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N76 [4]
3 years ago
9

Which two statements explain ways in which cells get nutrients?

Chemistry
2 answers:
Kisachek [45]3 years ago
6 0

Answer: The answers are B and D :)

Gnom [1K]3 years ago
4 0

Answer: B and D

Explanation:

Just did the test and these make the most sense

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Determine the mass of 5.20 moles of C6H12 (gram-formula mass = 84.2 grams/mole).
SIZIF [17.4K]
5.20 mol C6H12* (84.2 g/mol C6H12)= 4.38*10^(2) g C6H12.

The answer should only have three significant figures, according to the numbers in the problem.

Hope this is helpful~
7 0
3 years ago
How must atoms change so that they can join to form an ionic compound
Zina [86]
Atoms must gain or lose electrons in order to become ions if they are to form ionic bonds.
7 0
3 years ago
Why would the volume of one object calculated using “Measurement and Calculation” differ from the volume of the same object calc
Mars2501 [29]

Answer:

Measuring the Volume of Solids

Rectangular prism - Multiply the measurement of the length times the width, then times the height.

Cube - Since all sides are the same measurement, it would be the measurement of any side, or edge, cubed, or a³

Explanation:

8 0
3 years ago
Read 2 more answers
How many protons and electrons do the following ion have?
GalinKa [24]

a) Number of protons = number of electron in the atom = atomic number

So it has 7 protons answer

N-3 has gained 3 electron so number of electrons + 7+3

= 10 answer

8 0
4 years ago
To a 25.00 mL volumetric flask, a lab technician adds a 0.250 g sample of a weak monoprotic acid, HA , and dilutes to the mark w
Basile [38]

Answer: The number of moles of the weak acid in the solution is 0.00396

Explanation:

To calculate the number of moles for given molarity, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}      

a) {\text{Moles of}KOH=0.0846M\times 0.04683L=0.00396mol

The balanced chemical reaction is:

HA+KOH\rightarrow KA+H_2O  

1 mole of base uses = 1 mole of HA  

0.00396  moles of base use = \frac{1}{1}\times 0.00396=0.00396 moles of HA  

Thus the number of moles of the weak acid in the solution is 0.00396

6 0
3 years ago
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