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timama [110]
3 years ago
12

Why is it important to keep the water on Earth pollution free? Explain.

Chemistry
2 answers:
8_murik_8 [283]3 years ago
6 0
Well it's best for the environment that we don't pollute because the pollution effects animals and even us.
Mnenie [13.5K]3 years ago
4 0

Water is a fundamental human need. Oceans – With beaches littered with paper, plastic and cans, we place millions of birds, fish and marine mammals in danger.

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2. Explain Charles law in terms of the kinetic<br> molecular theory?
Alina [70]

Answer:

Explanation:

Charles law states that "the volume of a fixed mass of gas varies directly as its absolute temperature if the pressure is constant".

This law is a derivative of the kinetic molecular theory of gases.

  • The law explained shows that as the temperature of gases increases the volume of gases increases.
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Round off the following number to four significant figures.<br> 273.15
Evgesh-ka [11]

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I need help with this question please someone tell me the answer for this
Andrej [43]
Aueyeowosy yo this is my answer

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2 years ago
How would you prepare 500.0 mL of a 2.00 mol/L solution of HCI from a concentrated solution of 12.0 mol/L?
JulsSmile [24]

c(desired)*V(final) = c(conc)*V(add)

V(add) = c(desired)*V(final) / c(conc) = 2*0.5 / 12 = 0.0833 cm3 = 83.3 mL of 12 M HCl needs to be added.

First add the distilled water: 416,7 mL.

Then add the conc. HCL by using an autopipette 8 times with 10.0 mL, 1 time with 3.0 mL and then 1 time with 300 microliter .

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