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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, <em><u>water conservation can save money and protect the environment. The statement given is true.</u></em>

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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A heavily loaded truck takes more gas because it takes more power to move a heavy load.

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4 years ago

What is a measure of the amount of matter in an object? A). density B). mass C). gravity D). weight

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3 years ago

Read 2 more answers

Activation energy is: A. The maximum amount of energy reactants can hold. B. The energy needed to begin breaking the bonds of pr

Arte-miy333 [17]

Activation energy is the energy needed to begin breaking the bonds of reactants and is denoted as option D.

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These are the substances which take part in a chemical reaction and result in the formation of the product.

The activation energy is required as it breaks the bonds of the reactant thereby resulting in the product being formed. This therefore makes it the most appropriate choice.

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2 years ago

Which type of mixture can be separated using magnetism?

Sergeu [11.5K]

Answer: The correct option is heterogeneous mixture whose components are attracted differently to a magnet.

Explanation: There are two types of mixtures:

1) Homogeneous mixtures: In these mixtures, the particles are uniformly distributed throughout the mixture. These particles cannot be separated.

2) Heterogeneous Mixtures: These are the mixtures where the particles are visible separated and are not-uniformly distributed. These particles can be separated easily.

If magnet is used to separate the components of a mixture, the heterogeneous mixtures will only get separated.

To separate the components by a magnet, the components of a mixture should attract the magnet differently. One component should attract the magnet and another should not. Hence, they can be easily separated.

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3 years ago

How many milliliters of a 3.4 M NaCl solution would be needed to prepare each solution?

Ksenya-84 [330]

Answer:

a. Approximately $1.3\; \rm mL$ .

b. Approximately $7.2\; \rm mL$ .

Explanation:

The unit of concentration " $\rm M$ " is equivalent to " $\rm mol \cdot L^{-1}$ ", which means "moles per liter."

However, the volume of both solutions were given in mililiters $\rm mL$ . Convert these volumes to liters:

$\displaystyle 45\; \rm mL = 45\; \rm mL \times \frac{1\; \rm L}{1000\; \rm mL} = 0.045\; \rm L$ .

$\displaystyle 330\; \rm mL = 330\; \rm mL \times \frac{1\; \rm L}{1000\; \rm mL} = 0.330\; \rm L$ .

In a solution of volume $V$ where the concentration of a solute is $c$ , there would be $c \cdot V$ (moles of) formula units of this solute.

Calculate the number of moles of $\rm NaCl$ formula units in each of the two solutions:

Solution in a.:

$n = c \cdot V = 0.045\; \rm L \times 0.10\; \rm mol \cdot L^{-1} = 0.0045\; \rm mol$ .

Solution in b.:

$n = c \cdot V = 0.330\; \rm L \times 0.074\; \rm mol \cdot L^{-1} = 0.02442\; \rm mol$ .

What volume of that $3.4\; \rm M$ (same as $3.4 \; \rm mol \cdot L^{-1}$ ) $\rm NaCl$ solution would contain that many

For the solution in a.:

$\displaystyle V = \frac{n}{c} = \frac{0.0045\; \rm mol}{3.4\; \rm mol \cdot L^{-1}} \approx 0.0013\; \rm L$ .

Convert the unit of that volume to milliliters:

$\displaystyle 0.0013\; \rm L = 0.0013\; \rm L \times \frac{1000\; \rm mL}{1\; \rm L} = 1.3\; \rm mL$ .

Similarly, for the solution in b.:

$\displaystyle V = \frac{n}{c} = \frac{0.02442\; \rm mol}{3.4\; \rm mol \cdot L^{-1}} \approx 0.0072\; \rm L$ .

Convert the unit of that volume to milliliters:

$\displaystyle 0.0072\; \rm L = 0.0072\; \rm L \times \frac{1000\; \rm mL}{1\; \rm L} = 7.2\; \rm mL$ .

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3 years ago