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Gnoma [55]
4 years ago
5

[98 POINTS HELP ASAP]

Chemistry
2 answers:
netineya [11]4 years ago
5 0
Vacuoles are storage bubbles found in cells. They are found in both animal and plant cells but are much larger in plant cells. Vacuoles might store food or any variety of nutrients a cell might need to survive. They can even store waste products so the rest of the cell is protected from contamination.
Darina [25.2K]4 years ago
3 0

Vacuoles store food and nutrients in order to survive. Vacuoles are storage bubbles, which are found in cells, they are also found in animal and plant cells.

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An unknown or changeable quantity is called a(n)...
givi [52]
It is called a variable
6 0
3 years ago
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What is the percent composition of nitrogen in sodium nitride
Neporo4naja [7]

Answer:

16.86%

Explanation:

Na3N is sodium nitride.

% of N = mass of N/ molar mass of Na3N *100

% of N = 14/83*100= 16.86%

5 0
3 years ago
Diazomethane has the molecular formula CH2N2. Draw the preferred Lewis structure for diazomethane and assign formal charges to a
Alja [10]

Answer:

See explanation

Explanation:

We define the formal charge on an atom in a molecule as the charge it carries assuming that electrons in all chemical bonds of the molecule were shared equally between atoms irrespective of the electronegativity of each atom.

The formula for calculating the formal charge on an atom in a molecule is;

Formal Charge = [number of valence electrons on neutral atom] – [(number of lone electron pairs) + (½ number of bonding electrons)] ·

The formal charge on the two nitrogen atoms in diazomethane is obtained as follows;

Middle nitrogen atom = 5 – 8/2 – 0 = +1

Last nitrogen atom = 5 – 4/2 – 4 = –1

The Lewis structure of the molecule is shown in the image attached.

8 0
3 years ago
Which is a chacteristic of a solution?
Setler [38]

Answer:

A solution is a homogeneous mixture of two or more substances. The particles of solute in a solution cannot be seen by the naked eye. A solution does not allow beams of light to scatter.

Explanation:

8 0
4 years ago
A hydrogen only spectrum
nikklg [1K]

Answer:

yes

Explanation:

6 0
3 years ago
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