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3 years ago

In terms of collisions between particles why does the light begin shining brightly and dum overtime

Chemistry

1 answer:

baherus [9]3 years ago

3 0

Answer:

In the case of liquids and solids, the distances between particles are negligible,

Explanation:

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What is the mass of 4,48 L of SO2 at STP?

Trava [24]

Answer:

2 moles

Explanation:

Hi there !!

Given volume = 44.8 litres

Molar volume = 22.4 litres

No: of moles = Given volume / Molar volume

= 44.8 / 22.4 = 2 moles

3 0

2 years ago

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Which of the following would indicate that a chemical change might be occurring

Murljashka [212]

Explanation:

During a chemical change, a new kind of matter is formed. Examples are combustion, rusting of iron, precipitation and souring of milk.

Here are some of the properties of chemical change:

They are not easily reversible
It leads to the production of new kinds of matter.
It involves change in mass.
It requires a considerable amount of energy.

Learn more:

Chemical change brainly.com/question/9388643

#learnwithBrainly

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3 years ago

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For the Bradford assay, the instructor will make a Bradford reagent dye by mixing 50 ml of 95% v/v ethanol with 100 mg of Coomas

Flauer [41]

Answer:

4.25% is the final concentration of phosphoric acid.

Explanation:

Initial concentration of phosphoric acid = $C_1=85\%=0.85$

Initial volume of phosphoric acid = $V_1=50 mL$

Final concentration of phosphoric acid = $C_2=?$

Final volume of phosphoric acid = $V_2=1 L=1000 mL$

( 1L = 1000 mL)

$C_1V_1=C_2V_2$

$C_2=\frac{C_1times V_1}{V_2}$

$=\frac{0.85\times 50 mL}{1000 mL}=0.0425=4.25%$

4.25% is the final concentration of phosphoric acid.

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3 years ago

Which base would not effectively deprotonate acetylene? (ch3)2nli ch3och2mgbr lioch3 ch3li kh?

Eva8 [605]

Acetylene has a chemical formula which can be written as:

C2H2

We can see that there are two positive ions, H+. Now what deprotonation means is that the H+ is removed from acetylene to form acetylene ion and water. In this case, I believe that the answer would be:

<span>LiOCH3</span>

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3 years ago

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Needs help ???????????

olga_2 [115]

Answer:

The process of evaporation occurs

Explanation:

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3 years ago