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Daniel [21]
3 years ago
11

A general term for a chemical which accelerates a reaction without becoming chemically involved is called a catalyst. true false

Chemistry
2 answers:
BARSIC [14]3 years ago
5 0
As long as the chemical is not used up in the reaction the answer is true
ivolga24 [154]3 years ago
4 0

The answer to this question is true. Hope this helped!

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A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 16.01 mg and 4.37 mg . The
Verizon [17]

Answer: See below

Explanation:

n of CO2​ = 0.364mmol

Mass of C = 0.364*12 = 4.368 mg

n of H2​O = 184.37​ = 0.243 mol

The compound has 2*0.243mmol of H

Mass of H = 0.486 mg

Mass of O = 10.68 − (4.368+0.486) = 5.826mg

Moles of O = 0.364

<u>C:H:O Ratios</u>

0.364 : 0.486 : 0.364

= 1 : 1.34 : 1

= 3 : 4 : 3

<u>So the empirical formula is C3​H4​O3​,</u>

Empirical formula mass

= 88= 2 × Molar mass

<u>And the molecular formula is C6​H8​O6</u>

5 0
2 years ago
I need help on this.
mina [271]
The answer would for sure be D
6 0
2 years ago
What are electrolytes
Alex777 [14]
An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. The dissolved electrolyte separates into cations and anions, which disperse uniformly through the solvent. Electrically, such a solution is neutral. 

Hope this helps!!
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3 0
2 years ago
Which two layers are part of the thermosphere?
borishaifa [10]

Answer:

exosphere and ionosphere.

Explanation:

very high up,the earth's atmosphere becomes very thin. the region where atoms and moleculesescape into space is referred to as the exosphere. exosphere is on top of the thermosphere.

scientists what is called the ionospherean extension of the thermosphere. so technically, ionosphere is not another atmospheric layer.

6 0
3 years ago
Read 2 more answers
Which equation is used to help form the combined gas law?<br> eP, V, P, V, т.
alexdok [17]

Answer:

The combined gas law is formulated from PV/T =K.

Explanation:

The combined gas law comprises of Boyle's law, Charles's law and Gay lusaac's law. This laws were not discovered but simply put together considering other cases of ideal gas law. It states that if the amount of gas is left unchanged, the ratio between the pressure, volume, and temperature is constant.

7 0
3 years ago
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