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aksik [14]
2 years ago
11

Substances, such as litmus paper or red cabbage juice, that turn color based on the pH of the solution are called ___.

Chemistry
1 answer:
bekas [8.4K]2 years ago
4 0

Answer:

soluteswws

Explanation:

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What are the weighting laws?
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Answer: A comprehensive legal term for uniform standards ascribed to the quantity, capacity, volume, or dimensions of anything. Legislation that adopts and mandates the use of a uniform system of weights and measures is a valid exercise of Police Power, and such laws are constitutional.

Explanation:

8 0
3 years ago
The energies of the bonds broken in a certain reaction are greater than the energies of the bonds formed. Which one of the follo
frosja888 [35]

Answer:

a. The reaction is endothermic.

Explanation:

The heat involved in a chemical reaction is given by the enthalpy change (ΔH), which is equal to the balance between the chemical bonds that are broken (release energy) and the chemical bonds that are formed (need energy):

ΔH ≅ bonds broken - bonds formed

If broken bonds > bonds formed ⇒ ΔH > 0 ⇒ endothermic reaction

Therefore, the reaction is endothermic (it requires energy).

4 0
2 years ago
Determine the mass of 2.75 moles of CaSO4. Record your work and your answer.
maw [93]

Explanation:

RFM \:  = 160 \: g \\ 1 \: mole \: weighs \: 160 \: g \\ 2.75 \: moles \: weighs \:  \frac{2.75 \times 160}{1} g \\  = 440 \: g

6 0
3 years ago
Substances that are considered acidic are also called alkaline, true or false
V125BC [204]
False
Alkaline is something we use everyday
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7 0
3 years ago
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2 years ago
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