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2 years ago

Which of the following statements best describes an animal impacting the hydrologic cycle?

Chemistry

1 answer:

Katena32 [7]2 years ago

5 0

Answer:

When an animal breathes out, water vapor from inside the animal's lungs is released into the air.

Explanation:

The hydrologic cycle is the cycle of water movement throughout the environment. A is the only only one that "recycles" water;

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Is P3I10 a proper compound?

djyliett [7]

Yes P3l10 is a proper compound

4 0

2 years ago

In a chemical reaction, which symbol should be used to indicate a substance is in solution

tresset_1 [31]

The symbol used to indicate a substance is (aq).

4 0

2 years ago

What is the half life of this element?<br> A. 80 days B. 40 days C. 5 days D. 10 days

masha68 [24]

Answer:

c. 5days

Explanation:

there is no question but if it's a graph

the answer is 5days

4 0

2 years ago

(5.0 m3) ( 7.5 mmHg) = (P)(4.0m3)

anzhelika [568]

It looks like we are solving for a pressure. All that is required is some algebraic manipulation to find our pressure in mmHg.

Given:

(5.0 m³)(7.5 mmHg) = (P)(4.0m³)

Multiply:

37.5 = 4.0P

Divide:

9.375 = P

P = 9.4 mmHg (remember sig figs)

<h3>Answer:</h3>

9.4 mmHg

7 0

2 years ago

1. A 25 g rock is placed in a graduated cylinder with water. The volume of the liquid rises from 18.3 mL to 21.4 mL Calculate th

MaRussiya [10]

Answer:

1. $\rho=8.06g/cm^3$

2. $H=10cm$

Explanation:

Hello,

1. In this case, since the volume of the rock is obtained via the difference between the volume of the cylinder with the water and the rock and the volume of the cylinder with the water only:

$V=21.4mL-18.3mL=3.1mL$

Thus, the density turns out:

$\rho=\frac{m}{V}=\frac{25g}{3.1cm^3} \\\\\rho=8.06g/cm^3$

2. In this case, given the density and mass of aluminum we can compute its volume as follows:

$V=\frac{m}{\rho}=\frac{1080g}{2.7g/cm^3}=400cm^3$

Moreover, as the volume is also defined in terms of width, height and length:

$V=W*H*L$

The height is computed to be:

$H=\frac{V}{L*W}=\frac{400cm^3}{5cm*8cm}\\ \\H=10cm$

Best regards.

3 0

2 years ago