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3 years ago

6

Which of the following is NOT an effect of human development on the Everglades?

2 answers:

Fofino [41]3 years ago

4 0

Answer: I think its A

Explanation:

Molodets [167]3 years ago

3 0

I’m pretty sure the answer is A

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Red wavelengths are ____ theb blue wavelengths

Alex_Xolod [135]

Answer:

stronger/ brighter, thats why red is first on the rainbow

Explanation:

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In the equation for the formation of magnesium sulfide shown, which atom gains electrons?

Zarrin [17]

S + 2e⁻ → S²⁻ (sulfur will gain electrons)

Mg - 2e⁻ → Mg²⁺ (magnesium will lose electrons)

Magnesium is a metal which tends to give electrons which are received by the sulfur, which is a nonmetal and tends to gain electrons.

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3 years ago

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A quantity of gas weighing 7.1 g at 741 torr and 44 celius occupies 5.41 L. Find its molar mass.

Aleks04 [339]

1 atmosphere = 760 torr
R = 0.082
44 degrees Celsius = 317 degrees Kelvin

$PV=NRT\\ \frac{744}{760}(5.41)=N(0.082)(317)\\ \frac{4025.04}{760}=25.994N\\\frac{4025.04}{19755.44}=N\\N=\frac{50313}{246943}\\0.203743$

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3 years ago

Someone pls help rn!!

krok68 [10]

Answer:

280

Explanation:

total pressure=partial pressure (He)+partial pressure (N2)+partial pressure (H2)

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Find the kinetic energy of a boy of mass 6.5kg running at a velocity of 6.0m/s

romanna [79]

Explanation:

Given,

Mass(m)=6.5kg

Velocity(v)=6 m/s

K.E.=1/2×mv^2

=1/2×6.5×6^2

=1/2×6.5×36

=117 J

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3 years ago