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3 years ago

Explain how a cell is like your school or town. What is the nucleus of your town? The mitochondria?

Chemistry

1 answer:

Mariulka [41]3 years ago

4 0

Answer:

The nucleus is like the mayor's office because it controls what happens in the cell. The mitochondria is the powerhouse of the cell because it gives the rest of the cell energy to perform the tasks they need to do.

Explanation:

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Which is not involved in a chemical reaction?

choli [55]

Answer:

division of atoms are neither created nor destroyed therefore atoms can only be rearranged

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1 year ago

6. Menthol is a member of the terpene family of natural products. It exists in a (1R, 2S, 5R) form and a (IS, 2R, 5S) form. Are

Usimov [2.4K]

Here ya go if you need the link we’re I found this answer key https://studylib.net/doc/8708211/exam-2---chemistry

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3 years ago

What does the peak of a probability curve for an electron in an atom indicate?

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The distance from the nucleus at which the electron is most likely to be found

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3 years ago

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At what temperature does uranium hexafluoride have a density of 0.9560 g/L at 0.5073 atm?

S_A_V [24]

Given:

Density = 0.7360 g/L.

Pressure = 0.5073 atm.
Step 2
The mathematical expression of an ideal gas is,

Chemistry homework question answer, step 2, image 1
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4 years ago

Molarity to percent by mass. Convert 1.672 mol/L MgCl2(aq) solution to percent by mass of MgCl2 in the solution. The solution de

nignag [31]

Answer:

$\%m/m=14\%$

Explanation:

Hello!

In this case, since the molarity of magnesium chloride (molar mass = 95.211 g/mol) is 1.672 mol/L and we know the density of the solution, we can first compute the concentration in g/L as shown below:

$[MgCl_2]=1.672\frac{molMgCl_2}{L}*\frac{95.211gMgCl_2}{1molMgCl_2}=159.2\frac{gMgCl_2}{L}$

Next, since the density of the solution is 1.137 g/mL, we can compute the concentration in g/g as shown below:

$[MgCl_2]=159.2\frac{gMgCl_2}{L}*\frac{1L}{1000mL}*\frac{1mL}{1.137g}=0.14$

Which is also the by-mass fraction and in percent it turns out:

$\%m/m=0.14*100\%\\\\\%m/m=14\%$

Best regards!

6 0

3 years ago