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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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What is known as the amount of<br> mass in a given volume?
Ganezh [65]

Answer:

Density

Explanation:

Density is a measure of how much mass is contained in a given volume

3 0
3 years ago
A solution with a higher concentration of hydroxide ions (oh-) than hydrogen ions (h+)
Hoochie [10]
A solution with a higher concentration of hydroxide ions than hydrogen ions is basic solution.

This solution formed by Base dissolved in water and release hydroxide ions.

The PH of the solution is greater than 7
5 0
3 years ago
What is the molarity (M) of chloride ions in a solution prepared by mixing 155 ml of 0.276 M calcium chloride with 384 ml of 0.4
sesenic [268]

Answer: The concentration of Cl^- ions in the resulting solution is 1.16 M.

Explanation:

To calculate the molarity of the solution after mixing 2 solutions, we use the equation:

M=\frac{n_1M_1V_1+n_2M_2V_2}{V_1+V_2}

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of the CaCl_2

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of the AlCl_3

We are given:

n_1=2\\M_1=0.276M\\V_1=155mL\\n_2=3\\M_2=0.471M\\V_2=384mL  

Putting all the values in above equation, we get

M=\frac{(2\times 0.276\times 155)+(3\times 0.471\times 384)}{155+384}\\\\M=1.16M

The concentration of Cl^- ions in the resulting solution will be same as the molarity of solution which is 1.16 M.

Hence, the concentration of Cl^- ions in the resulting solution is 1.16 M.

6 0
3 years ago
NEED HELP QUICKLY!!! How many moles are in each of the following?
oksano4ka [1.4K]

Answer: a. 0.26mol

b. 0.000479mol

c. 1.12mol

Explanation: Please see attachment for explanation

6 0
3 years ago
What is the chemical reaction that occurs during photosynthesis ​
vfiekz [6]

Answer:

endothermic change occurs

Explanation:

photosynthesis, is an endothermic reaction in which energy is absorbed from the surrounding.

hope this helps

8 0
3 years ago
Read 2 more answers
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