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IgorLugansk [536]
3 years ago
11

which of the following is the most wasteful use of water? taking a shower rather than a bath watering the garden with recycled w

ater running dishwashers before they are completely full replacing high-flow showerheads with low-flow showerheads
Chemistry
2 answers:
kvasek [131]3 years ago
5 0
Water running dish washer
defon3 years ago
3 0

Answer: Option (c) is the correct answer.

Explanation:

Wasteful use of water means using water unnecessarily or without any need.

So, when we take a shower rather than a bath then it means we are using water for bathing and not wasting it.

Watering the garden with recycled water is also not wasting of water as we are reusing the used water.

Running dishwashers before they are completely full is a wastage of water because unless the dishwashers are not completely full the water will flow out and it is a wastage of water.

When we replace high-flow shower heads with low-flow shower heads then it means we are minimizing the flow of water and it is a conservation of water.

Therefore, we can conclude that out of the given options running dishwashers before they are completely full is the most wasteful use of water.

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How many bonds would be needed when bonding 2 atoms of nitrogen to achieve a full octet for both atoms?
andriy [413]

Answer:

3 bonds are needed.

Explanation:

The electrons that are involved in chemical bonding are those in the outer shell of the highest energy level of the atom. The electron configuration of nitrogen (N) is 1s²2s²2p³. That means thy at each nitrogen atom has 5 valence electrons: 2 electrons in the 2s orbital and 3 electrons in the 2p orbital. To fullfil the octet, each nitrogen atom needs 3 electrons. So, they can share each other 3 electrons to form 3 simple bonds. Therefore, the nitrogen molecule (N₂) has 3 bonds involving 6 bonding electrons or a triple bond.

8 0
2 years ago
What is the pressure of 5.0 mol nitrogen (N2) gas in a 2.0 L container at 268
CaHeK987 [17]

Answer: 54.94atm

Explanation: Please see attachment for explanation

8 0
3 years ago
Which one doesnt belong in the list below?
Firdavs [7]
One liter doesn't belong
3 0
3 years ago
H3PO4 + NO2- e HNO3 + H2PO4​
melamori03 [73]

Answer:

The answer is nitric acid

Explanation:

Hope this helped Mark BRAINLIEST!!!

5 0
3 years ago
Can someone help me with number 1 and 2 plz!
GalinKa [24]

Answer:

1) 0 N

2) 8 N

Explanation:

The net force is the sum of all of the forces acting on the object.

For question 1, we can see that there is a force of 5 N acting to the right and 5 N acting to the left.  If we define the right to be positive and the left to be negative, then the net force equals:

Fnet = 5N - 5N = 0 N

Therefore, the net force in question 1 is 0 N.

For question 2, the process is very similar.  We want to find the sum of the forces acting on the object.  In this case, there are forces of 3 N and 5 N acting to the right.

Fnet = 3 N + 5 N = 8 N

Therefore, the net force in question 2 is 8 N.

Hope this helps!

3 0
2 years ago
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