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Nina [5.8K]
3 years ago
11

If solid water is dropped into liquid water, will the solid iron sink or float?

Chemistry
2 answers:
UNO [17]3 years ago
7 0

Answer: the answer is B)sink on Edgenuity

Explanation:

i just took the test with my teacher in Edgenuity

vivado [14]3 years ago
6 0

Answer:

And this expansion makes ice is less dense than liquid water, which means that ice floats! ... If you drop a piece of solid iron into liquid or molten iron, it will sink before it melts.

Explanation:

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Which of these statement(s) is/are true about a balloon filled with 1.00 mol N2 (g) at STP?
lara [203]

Answer:

I. The balloon has a volume of 22.4L

III. The balloon contains 6.022x10^23 molecules.

Explanation:

At stp, it has been proven that 1mole of a gas occupy 22.4L.

Therefore, option (i) is correct.

The molar mass N2 = 14.01 x 2 = 28.02g/mol

Number of mole of N2 = 1 mole

Mass of N2 =..?

Mass = mole x molar Mass

Mass of N2 = 1 x 28.02 = 28.02g.

The mass content of the balloon is 28.02g, therefore, option (ii) is wrong.

From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.02x10^23 molecules. This implies that 1 mole of N2 also contains 6.02x10^23 molecules

Therefore, option (iii) is correct.

The correct options to the question are:

Option i and option iii

7 0
3 years ago
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8 0
3 years ago
Which of the following statements is true? Water (H2O) is an element. A golf ball has a larger volume than a baseball. Most of t
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Most of the substances found on earth are compounds.

(water is made up of 2 elements)

(a baseball is larger than a golf ball by default)

(water has a pH value of 7)

Hope this helps u!

4 0
3 years ago
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How are bacteria and humans different?
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A) Humans are made up of many cells while Bacteria are single-celled orginisms. We can reproduce, take energy and have the ability to move around

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How many moles of H2S are produced?
Ludmilka [50]

Answer:

You can view more details on each measurement unit: molecular weight of H2S or grams This compound is also known as Hydrogen Sulfide. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles H2S, or 34.08088 grams. Note that rounding errors may occur, so always check the results.

6 0
3 years ago
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