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andre [41]
3 years ago
9

Which of these is an example of altering the molecular composition of a substance? Cooking an egg Breaking a glass Crushing a me

tal can Crumpling a piece of paper
Chemistry
2 answers:
erica [24]3 years ago
7 0

Answer:

A

Explanation:

Simply put, one of these is not like the others. The only one involved with changing instead of reshaping is the egg.

Natali5045456 [20]3 years ago
5 0
Answer is A for this one
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1. The motion of an object with constant acceleration is also known as ________. *
Charra [1.4K]

Answer:

i can't answer sorry

Explanation:

i had confused

7 0
3 years ago
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

  • Volume of Hexane dispensed = 40ml
  • Volume needed = 5 ml

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

Remainder = The difference in volume dispensed and the volume needed

Remainder = 40-5

Remainder = 35 ml

The remainder is 35ml

Learn more about subtraction of numbers here:

brainly.com/question/4721701

7 0
2 years ago
If zinc has an atomic number of 30 and a mass number of 65 what is the correct number of protons neutrons and electrons ?
ioda

Answer:

Explanation:

Name                 Zinc

Atomic Mass            65.39 atomic mass units

Number of Protons   30

Number of Neutrons      35

Number of Electrons      30

4 0
3 years ago
Read 2 more answers
What percentage of radium 288 is left after 1600 years ? ( figure out the number of half-lives,then look at the chart above to f
erastovalidia [21]

Answer:

Find it ur self lol

Explanation:

lol just look it up

5 0
3 years ago
Andi performs the calculation that is shown below.
Sergio039 [100]

Answer: -

A) 3.59

Explanation: -

The number of significant figures in 2.06 = 3

The number of significant figures in 1.743 = 4

The number of significant figures in 1.00 = 3

During multiplication of significant figures, the number of significant figures in the answer would be the smallest value that is 3 in this case.

2.06 x 1.743 x 1.00 = 3.5908.

The answer to 3 significant figures is

2.06 x 1.743 x 1.00 = 3.59

Thus, Andi when performs the calculation that is shown below.

(2.06)(1.743)(1.00) the answer be reported using the correct number of significant figures as A) 3.59

8 0
3 years ago
Read 2 more answers
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