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Maslowich
2 years ago
10

Work and energy have the same unit why​

Chemistry
2 answers:
photoshop1234 [79]2 years ago
8 0

Answer:

because work is the process of converting energy from one form into another work is a method of transferring energy the amount of work done is the amount of energy transferred so it makes sense to use the same unit hope it helps

Elenna [48]2 years ago
3 0

Answer:

I'm struggling bbbbbnn

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What is the empirical formula for a compound that is 29.44\% calcium, 23.55% sulfur, and 47.01% oxygen? This compound is a commo
PSYCHO15rus [73]

Answer:

Empirical formula is CaSO₄.

Explanation:

Given data:

Percentage of calcium =29.44%

Percentage of sulfur = 23.55%

Percentage of oxygen = 47.01%

Empirical formula = ?

Solution:

Number of gram atoms of Ca = 29.44 / 40 = 0.74

Number of gram atoms of S = 23.55 / 32 = 0.74

Number of gram atoms of O = 47.01 / 16 = 3

Atomic ratio:

            Ca                      :        S                :         O

           0.74/0.74           :     0.74/0.74      :       3/0.74

               1                     :          1              :          4

Ca : S : O = 1 : 1 : 4

Empirical formula is CaSO₄.

3 0
3 years ago
When cream mixes with coffee, is this a chemical or physical change?
svlad2 [7]

It is a physical change when cream mixes with coffee, it changes the color of the coffee. When you add more or less cream there is a color change depending on the consistency of cream. The properties are not changes and a no new compound is formed as in chemical change with a reaction of two compounds, a new compound is formed with different properties. So it is a physical change.

7 0
2 years ago
How would I complete and balance the equation <br> Mg + Br2 &gt;
Katyanochek1 [597]
Hope this helps you.

3 0
3 years ago
How many moles of oxygen are needed to burn 425g of sulfur
Anika [276]
I believe 212.5m, but I may be wrong, I’m a little rusty with moles
3 0
2 years ago
Read 2 more answers
What are essential and non essential proteins ?
katen-ka-za [31]
Nonessential amino acids can be made by the body, while essential amino acids cannot be made by the body so you must get them from your diet.
Nonessential acids : glutamine, proline, glycine etc
Essential acids: lysine, leucine etc.
6 0
3 years ago
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