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Aleks [24]
3 years ago
13

Could someone help me with this? Pleassseee

Chemistry
1 answer:
Sonja [21]3 years ago
8 0

75 x 3 = ______


Well if you take 75 plus 75 you get 150 Fish ,Then you add 75 more so 150  plus 75 equals 225      So there are 225 fish in display at the entrance.

hope this helps please mark brainliest !!!!!!!!!!!!

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Nuclear energy can be used to power _______. a. street lights b. businesses c. homes d. all of the above Please select the best
Taya2010 [7]
<h3><u>Answer;</u></h3>

All the above

-street lights

-businesses

- Homes, etc

<h3><u>Explanation; </u></h3>
  • Nuclear energy comes from splitting atoms in a reactor to heat water into steam, turn a turbine and generate electricity.
  • Nuclear reactions are used to release nuclear energy that generate heat, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant.
  • Because nuclear power plants do not burn fuel, they do not produce greenhouse gas emissions.
  • Nuclear energy may be used in a wide variety of fields as it generates high levels of electricity without causing damage to our environment and atmosphere.
8 0
3 years ago
How does carbon cycle through the ocean, atmosphere, soil, and biosphere?
saw5 [17]
Carbon moves from one storage reservoir to another through a variety of mechanisms. For example, in the food chain, plants move carbon from the atmosphere into the biosphere through photosynthesis. Respiration, excretion, and decomposition release the carbon back into the atmosphere or soil, continuing the cycle.
make sure to paraphrase and give thanks:) good luck
3 0
3 years ago
If 450.0 mL of a 0.500 M solution is mixed with 200.0 mL of water, what is the molarity of the new
Oksana_A [137]

Answer:

Answer: A) .346 M

Explanation:

Given:

- 450 mL

- .5 M soln

-200 mL water

1) Convert mL to L

450 mL = .45 L

200 mL = .2 L

2) Find mols in solution

.5 M = x/.45 L

x = .225 mol

3) Find total volume of solution

.45 L + .2 L =.65 L

4) Find new molarity

molarity (M) = mols solute/ L solution

y = .225 mol (from step 2)/ .65 L (from step 3)

y = .346 M

Answer: A) .346 M

7 0
3 years ago
Given the following unbalanced chemical reaction: As + NaOH Na3AsO3 + H2 What would be the coefficient of the NaOH molecule in t
Lady_Fox [76]
I believe 2 would be the coefficient
6 0
3 years ago
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There is no connection between the study of chemistry and physics. A. true B. false
9966 [12]
B. False, have a connection between chemistry and physis
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3 years ago
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