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Monica [59]
3 years ago
13

Which of the following is separated by physical mean.?

Chemistry
2 answers:
Paha777 [63]3 years ago
6 0

Answer:

D, Mixture

Explanation:

Mixtures can be separated physically because that's just how the world works

lubasha [3.4K]3 years ago
3 0

Answer:

D. mixture.

For example  a solid and a liquid may be separated by filtration.

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Which of the following statements are true of thermal energy and kinetic
Karolina [17]

Answer:

A. All the molecules or atoms in motion have kinetic energy.

B. All the molecules or atoms in motion have thermal energy.

C. Each molecule or atom in motion has thermal energy.

D. Each molecule or atom in motion has kinetic energy.

Explanation:

6 0
2 years ago
Complete the paragraph about the formation of sodium phosphide.
Nadya [2.5K]
<h2>Let us complete it :</h2>

Explanation:

let us study about formation of sodium phosphide

Electrons are transferred from atoms of  sodium to atoms of phosphorous

The sodium atom looses electrons and the phosphorus atoms  

gains electrons .

C. This transfer makes the sodium atoms  acquire positive charge and phosphorous acquire negative charge .

As a result, the sodium and phosphorus atoms strongly  bond with

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8 0
3 years ago
A sample of copper metal has a mass of 848 grams. How many moles of copper are in the sample? 13.34 mol Cu, 13.3 mol Cu, 12.9 mo
ANTONII [103]

Answer:

mol_{Cu}=13.34molCu

Explanation:

Hello,

In this case, as the atomic mass of coppe is 63.546 g/mol, with the given mass with can compute the moles as shown below:

mol_{Cu}=848gCu*\frac{1molCu}{63.546 gCu} \\\\mol_{Cu}=13.34molCu

Best regards.

8 0
3 years ago
Which property of a substance is not altered by a physical change?
antiseptic1488 [7]
C. Composition

is the answer
3 0
3 years ago
What is 2,100 in Scientific notation
Verizon [17]
It is 2.1 x 10^3 because your base number needs to be in between 1 and 10, and the number you are converting is non-decimal, so the exponent is positive. It is 10^3 because you are moving the decimal 3 places to the right
6 0
3 years ago
Read 2 more answers
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