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jolli1 [7]
3 years ago
10

For each item, choose whether the change is a physical change or chemical change

Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Sorry, but where are the ‘items’?

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Which of the four substances listed will dissolve in water and why?
Orlov [11]

Answer:

Sugar, sodium chloride, and hydrophilic proteins are all substances that dissolve in water. Oils, fats, and certain organic solvents do not dissolve in water because they are hydrophobic.

And, water is called the "universal solvent" because it dissolves more substances than any other liquid. ... Water molecules have a polar arrangement of the oxygen and hydrogen atoms—one side (hydrogen) has a positive electrical charge and the other side (oxygen) had a negative charge.

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7 0
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When balancing equations does po4 counts as one element or on p and 4 o?
Radda [10]
As one element .because po4 is phosphate for e.g.: NaPO4
3 0
3 years ago
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When magnesium chloride reacts with water, 5.85 L HCl(g) is produced.
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3 years ago
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If you dispense 40 ml of hexane, but it turns out you only need 5 ml, what should you do with the remainder?
Natasha2012 [34]

After subtracting the volume needed from the volume dispensed, we got a remainder of 35ml

<h3>Subtraction of Numbers</h3>

Given Data

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Let us compute the amount of excess hexane/ the volume that will remain

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Remainder = 40-5

Remainder = 35 ml

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Learn more about subtraction of numbers here:

brainly.com/question/4721701

7 0
2 years ago
Why is it expensive to bring electricity into urban areas?
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Power plants are not located in cities. Power has to travel a long distance over power lines to reach cities.

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