Select all the ways in which two substances can be different.

Chemistry

1 answer:

White raven [17]4 years ago

5 0

Answer:

i dont know

Explanation:

i wish i did

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40.00 grams of NaOH is added into distilled water and diluted with water to 1000mL of final volume. What is the final concentrat

tatyana61 [14]

Answer:

The molar mass of NaOH is 40.00 g/mol.

The number of moles of NaOH is equal to the ratio of its mass to molar mass.

The number of moles of NaOH =

40 g/mol

40 g

=1,000 mol

The molarity of NaOH solution is the ratio of number of moles of NaOH to total volume of solution in L.

1 L

1 mol

=1 M

Explanation ;)

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3 years ago

Give an example of traits in a population that have changed in response to an environmental change.

mixer [17]

Answer:

When those traits change over time through many generations in response to changes in environmental conditions, scientists call that process adaptation. In the example of beetle color above, the yellow color trait supported successful survival and reproduction in the new environment.

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3 years ago

What are limitations of a conclusion? I am doing a science lab write-up and under the conclusion it asks for limitations of the

enyata [817]

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3 years ago

The second-order rate constant for the dimerization of a protein (P) P + P → P2 is 6.2 × 10−3/M · s at 25°C. Part 1 out of 2 If

siniylev [52]

Answer:

$r=1.59\times 10^{-10}\ M/s$

Explanation:

According to the law of mass action:-

The rate of the reaction is directly proportional to the active concentration of the reactant which each are raised to the experimentally determined coefficients which are known as orders. The rate is determined by the slowest step in the reaction mechanics.

Order of in the mass action law is the coefficient which is raised to the active concentration of the reactants. It is experimentally determined and can be zero, positive negative or fractional.

The order of the whole reaction is the sum of the order of each reactant which is raised to its power in the rate law.

From the reaction given that:-

$P+P\rightarrown P_2$