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natulia [17]
4 years ago
7

If a color change occurs when two solutions are mixed is it true that a chemical react has probably taken place?

Chemistry
2 answers:
nika2105 [10]4 years ago
8 0

Answer:

Yes it is true

Explanation:

It is most likely a change has occurred with the PH of the solutions and it is a common indicator of a chemical reaction.

Phoenix [80]4 years ago
3 0

Answer: yes

Explanation: When you mix an acid an a base the color it showing a chemical change.

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Estimate ΔG°rxn for the following reaction at 449.0 K. CH2O(g) + 2 H2(g) → CH4(g) + H2O(g) ΔH°= -94.9 kJ; ΔS°= -224.2 J/K
Sliva [168]
This equation relates all three variables, so just plug in all of the given values. Don’t forget to convert deltaS into kJ/K because Gibbs free energy is measured in kJ. The K used in temperature cancels out the K in kJ/K, leaving only kJ as your units. Don’t forget sig figs!

7 0
4 years ago
The
Georgia [21]

Answer:

Elements

Explanation:

The  <u> elements</u> which are represented by a single uppercase letter, or represented by an uppercase letter followed  by a lowercase letter. This tells you the types of <u>elements</u> in the compound.

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6 0
3 years ago
The result of technology is a product. True or false
jok3333 [9.3K]

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True

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7 0
3 years ago
PLEASE HELP ME! I am confused on this.
zalisa [80]

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Mohammed has less kinetic energy

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m=Kg

V= m/s

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the way you work out the answer is:

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How many molecules are there in 100 g of glucose?
agasfer [191]
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