3 years ago

Which of earth's spheres consists of all living things?

Chemistry

1 answer:

Lady bird [3.3K]3 years ago

4 0

"lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air)

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Which layer of the atmosphere is between the mesosphere and the exosphere?

Genrish500 [490]

C. Thermosphere is the correct answer

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2 years ago

2.5 piece of lithium is dropped into a 500 g sample of water at 22.1 C.ten temperature of the water increases to 23.5 C. How muc

Dominik [7]

Answer:

2.6 kJ

Explanation:

The formula for the amount of heat (q) absorbed by the water is

q = mCΔT

1. Calculate ΔT

ΔT = 23.5 °C - 22.1 °C = 1.4 °C

2. Calculate q

q₂ = mCΔT = 500 g × 4.184 J·°C⁻¹g⁻¹ × 1.4 °C = 2900 J = 2.9 kJ

3 0

4 years ago

In nature, one common strategy to make thermodynamically unfavorable reactions proceed is to couple them chemically to reactions

padilas [110]

Answer:

$\triangle G= -6.7 KJ/mol$

Explanation:

From the question we are told that:

Chemical Reactions:

X=A⇌B,ΔG= 14.8 kJ/mol

Y=B⇌C,ΔG= -29.7 kJ/mol

Z=C⇌D,ΔG= 8.10 kJ/mol

Since

Hess Law

The law states that the total enthalpy change during the complete course of a chemical reaction is independent of the number of steps taken.

Therefore

Generally the equation for the Reaction is mathematically given by

$T = +1 * X +1 * Y +1 *Z$

Therefore the free energy, ΔG is

$\triangle G=1 * \triangle G*X +1 * \triangle G*Y +1 * \triangle G *Z$

$\triangle G= +1 * (14.9) +1 * (-29.7) +1 * (8.10)$

$\triangle G= -6.7 KJ/mol$

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3 years ago

Write a scientific report on the clouds seeding using condensation nuclei and showing its relationship to saturated solutions.

Andrej [43]

Answer:

um thats tricky man

Explanation:

i dont even know what nuclei is

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3 years ago

What is propsed as evidence that supports the Big Bang Theory?

Stels [109]

The answer to your question is Hubble’s law

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3 years ago