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Katarina [22]
3 years ago
11

What parts do all cells have?

Chemistry
2 answers:
aleksandr82 [10.1K]3 years ago
7 0

Answer:

All cells have these four parts in common: a plasma membrane, cytoplasm, ribosomes, and DNA

Explanation:

can i get brainliest plz

Ray Of Light [21]3 years ago
3 0
DNA cytoplasms ribosomes plasma membrane
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drek231 [11]

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Explanation:

The acid level has changed

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3 years ago
How many grams of carbon are present in 45.0g of CCl4
pentagon [3]
Molar Mass of CCl4= 12+4(35.5)=154 g/mol    g Carbon= 45.0g/(154 g/mol)=0.292 mole



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3 years ago
True or false.  The greater the distance that the plane moves from an object, the lower the force that will be applied when the
Nadya [2.5K]

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I think its false-

Explanation:

4 0
3 years ago
Read 2 more answers
250 mL of a solution of calcium oxalate is the evaporated until only a residue of solid calcium
Lana71 [14]

Answer:

2.3 * 10^-5

Explanation:

Recall that the solubility of a solute is the amount of solute that dissolves in 1 dm^3 or 1000cm^3 of solution.

Hence;

Amount of calcium oxalate = 154 * 10^-3/128.097 g/mol = 1.2 * 10^-3 mols

From the question;

1.2 * 10^-3 mols dissolves in 250 mL

x moles dissolves in 1000mL

x = 1.2 * 10^-3 mols * 1000/250

x= 4.8 * 10^-3 moldm^-3

CaC2O4(s) ------->Ca^2+(aq) + C2O4^2-(aq)

Hence Ksp = [Ca^2+] [C2O4^2-]

Where;

[Ca^2+] = [C2O4^2-] = 4.8 * 10^-3 moldm^-3

Ksp = (4.8 * 10^-3)^2

Ksp = 2.3 * 10^-5

4 0
2 years ago
An atom has a mass number of 25 and 13 neutrons. what is the atomic number of this atom? express your answer as an integer.
Snowcat [4.5K]
13 because an atom has the same number of protons as neutrons
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