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yanalaym [24]
3 years ago
14

The map shows watersheds with a high potential for soil, nitrogen, and pesticide runoff. If you were in charge of handling the p

roblem of pollution from surface runoff in US watersheds, what would you need to know to help you come up with a solution? Write down at least five questions you would ask an expert to help you understand the data shown in the map and design a solution to the problem.

Chemistry
1 answer:
Yuri [45]3 years ago
7 0

Answer:

Here are some possible answers:

Why are watersheds in the Midwest more prone to pollution in than other areas in the country?

What are the current flood and pollution control measures in place in high-risk regions?

What are the flaws with the systems used to control pollution in high-risk regions?

What can the officials and scientists in one region learn from those in another region?

What would the effects on residents be if we made changes to current flood and pollution control measures?

Explanation:

When manure or commercial fertilizers enter surface water, the nutrients they release stimulate microorganism growth. The growth and reproduction of microorganisms reduce the dissolved oxygen content of the water body. Without sufficient dissolved oxygen in surface water, fish and other aquatic species suffocate.

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How many calories are required to raise the temperature of 105 g of water from 30.0°c to 70.0°c?
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<span>4.200 calories. The formula is rise in heat (H) = the specific heat capacity (c) * rise in heat in degrees Fahrenheit (T) and volume of liquid (m) . H= cTm. Water, the typical comparison, has a specific heat capacity of 1. So to raise the Fahrenheit temperature of 105 grams of water 40 degrees, you multiply 105 * 40 * 1 = 4,200.</span>
5 0
3 years ago
what is molarity of a sodium hydroxide solution made by combining 2.0 L of 0.60 M NaOH with 495 mL of 3.0 M NaOH? Assume the vol
hammer [34]

Answer:

Molarity of the sodium hydroxide solution is 1.443 M/L

Explanation:

Given;

0.60 M concentration of NaOH contains 2.0 L

3.0 M concentration of NaOH contains 495 mL

Molarity is given as concentration of the solute per liters of the solvent.

If the volumes of the two solutions are additive, then;

the total volume of NaOH = 2 L + 0.495 L = 2.495 L

the total concentration of NaOH = 0.6 M + 3.0 M = 3.6 M

Molarity of NaOH solution = 3.6 / 2.495

Molarity of NaOH solution = 1.443 M/L

Therefore, molarity of the sodium hydroxide solution is 1.443 M/L

8 0
3 years ago
Which is more acidic among the following?​
GaryK [48]

Answer:

C

Explanation:

7 0
2 years ago
A sample of ideal gas is in a sealed container. The pressure of the gas is 505torr, and the temperature is 43 degree celsius. If
Contact [7]
Use PV=nRT to find V assuming n is one and R= 8.31 then use the answer to find P2
8 0
4 years ago
One difference between mixtures and pure substances is that
defon

Answer:

The mixture is made up of different atoms and pure substance is made up of same type of atom.

The main difference is that mixture can be separated into its component by physical mean while pure substances can not be separated by physical process

Explanation:

Mixture:

  • The properties of the mixture are not same and contains the properties of all those component present in it.
  • it is a combination of one or more Pure substances and can be separated by simple physical methods.
  • it have varying boiling and melting point

Examples are:

  • mixture of salt and sand
  • Salt water is mixture of water and NaCl and can be separated by physical mean.
  • Alloys: its a mixture of different metal
  • Air: mixture of gases

Pure Substance:

Pure substances are those made of same type of atoms all elements and compounds are pure substances.

  • it can not be separated by simple physical mean
  • it have very constant and consistent melting and boiling point

Examples are:

  • Water : contain only water molecule
  • All elements: all elements are pure substance made of same atoms
  • All compounds: can not be separated by physical mean.

8 0
3 years ago
Read 2 more answers
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