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artcher [175]
3 years ago
10

This organism breaks down nonliving matter into energy-rich compounds giving it back to the soil is called a​

Chemistry
1 answer:
salantis [7]3 years ago
7 0

Answer:

A decomposer

Explanation:

An organism like a fungus or a worm breaks down dead, nonliving matter which ends up giving nutrients back into the soil.

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Consider pure water separated from an aqueous sugar solution by a semipermeable membrane, which allows water to pass freely but
mojhsa [17]

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it will be the same on both sides of the membrane

7 0
3 years ago
Why are the optimum conditions for the Haber process a temperature of 450°C and pressure of 200 atmospheres?
Novay_Z [31]

Answer:

See explanation.

Explanation:

Hello,

Haber process is defined as the widely acknowledged productive process of ammonia by the reaction:

N_2(g)+3H_2(g)\rightleftharpoons 2NH_3(g)

Which is carried out in gaseous phase. Thus, by means of the Le Chatelier's principle, it is possible to know that its standard enthalpy of reaction is -45.90 kJ/mol (NIST webbook) for which it is an exothermic chemical reaction, for that reason less ammonia will be produced at high temperature, nonetheless, the temperature should not be too low since the reaction rate significantly decrease, therefore, the optimum found temperature is 450 °C.

Moreover, since there are more moles (3+1=4) at the reactants and less moles at the products (2), increasing the pressure of the reaction increases the yield of ammonia, nonetheless, higher pressures involve the purchasing of more expensive equipment to withstand the high-pressures, for that reason, the best found pressure has been set as 200 atm.

Best regards.

8 0
4 years ago
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A small rock is heated and placed in a foam cup calorimeter containing 15.0 mL of water at 25.0*C. The water reaches a maximum t
REY [17]

Answer:

a

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7 0
3 years ago
What is the mass, in grams, of a sample of 6.98 × 1024 atoms of magnesium (Mg)?
monitta
N=6.98*10²⁴
Nₐ=6.022*10²³ mol⁻¹

n(Mg)=N/Nₐ

m(Mg)=n(Mg)M(Mg)=M(Mg)N/Nₐ

m(Mg)=24.3g/mol*6.98*10²⁴/(6.022*10²³mol⁻¹)=281.7 g
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3 years ago
Name the method that used to separated <br><br> amino acids from fruit juice solution
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Using the method chromatography
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3 years ago
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