2 years ago

What is physical and chemical change ?

1 answer:

4 0

Answer:

Physical change is there is a difference in appearance, smell, etc.

Chemical change is there is change in the composition or the rearrangement of the atoms of one or more substances.

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Aliun [14]

Answer: 0.3794 moles of Iodine gas are produced.

Explanation:

$2KI(aq)+Cl_2(
g)\rightarrow 2KCl(aq)+I_2$

Volume of iodine gas produced at STP =8.5 L

At STP, the 1 mol of gas occupies volume = 22.4 L

So, 8.5 L of volume will be occupied by: $\frac{1}{22.4 L}\times 8.5=0.3794 moles$

0.3794 moles of Iodine gas are produced.

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<h2>Answer: He left blank spaces for <em>undiscovered</em> elements to be added to the table.</h2>

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Dvinal [7]

Your answer is sublimation.

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guajiro [1.7K]

86 atoms have more electrons than Germanium

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