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guajiro [1.7K]
3 years ago
12

Match the element with its description. Match Term Definition Lithium A) Highly reactive gas Lead B) Nonreactive gas Fluorine C)

Malleable, soft, and shiny Krypton D) Opaque solid with higher density
Chemistry
1 answer:
eduard3 years ago
6 0

Lithium - Malleable, soft, and shiny

Lead - Opaque solid with higher density

Fluorine - Highly reactive gas

Krypton - Nonreactive gas

*<em>hope I helped :)</em>*

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If you have 8.943 L of carbon monoxide gas at SATP, how many moles would it contain?
viktelen [127]
1mole contains 22.4Lmol^-1
xmole contains 8.943
cross-multiply
x=1×8.943/22.4
x=0.40mole
there it contains 0.40moles.
8 0
3 years ago
I don’t know what the correct answer is? Can anyone explain?
Scorpion4ik [409]

Short Answer:

C)

Long Answer:

A- When a solid is heated, it melts and becomes a liquid. (Another older term is Fusion.) An example of this is ice to water when you leave it outside the freezer.

B- When a liquid becomes a gas, it undergoes a process called boiling. Example: When you boil water, it becomes steam.

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7 0
2 years ago
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A precipitate of lead(II) chromate can be formed using the reaction below.
Marina86 [1]

Answer:

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7 0
2 years ago
How many molecules are there in 6.73 moles of phosphorus trichloride? (write your answer in scientific notation).
anyanavicka [17]

Answer: There are 4.05\times 10^{24}  molecules in 6.73 moles of phosphorus trichloride

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

1 mole of PCl_3 contains = 6.023\times 10^{23}  molecules

Thus 6.73 moles of PCl_3 contains = \frac{6.023\times 10^{23}}{1}\times 6.73=4.05\times 10^{24}  molecules

Thus there are 4.05\times 10^{24}  molecules in 6.73 moles of phosphorus trichloride

3 0
3 years ago
Predict the products of the double replacement reactions given. Check to see that the equations are
Angelina_Jolie [31]

Answer:

Option (2)

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The two compounds formed will be AgCl and NaNO₃.

We can see that this will result in a balanced equation, so the answer is Option (2).

4 0
1 year ago
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