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MaRussiya [10]
4 years ago
9

Cells perform many functions in living organisms. Which of the following processes occur in cells? A. extracting energy B. excre

ting wastes C. obtaining nutrients D. all of these
Chemistry
2 answers:
nirvana33 [79]4 years ago
8 0

Answer:

It is D

Explanation:

i just did it and i got it correct

arsen [322]4 years ago
7 0
D all of these is correct
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If 100 ml of 3. 0 m solution were diluted to 250 ml, what would the concentration be?.
AysviL [449]

If o100 ml of 3. zero m solution were diluted to 250 ml awareness of<u> 1.2 M.</u>

The concentration of the solution tells you how tons solute has been dissolved within the solvent. for example, in case you upload one teaspoon to two cups of water, the awareness could be stated as 1 t salt in keeping with 2 c water.

V1 = one hundred mL, M1  = 3 M

V2 = 250 mL, M2 = ?

observe Dilution regulation

M1*V1 = M2*V2

so

M2 = M1*V1/V2

M2 = 100/250*3

M2 = 1.2 M

Concentration (normally uncountable, plural concentrations) The act, procedure, or capability of concentrating; the system of becoming focused, or the country of being concentrated. The course of interest to a particular object. The act, technique or product of reducing the quantity of a liquid,

Learn more about concentration here

brainly.com/question/17206790

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5 0
2 years ago
A balloon with a volume of 0.5L at 293K is cooled to 20K. What is the balloon's new<br> volume?
alina1380 [7]

Answer:

0.03 L

Explanation:

Step 1: Given data

  • Initial volume of the balloon (V₁): 0.5 L
  • Initial temperature of the balloon (T₁): 293 K
  • Final volume of the balloon (V₂): ?
  • Final temperature of the balloon (T₂): 20 K

Step 2: Calculate the final volume of the balloon

The balloon is filled with air. If we assume it behaves as an ideal gas, we can calculate the final volume of the balloon using Charles' law.

V₁/T₁ = V₂/T₂

V₂ = V₁ × T₂/T₁

V₂ = 0.5 L × 20 K/293 K = 0.03 L

3 0
4 years ago
When a glass or a watermelon is moved, the volume stays the same. When a liquid is poured into a glass, the volume and the shape
Vera_Pavlovna [14]

Answer:

E

Explanation:

6 0
3 years ago
Polymer formed from methylene diphenyl isocyanate
marin [14]

Answer:

Polymeric MDI is a mixture of. monomeric MDI as well as larger molecular weight oligomers of MDI, and is a brownish. liquid at room temperature and may have a slight odor. Commercial MDI products are. often mixtures of monomeric and polymeric MDI and can contain other additives as well.

Explanation:

5 0
3 years ago
32. Using tables from this chap-
UkoKoshka [18]

Answer:

  • 44 m
  • 0.0046 g
  • 10.7 cg

Explanation:

Just move the decimals according to the conversions. khdbdcm

For example, 0.044km, using khdbdcm, from k you have to move 3 spaces to reach "b" or the standard unit.

6 0
3 years ago
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