
compound is a combination of two or more substances that are chemically reacted or bound together. The components of the compound cannot be separated except by chemical reactions.

Answer:
<span>(4) consist of two or more substances</span>
andreyandreev [35.5K]3 years ago
5 0
Mixtures and compounds are a combination of two or more substances. A mixture could be like coffee and water or salt and water ie like a solution and a compound can be like a mineral say galena which is a combination of lead and sulfur both distinct elements which also combine in certain proportions. The result of a mixture or a compound is that the product most likely will have some different characteristics than the original substances taken by themselves. 
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At sea level water usually boils at 100. °C and 760. mmHg pressure. On Mt Whitney, the pressure is about 560. mmHg. At what temp
WITCHER [35]

Answer:

  91.7°C

Explanation:

We suppose you have a formula to work from. However, that is not supplied with this problem statement, so we looked one up.

The formula in the attachment is supposed to have good accuracy in the temperature range of interest. It gives vapor pressure of water in kPa, not mmHg, so we needed the conversion for that, too.

560 mmHg corresponds to about 74.66 kPa. The attached "Buck equation" formula is used to find the corresponding temperature. The exponential equation could be solved algebraically using logarithms and the quadratic formula, but we choose to find the solution graphically.

Water boils at about 91.7 °C on Mt. Whitney.

7 0
3 years ago
When the temperature in a room increases from 25°C to 33°C, changes from a solid to a liquid.
mr Goodwill [35]

Answer:

true

Explanation:

Because ice melts if the temperature increasese

8 0
3 years ago
Which of the following processes are physical changes? Mark all
stich3 [128]

The process that is physical changes is:

  • mixing frozen orange juice concentrate with water

<h3>What is a physical change?</h3>

A physical change can be described as a type of  change  that take place in physical without chemical reaction as opposed to chemical change.

They are changes that are  usually reversible it should be noted that physical change do not  involve the alterations  as regards the  chemical make up of a particular  substance  and as a result of this , in physical change, there is   no formation of new product.

Therefore, The process that is physical changes is mixing frozen orange juice concentrate with water

Read more about physical changes here:

brainly.com/question/13056570

#SPJ1

7 0
2 years ago
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san4es73 [151]
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