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JulsSmile [24]
3 years ago
7

Describe at least three careers in environmental science.

Chemistry
2 answers:
Fed [463]3 years ago
7 0

Answer:

Conservation Scientist

Zoologist and biologist

Environmental engineer

Explanation:

The three careers in environmental science are :

a) Conservation Scientist –  These set of people interact with the government agencies, federal and landowners in order to ensure optimum utilization of forest and other environmental resource.  

b) Zoologist and biologist – These set of people are interested in observing the plant and animal species near by them to identify evolution of a new species or endangered species. They also aim to protect the vulnerable ones.  

c) Environmental engineer – The solve the problems associated with industrialized countries which are intended to be the leading nation in production on one hand and on the other want to conserve the environment.  

tangare [24]3 years ago
4 0

Environmental consultant.

Environmental education officer.

Environmental engineer.

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How many molecules are in 21.5G of water
NemiM [27]

Answer:

There are 6.022×1023 molecules in a mole. There are 18.01528 grams of water per mole of water. in 1g water

Explanation:

please Mark my answer in brainlist

6 0
3 years ago
Name the following alkane molecule:
Sergeu [11.5K]

Answer:

6- bromo- 2-chlorodecane

5 0
3 years ago
You draw back on the piston of a pump and the volume of air in the pump doubles. Which of the following happens?
ohaa [14]

Answer: The correct answer is Option C.

Explanation:

We are given a piston of a pump, which means that there is no loss of the air. and there is a change in pressure and volume but temperature of the system remains constant.

As, the pressure of the system increases, there will be more number of particles. So, the number of collisions per unit area will increase.

\text{Number of collisions}\propto \text{Pressure}

But in the question, volume gets doubled. So, the pressure will be determined by using Boyle's Law:

P\propto \frac{1}{V}

V_2\rightarrow 2V_1

where, V_1\text{ and }V_2 are the initial and final volume respectively.

Putting the change in volume in above equation, we get:

P_2=\frac{1}{2V_1}\\\\P_2=\frac{1}{2}P_1

where, P_1\text{ and }P_2 are the initial and final pressure respectively.

As, the pressure is reduced to half of the initial pressure. So, the number of collisions per unit area will also be reduced to one-half.

Hence, the correct answer is Option C.

5 0
3 years ago
Read 2 more answers
What is the chemical formula of iron (II) sulfide would be: (EO S = +2 and EO Fe = +2). please
Anni [7]

Answer:

FeS

Explanation:

The reason why their is no subscripts is because as put in the question, the charges are equivalent. As you can see, +2 and -2 equal each other out.

Note: S has a charge of -2, not +2. (Look at oxidation rules.)

7 0
4 years ago
A) Balance the equation below.
Advocard [28]

Answer:

254.7 g

Explanation:

Hg(ONC)2 -----------> Hg + N2 + 2CO

In every problem of stoichiometry, we must commence with writing the balanced reaction equation as a guide to our calculation. Once we have written the reaction equation, we can now proceed with the solution.

Amount of CO produced= mass of CO produced/ molar mass of CO

Molar mass of CO = 28 gmol-1

Mass of CO produced= 50.2g

Amount of CO produced= 50.2g/28gmol-1

Amount of CO produced= 1.79 moles of CO

From the reaction equation:

1 mole of Hg(ONC)2 produced 2 moles of CO

x moles of Hg(ONC)2 will produce 1.79 moles of CO

x= 1.79 × 1 / 2

x= 0.895 moles of Hg(ONC)2

Molar mass of Hg(ONC)2 = 284.624 g/mol

Mass of Hg(ONC)2 = number of moles × molar mass = 0.895 moles × 284.624 g/mol

Mass of Hg(ONC)2 = 254.7 g

3 0
3 years ago
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