During the reproduction of a species of butterflies, a mutation occurs that makes the offspring more visible to predators. Is this a positive or negative mutation? How do you predict this mutation will affect the long term survival of the species? Justify your response in two or more complete sentences.

Answers

Answer 1

Answer:

This is an example of negative mutation. Negative mutations produce a phenotype that acts antagonistically to the wild-type phenotype. On the other hand positive mutation produce a phenotype that acts synergistically to the wild-type phenotype.

The negative mutation will negatively affect the long term survival of the butterfly species as the mutation makes the new butterfly offsprings more visible to predators.

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What can the bromine be classified as

Answers

I think maybe a liquid if thats what you mean but it can easily become a gas because it evaporates eaisily .

What is a polar molecule

Answers

Answer:

Here, I hope this helps

Explanation:

Answer:

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Explanation:

A polar molecule is a chemical species in which the distribution of electrons between the covalently bonded atoms is not even. Each atom has a certain electro-negativity. When bonded to another atom, the atom with the higher electro-negativity will tend to attract more electrons.

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases?A) Weak electrolytes do not dissolve in water and can not conduct electricity.
B) Weak electrolytes dissolve and partially dissociate in water providing charged ions to conduct electricity.
C) Weak electrolytes dissolve and completely dissociate in water providing charged ions to conduct electricity.
D) Weak electrolytes dissolve and does not dissociate in water providing no charged ions to conduct electricity.

Answers

Answer: B) Weak electrolytes dissolve and partially dissociate in water providing charged ions to conduct electricity.

Explanation: Weak electrolytes are those substances which do not dissociate completely when dissolved in water. They dissociate but then associate back and thus their dissociation is shown by an equilibrium sign. Example: $CH_3COOH$

$CH_3COOH\rightarrow CH_3COO^-+H^+$

The charged species formed helps in the conduction of electricity.

Strong electrolytes are those substances which dissociate completely when dissolved in water. Their dissociation is shown by a forward arrow. Example: $NaOH$

$NaOH\rightarrow Na^++OH^-$

The charged species formed helps in the conduction of electricity.

B. Weak electrolytes are weak because they only partially dissociate into ions in water.

In the summer, your tires will increase in volume due to the warm temperatures, so you may need to check your tire pressure. This is an example of _____.

Answers

Temperature is directly proportional to to Volume.

An average home in Colorado requires 2.00 x 107 KJ of heat per month. How many grams of natural gas (methane) must be burned to supply this energy?CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH°rxn= –890.4 kJ/mol

Answers

Answer:

3.6*105g CH4

Explanation:

The detailed solution is shown on the image. From the detailed chemical reaction, we calculate the mass of methane required in the standard combustion reaction of methane and use it to estimate the mass required to produce the quantity of heat required in the question.

Final answer:

To supply the energy needed for an average home in Colorado, approximately 3.58 x 10^8 grams of natural gas (methane) must be burned.

Explanation:

To calculate the amount of natural gas (methane) required to supply the energy needed for an average home in Colorado, we can use the balanced chemical equation for the combustion of methane:

CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)

The molar enthalpy change for this reaction (ΔH°rxn) is -890.4 kJ/mol. First, we need to convert the energy requirement from kilojoules to joules:

2.00 x 107 kJ = 2.00 x 1010 J

Next, we can use the molar enthalpy change to calculate the number of moles of methane required:

moles of CH4 = energy requirement / mlar enthalpy change

moles of CH4 = 2.00 x 1010 J / (-890.4 kJ/mol)

Finally, we can convert the number of moles of methane to grams using the molar mass of methane:

molar mass of CH4 = 12.01 g/mol + 4(1.008 g/mol) = 16.04 g/mol

grams of CH4 = moles of CH4 * molar mass of CH4

Therefore, the number of grams of natural gas (methane) that must be burned to supply this energy is approximately:

grams of CH4 = (2.00 x 1010 J / (-890.4 kJ/mol)) * 16.04 g/mol

Simplifying the calculation:

grams of CH4 ≈ 3.58 x 108 g

Learn more about Amount of natural gas required here:

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An unknown solution has a ph of 8. how would you classify this solution? a. acidic
b. neutral
c. basic
d. there is not enough information to answer the question

Answers

I believe the correct answer from the choices listed above is option C. You would classify this solution as basic since it has the pH of more than 7 which signifies a basic solution. Hope this answers the question. Have a nice day. Feel free to ask more questions.

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