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3 years ago

An inherited behavior that helps an animal meet its needs

Chemistry

1 answer:

Sergeeva-Olga [200]3 years ago

4 0

Answer:

the answer is adaptations

Explanation:

A body part or behavior that helps an animal meet its need in its environment is called an adaptation. All adaptions are inherited traits. Camouflage is an animal's color or pattern that help it blend in with its surroundings.

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A widow's peak is a V-shaped area of the hairline in the center of the forehead. The allele for having a widow's peak is dominan

Flauer [41]

None. Since it is dominant, both would have to show it to pass in on.

8 0

3 years ago

Read 2 more answers

Given the following values for the change in enthalpy (deltaH) and entropy (deltaS), which of the following processes can occur

Shtirlitz [24]

Answer:

Option A and B

Explanation:

(a) DeltaH = -84 kj mol-2 (-20 kcal mol-1), DeltaS = +125j mol-2K-1)(+30 cal mol-1 K-1)

Delta G = Delta H – T * DS

Substituting the given values, we get –

Delta G = -84 -298 *(125/1000) = -121.25 KJ/mol

Delta G is negative hence the process is spontaneous and will not violate the second law of thermodynamics

(b) DeltaH = -84 kj mol-2 (-20 kcal mol-1), DeltaS = -125j mol-2K-1)(-30 cal mol-1 K-1)

Delta G =-84 -298 *(-125/1000) = -46.75 KJ/mol

Delta G is negative hence the process is spontaneous and will not violate the second law of thermodynamics

Delta G = 84 -298 *(125/1000) = +46.75 KJ/mol

Delta G is positive hence the process is non-spontaneous and will violate the second law of thermodynamics

(d) DeltaH = +84 kj mol-2 (+20 kcal mol-1), DeltaS = +125j mol-2K-1)(-30 cal mol-1 K-1)

Delta G = 84 -298 *(-125/1000) = + 121.25 KJ/mol

Delta G is positive hence the process is non-spontaneous and will violate the second law of thermodynamics

6 0

3 years ago

A student submits the following work on the mass number, but he has made a few mistakes. Select the sentences that are incorrect

rewona [7]

Answer

Calculating the mass number for an atom requires that we know the atomic number and the number of protons in the atom’s nucleus. The mass number then gives us the average weight of atoms of a given element. However, as long as the number of protons equals the number of neutrons, the values balance out and we always obtain a whole number for the mass number.

Explanation:

those 3

7 0

4 years ago

Why are solutions considered mixtures?

Alex_Xolod [135]

Solute and solvent form a solution, which means two different kinds of molecules/atoms/compounds are mixed together, therefore, it is a mixture.

6 0

3 years ago

A serving of fish contains 50 g of protein and 4 g of fat . if protein has a caloric value of 4.0kcal/g and fat has 9.1 kcal/g ,

weqwewe [10]

Answer:

2.4x10² kcal

Explanation:

As the serving of fish contains 50g of protein that is 4.0kcal/g:

50g × (4.0kcal/g) = 200kcal

And in 4g of fat that is 9.1kcal/g:

4g × (9.1kcal/g) = 36.4kcal

That means the kcal of the serving are:

200kcal + 36.4kcal = 236.4kcal

In 2 significant figures: 2.4x10² kcal

I hope it helps!

8 0

3 years ago