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3 years ago

Conserving water can save money while protecting the environment. True or False

Chemistry

2 answers:

Lyrx [107]3 years ago

4 0

Answer:

This statement is true.

Explanation:

Conserving water means using our water supply wisely and being responsible.

Although 71% of the Earth is covered by water, ninety-seven percent of it is salt water, which is not suitable for drinking. In addition, only 3% of the water on Earth is fresh water, and only 0.5% is available for drinking. The rest of the fresh water is enclosed in ice sheets, glaciers, the atmosphere, the ground or below the surface of the earth, or is too contaminated for consumption. That's why water care and conservation is important.

In addition to being a limited resource, all species on this planet need water to live and survive. And without water, aquatic life will have no chance of survival. Therefore, water saving is essential, essential for our sustainability.

One of the benefits of water conservation is that it helps preserve our environment. The reduction of water use reduces the energy needed to process it and deliver it to homes, businesses, farms and communities. In turn, this helps reduce pollution and conserve fuel resources. Water pumping from the central installation requires large amounts of energy to operate the equipment. So, saving water will also lead to saving energy. Finally, saving water and energy consumption allows companies to charge the user less. This generates a saving of money.

So, water conservation can save money and protect the environment. The statement given is true.

blagie [28]3 years ago

3 0

Answer: The given statement is true.

Explanation:

Water is a natural resource present in the nature and it is very precious as life without it is impossible.

So, when we unnecessarily use water then it means we are wasting a natural resource that cannot be reproduced again by human beings.

Therefore, more we are able to conserve water more we can protect other human life's and environment also.

If there is shortage of water then its prices will go high and hence we need to pay more for it.

Thus, we can conclude that the statement conserving water can save money while protecting the environment, is true.

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Which of the following is used for chemical symbols today? a. drawings c. letters b. icons d. numbers

devlian [24]

Answer:

Letters

Explanation:

For example, today we use the periodic table which is full of elements named with 1 or 2 letters. Like how Helium is He and Sodium is Na. Hope this helps!!!

3 0

3 years ago

5. What concentration of acid must be added to change the pH of 1 mM phosphate buffer from 7.4 to 7.3 (pKas of the phosphate buf

mr_godi [17]

Explanation:

According to the Henderson-Hasselbalch equation, the relation between pH and $pK_{a}$ is as follows.

pH = $pK_{a} + log \frac{base}{acid}$

where, pH = 7.4 and $pK_{a}$ = 7.21

As here, we can use the $pK_{a}$ nearest to the desired pH.

So, 7.4 = 7.21 + $log \frac{base}{acid}$

0.19 = $log \frac{base}{acid}$

$\frac{base}{acid}$ = 1.55

1 mM phosphate buffer means $[HPO_{4}]$ + $[H_{2}PO_{4}]$ = 1 mM

Therefore, the two equations will be as follows.

$\frac{HPO_{4}}{H_{2}PO_{4}}$ = 1.55 ............. (1)

$[HPO_{4}]$ + $[H_{2}PO_{4}]$ = 1 mM ........... (2)

Now, putting the value of $[HPO_{4}]$ from equation (1) into equation (2) as follows.

1.55 $[H_{2}PO_{4}] + [tex][H_{2}PO_{4}]$ = 1 mM

2.55 $[H_{2}PO_{4}]$ = 1 mM

$[H_{2}PO_{4}]$ = 0.392 mM

Putting the value of $[H_{2}PO_{4}]$ in equation (1) we get the following.

0.392 mM + $[HPO_{4}]$ = 1 mM

$[HPO_{4}]$ = (1 - 0.392) mM

$[HPO_{4}]$ = 0.608 mM

Thus, we can conclude that concentration of the acid must be 0.608 mM.

7 0

3 years ago

What is formula mass of glucose C2H12O6

Delvig [45]

Glucose has empirical formula C6H12O6. So its formula mass can be calculated from that: 12.01x6 + 1.008x12 + 16.00x6 = 72.06 + 12.096 + 96.00 = 180.156 which needs to be rounded to two decimals to get 180.16 g/mole.

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4 years ago

A teacher wants to figure out the amount of a solution that is needed for a titration experiment in a class lab. The class has 1

umka2103 [35]

Answer:

Im sure it's 1500 mL

Explanation:

You would have ti multiply by 15 i think

7 0

3 years ago

Read 2 more answers

Rutherford’s gold foil experiment demonstrated that

iVinArrow [24]

Answer:

Explanation:

The space between the large nucleus and the electrons is huge. We know this because the alpha particles shot at the gold foil most went right on through. That means that the space between hold atoms is very large.

Not only that but the deflection that takes place is not frequent further telling us that the the nucleus must be positively charged. That observation comes from the deflection itself. The charge on the nucleus must be the same as the alpha particle. If they were different, and the nucleus was negative, those particles that were deflected would now be absorbed.

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3 years ago