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ira [324]
3 years ago
11

If atoms are not destroyed, what happens to them

Chemistry
1 answer:
Snowcat [4.5K]3 years ago
7 0

The 1st law of thermodynamics doesn't  specify that matter can be created nor destroyed, but that the total amount of energy in a closed system cannot be created nor destroyed though it can be changed from one form to another.

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How many kilojoules (KJ) in 3.58 x 10^4 Calories?
Delicious77 [7]

Answer:

The answer to your question is: letter B

Explanation:

Data

3.58 x 10⁴ cal to joules

                                  1 calories ---------------  4.184 joules

                                   3.58 x 10⁴ cal-----------    x

                                   x = (  3.58 x 10⁴ x 4.184) / 1

                                   x = 149787.2 joules

                                  x = 1.5 x 10⁵    J

8 0
3 years ago
Pick the answer that correctly spells a layer of the atmosphere.
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8 0
2 years ago
Who controlled the distribution of agricultural products within a Mississippian community?
Sunny_sXe [5.5K]

Answer:

The chiefs

Explanation:

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5 0
2 years ago
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_____ energy is required to start a reaction
Deffense [45]

Answer: Activation

Explanation:

5 0
3 years ago
(NH4)2CO3à NH3 + CO2 + H2O For this unbalanced chemical equation, what is the coefficient for carbon dioxide when the equation i
nasty-shy [4]

Answer:

The answer to your question is the letter A. 1

Explanation:

Data

Chemical reaction

                   (NH₄)₂CO₃  ⇒   NH₃  +  CO₂  + H₂O

               Reactants    Elements     Products

                      2            Nitrogen             1

                       1            Carbon                1

                       8           Hydrogen            5

                       3           Oxygen                3

This reaction is unbalanced

                   (NH₄)₂CO₃  ⇒   2NH₃  +  CO₂  + H₂O

               Reactants    Elements     Products

                      2            Nitrogen             2

                       1            Carbon                1

                       8           Hydrogen            8

                       3           Oxygen                3

Now, the reaction is balanced,

The coefficient for Carbon dioxide is 1

6 0
2 years ago
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