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Sergeeva-Olga [200]
3 years ago
7

Name one benifit and one limitation of comparative investigations​

Chemistry
1 answer:
weeeeeb [17]3 years ago
8 0

Answer:

Limitation of comparative investigation is that when it is done on a huge population, huge amount cost is required. Explanation: Benefit of comparative investigation is that we can get descrete information about specific breed or species. It is important for the study of behaviour of many organisms.

Explanation:

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The breaking down and changing of rocks at or near Earth's surface is called _____.
vodomira [7]
The answer is weathering
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4 years ago
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A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br2(g) + I2(g) 2IBr
blagie [28]

Answer:

The answer to your question is K = 1.48

Explanation:

Balanced chemical reaction

                   Br₂   +   I₂    ⇒    2IBr

Process

1.- Calculate the concentration of each of the reactants

[Br₂] = 0.6 mol  / 1  L

        = 0.6 M

[I₂] = 1.6 mol / 1 L

     = 1.6 M

[IBr] = 1.19 M

2.- Write the equation of the Equilibrium constant

      K = [IBr]² / [Br₂][I₂]

-Substitution

      K = [1.19]² / [0.6][1.6]

- Simplification

      K = 1.4161 / 0.96

- Result

      K = 1.48

5 0
3 years ago
If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L
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What fundamental building block makes up all matter in the universe
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Write the equation for the reaction described: A solid metal oxide, , and hydrogen are the products of the reaction between meta
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Answer:

Pb + 2H2O --> PbO2 + 2H2

Explanation:

Products:

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Reactants:

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Reactants --> Products

Pb + H2O --> PbO2 + H2

Upon balancing we have;

Pb + 2H2O --> PbO2 + 2H2

4 0
3 years ago
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