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2 years ago

When being transferred from one container to another, liquids will

Chemistry

2 answers:

RoseWind [281]2 years ago

7 0

A. I’m not positive but I’m pretty sure

JulijaS [17]2 years ago

6 0

Answer:

D. maintain their volume and change their shape

Explanation:

no mass is lost when transferred to a different container but if the shape of the container is different the shape will change due to the nature of liquids

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What is the composition, in atom percent, of an alloy that consists of a) 5.5 wt% Pb and b) 94.5 wt% of Sn? Assume that the atom

Anastaziya [24]

Answer : The percent composition of Pb and Sn in atom is, 3.21 % and 96.8 % respectively.

Explanation :

First we have to calculate the number of atoms in 5.5 wt% Pb and 94.5 wt% of Sn.

As, 207.2 g of lead contains $6.022\times 10^{23}$ atoms

So, 5.5 g of lead contains $\frac{5.5}{207.2}\times 6.022\times 10^{23}=1.59\times 10^{22}$ atoms

and,

As, 118.71 g of lead contains $6.022\times 10^{23}$ atoms

So, 94.5 g of lead contains $\frac{94.5}{118.71}\times 6.022\times 10^{23}=4.79\times 10^{23}$ atoms

Now we have to calculate the percent composition of Pb and Sn in atom.

$\% \text{Composition of Pb}=\frac{\text{Atoms of Pb}}{\text{Atoms of Pb}+\text{Atoms of Sn}}\times 100$

$\% \text{Composition of Pb}=\frac{1.59\times 10^{22}}{(1.59\times 10^{22})+(4.79\times 10^{23})}\times 100=3.21\%$

and,

$\% \text{Composition of Sn}=\frac{\text{Atoms of Sn}}{\text{Atoms of Pb}+\text{Atoms of Sn}}\times 100$

$\% \text{Composition of Sn}=\frac{4.79\times 10^{23}}{(1.59\times 10^{22})+(4.79\times 10^{23})}\times 100=96.8\%$

Thus, the percent composition of Pb and Sn in atom is, 3.21 % and 96.8 % respectively.

6 0

3 years ago

Why is it called alkaline battery?

Delicious77 [7]

Alkaline battery are a type of primary battery dependent upon the reaction between zinc metal and manganese dioxide.
The alkaline battery gets its name because it has an alkaline electrolyte of potassium hydroxide, instead of the acidic ammonium chloride or zinc chloride electrolyte of the zinc-carbon batteries.

5 0

3 years ago

HELP!!!<br> IF YOU DONT KNOW THE ANSWER THEN PLEASE DONT ANSWER!!

Simora [160]

Answer:

1. melting

2. freezing

5. condensation

6. evaporation

4 0

2 years ago

The table shows the number of reactants and products present during two separate chemical reactions.

aleksandr82 [10.1K]

Answer: Option (a) is the correct answer.

Explanation:

A decomposition reaction is defined as a reaction where a compound dissociates into two or more atoms.

For example, $A \rightarrow B + C + D$

Whereas a chemical reaction in which two reactants combine together to result in the formation of a compound is known as a synthesis reaction.

For example, $A + B \rightarrow C$ is a synthesis reaction.

Thus, we can conclude that the statement chemical reaction A, because the reactant is a compound identifies the decomposition reaction and describes a substance is involved.

6 0

3 years ago

Any DBZ fans??????????????????????//<br><br> ??????????????

Mnenie [13.5K]

Answer:

ummmmmmmmmm what's that???

8 0

2 years ago

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