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stira [4]
3 years ago
12

The study of how humans impact the environment is ?

Chemistry
2 answers:
lesya692 [45]3 years ago
5 0

Answer:

Anthropocene

Explanation:

The atmospheric scientist Paul Crutzen introduced the term "Anthropocene" in the mid-1970s. The term is sometimes used in the context of pollution emissions that are produced from human activity since the start of the Agricultural Revolution but also applies broadly to all major human impacts on the environment.

Ber [7]3 years ago
3 0

<em><u>Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. </u></em>

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When an atom of uranium-235 is bombarded with neutrons, it splits into smaller nuclei and produces a great amount of energy. thi
lilavasa [31]
It's nuclear fission: the splitting of the nucleus
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3 years ago
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What information about a molecule can you determine from its<br> chemical formula?
Ira Lisetskai [31]

Answer:

Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. The constituent elements are represented by their chemical symbols, and the number of atoms of each element present in each molecule is shown as a subscript following that element's symbol.

6 0
3 years ago
∆G° for the reaction of nitrogen with hydrogen to produce ammonia (see balanced chemical equation below) has a value of -33.3 kJ
Juliette [100K]

Answer:

-0.85KJ

Explanation:

Given N2(g) + H2(g) <--->2NH3(g)

Kp =[ P(NH3)]²/[P(H2)]³[P(N2)]

Where P is the pressure of the gas

P(H2)b= P(N2) = 125atm

P(NH3) = 200atm

Kp = 2²/(125)³(125)

Kp = 2.048 ×10^-6

∆G = -RTlnKp

R =0.008314 J/Kmol

T = 25 +273/= 298k

= 8.314 ×10^-3 × 298 × ln(2.048 ×10^-6)

= -0.008314 × 298 × (-13.099)

= 32.45KJ

∆G = ∆G° + RTlnKp

∆G = -33.3 + 32.45

∆G = -0.85KJ or -850J

3 0
4 years ago
__________ electrons are the most important electrons to an atom.
Pie

Answer:

Valence electrons are the most important electrons to an atom.

Explanation:

They will determine many of the atoms traits since they are involved in bonding with other atoms.

7 0
4 years ago
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A solution has [H+] = 2.35 × 10-3 M. Find the [OH-] for this solution
Aleks04 [339]

Answer:

[OH-] for this solution is 4.255*10^-12

Explanation:

We are given

[H+] = 2.35 × 10-3 M

we need to find the concentration of [OH-]

we know from Equilibrium

[H+][OH-] = 10^-14

[OH-] = 10^14/2.35*10^10^-3

[OH-] = 0.4255*10^-11

[OH] = 4.255*10^-12

Therefore the Concentration  of [OH-] for this solution is 4.255*10^-12

3 0
4 years ago
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