6. A father rabbit had long ears while the mother rabbit had short ears. Which of these statements
explains why one of the baby bunnies could have long ears?
a
The baby bunny inherited its copies of the gene for ear length from its father and not from
its mother. Those genes connect together to make its ears long.
b
The baby bunny inherited its copies of the gene for ear length from its father and not from
its mother. Just like its father's genes, those genes instruct for proteins that connect in
ways that make its ears long.
С
The baby bunny inherited one copy of the gene for ear length from its father and one copy
from its mother. That gene combination instructs for proteins that connect in ways that
make long ears.
d
The baby bunny inherited one copy of the gene for ear length from its father and one copy
from its mother. Those genes connect together to make its long ears.

Answer:b

Explanation: because it strongly

A negatively energised ion is called an anion. They have more electrons as opposed to protons.

They are created when the atom gains one or more electrons from another species and hence get negatively charged.

The correct answer is:

Option B. Mg²⁺

This can be explained by:

Therefore, Mg²⁺ will make the strongest ionic bond.

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Answer:

False

Explanation:

Mixtures are a solute and solvent that are not chemically combined, therefore easily separated. Solutions are a solute and solvent combined together.

A reducing chemical reaction adds an electron to the substrate.

Reduction is a term used to describe the yield of electrons, the accumulation of hydrogen, or the reduction of oxygen from the substrate.

When a reactant accumulates electrons during a reaction, it is called reduction. Reduction reactions include the addition of electrons to a substrate and the donor of the electrons is a reducing agent that itself brings oxidization. Therefore a reducing chemical reaction retains the addition of electrons to a substrate.

Oxidation-reduction (redox) reactions consist of the transfer of electrons between compounds while catabolic reactions are the type of reactions in which complex substances are split down into simpler units with the discharge of energy. Therefore these options are incorrect

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Using Hess's law, the standard enthalpies of reactant and product production can be used to determine the standard enthalpy change of any reaction.

A specific reaction is defined as the breakdown of all reactants into their standard state constituents followed by the production of all products. The sum of the standard enthalpies of formation of the products less the sum of the standard enthalpies of formation of the reactants is the standard enthalpy change for any chemical process. produced by Jay. This is the item that is currently chosen.

According to Hess's Law, no matter how many stages or steps there are in a reaction, the overall enthalpy change is the sum of all changes. Law provides evidence for enthalpy's status as a state function. Is known as Hess's Law.

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Answer: 87690.67

Explanation: I don't even know if that's correct but i tried and i got close to that answer the i looked it up to see if i did it correctly and it rounded it up to that sooooooooo.........yeah.

A gas bottle contains 8. 61×1023 oxygen molecules at a temperature of 359. 0 k then the thermal energy of the gas is 6.35KJ.

Thermal energy is the energy contained within a system which is responsible for its temperature. Heat is also termed as flow of thermal energy.

Thermal energy is directly proportional to the temperature. As temperature increase thermal energy increases.

Given,

temperature = 395K

Number of oxygen molecules= 8.61 × 10^(23)

Firstly we will calculate the number of moles = N/A

where A is the avagadro number = 6.022 × 10^(23)

number of moles = 8.61 × 10^(23)/6.022 ×10^(23)

number of moles = 1.42moles

Using the energy equation,

E = 3/2 × nRT

where R is the gas constant = 8.314J/molK

E = 3/2 × 1.42 × 8.314 × 359

= 6357.4J

= 6.35KJ

Thus, we found that the thermal energy of the gas is 6.35KJ.

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Answer: it would cause a serious shock

Explanation:

A chemical equation is a statement using chemical formulas that express both the identities and the relative quantity of the reactants and products involved in a chemical or physical change.

The chemical equation is said to be balanced if there are no inequalities.

The relative quantity is generally an absolute quantity divided by some other quantity. For example, in the previous excel file, one could calculate the percent of the adult population infected with HIV by dividing the number of adults with HIV by the total adult population of the country.

The main four types of reactions are direct combination, analysis reaction, single displacement, and double displacement.

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Here is the three observation about copper.

copper (Cu), chemical element, a reddish, extremely ductile metal of the  Group 11 (Ib) of the periodic table that is an unusually by its  good conductor of to the  electricity and heat. Copper of  to the found in the free metallic state in nature. This is  native copper was first by the  used .

The reaction between to the  copper carbonate and it is  sulphuric acid will be a great neutralization reaction. Copper carbonate will acts like as a base, however, sulphuric acid is an acid. This reaction can also be the  viewed as a double line displacement reaction too. By it's understand the nature of this reaction and what will be the final to  product of this reaction.

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Answer: So, You need to write about Solids Gases and Liquids so do something simple but very smart.....

Explanation:

YOU CAN DO IT!!!

The variations which exist in the fundamental atomic theories result in our understanding of potassium cyanide in such away atoms of potassium and cyanide are rearranged to form the compound potassium cyanide.

It happens that from our understanding in the atomic theories, atoms of chemical elements which forms a substance are very much alike in all aspects in mass.

In the case of potassium cyanide, the atoms of potassium and cyanide which forms the compound unite in fixed ratios.

So therefore, when the atoms of potassium and cyanide are regrouped and combined in fixed ratios, it forms potassium cyanide ( KCN) according to the atomic theory.

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Wet red litmus paper turns red when exposed to ammonia gas because ammonia is basic and reacts with the litmus indicator, turning it red.

Wet red litmus paper turns blue when inserted into a jar of ammonia gas. It is because ammonia is basic in nature. Litmus paper is a type of paper that changes color depending on the pH of a solution.

Litmus paper is a form of paper that changes color based on the pH of the solution in which it is placed. The pH scale ranges from 0 to 14. A pH of less than 7 is acidic, a pH of more than 7 is basic, and a pH of 7 is neutral.Wet red litmus paper changes its color to blue when exposed to a base, indicating the presence of hydroxide ions (OH-).

The color change occurs due to the existence of a color pigment in litmus paper known as litmus. When exposed to a base, the pigment interacts with hydroxide ions, causing the color change.Wet red litmus paper turns blue when inserted into a jar of ammonia gas. It is because ammonia is basic in nature.

Ammonia (NH3) is a common example of a base. It reacts with water molecules to create hydroxide ions (OH-) and ammonium ions (NH4+). When wet red litmus paper is put in a jar of ammonia gas, the hydroxide ions from the ammonia solution react with the litmus to turn it blue.

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Answer:

AHHHHHHHHH YOUR GAY I ALSO DONT KNOW THE ANSWER IM IN MIDDLE SCHOOL

Answer:

Es so es na formula pero te balto la convinasiones de la formula

Answer:

Yeah what he said about the questions

The molarity of a solution : 0.4 M

Given

0.2 moles of Potassium Oxide

500 ml of water = 0.5 L

Required

The molarity

Solution

Molarity is a way to express the concentration of the solution

Molarity shows the number of moles of solute in every 1 liter of solution or mmol in each ml of solution

\(\large{\boxed {\bold {M ~ = ~ \frac {n} {V}}}\)

Assume volume of solution = volume of water(addition of solution volume from volume Potassium Oxide is negligible

Input the value :

M = 0.2 : 0.5

M = 0.4

Answer:

c

Explanation:

C is the answer for increasing Atomic number

Answer:

2.0

Explanation:

Given data:

Mass of object = 60 ounce

Volume of object = 30 cups

Density = ?

Solution:

d = mass/ volume

d = 60 ounce/ 30 cup

d = 2.0 oz/cup

Thus, density of object is 2.0 oz/cup.

The total binding energy for lithium is 39.25 Mev

The binding energy per nucleon for lithium is 5.61 Mev / nucleon

    Binding energy is the total energy required for the breakdown of a nucleus to its component nucleons

    Total binding energy is the amount of energy released when the atom is formed from its constituent electron, protons and neutrons.

The given mass are lithium is 7.016004 u  and hydrogen is 1.007825

There are 3 hydrogen and 4 neutrons

To calculate the Total binding energy

3 ( 1.0782) +  4 ( 1.008665 ) = 7.058135 u

Mass of neutron is 1.008665 u

1 atomic mass unit is 931.5 Mev

TBe = ( 7.058135 - 7.016004 ) × 931.5

       = 39.25 Mev

Total binding energy is 39.25 Mev

BE= 39.25 / 7

    = 5.61 Mev / neucleon

Hence, The total binding energy is 39.25 Mev.

             The binding energy is 5.61 Mev / neucleon.

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Answer:

A. 7

(assuming the water is neutral)

The dosage of 26mg can be prepared using approximately 1.625 mL of the 40mg in 2.5 mL solution.

The dosage of 22mg can be prepared using approximately 1.222 mL of the 36mg per 2 mL strength solution.

To calculate the dosage using ratio and proportion, we can set up a proportion based on the strength of the solution.

40mg in 2.5 mL solution will be used to prepare a 26mg dosage.

Let X represent the mL of the solution needed to prepare the 26mg dosage.

We can set up the proportion as follows:

40mg/2.5mL = 26mg/X mL

Cross-multiplying and solving for X, we have:

40mg * X mL = 2.5mL * 26mg

40X = 65

X = 65/40

X ≈ 1.625 mL

For the second question:

36mg per 2 mL strength solution is used to prepare 22mg.

Let Y represent the mL of the solution needed to prepare the 22mg dosage.

We can set up the proportion as follows:

36mg/2mL = 22mg/Y mL

Cross-multiplying and solving for Y, we have:

36mg * Y mL = 2mL * 22mg

36Y = 44

Y = 44/36

Y ≈ 1.222 mL

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Based on the formula for calculating quantity of Heat, the student requires the mass, temperature change and the specific heat capacity of the reaction mixture.

The enthalpy change of a reaction is the amount of heat evolved or absorbed when reactant molecules react to form products.

In the use of a calorimetry to determine the enthalpy of a reaction, the law of conservation of energy is applied.

The quantity of Heat is calculated using the formula below:

Therefore, in addition to the masses of the solutions and the temperature change, the student requires the specific heat capacity of the reaction mixture.

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Answer:

Burning wood is a chemical change.  Burning wood is an example of a chemical reaction in which wood in the presence of heat and oxygen is transformed into carbon dioxide, water vapour, and ash.

Baking an apple pie is a physical change because the apples in the pie start changing physically and the pie crust starts hardening and rising up.

Explanation:

Answer: A biome is part of the biosphere. Biomes can influence each other. terrestrial biomes

Explanation:

Based on the given emission spectrum, we can deduce that the hypothetical atom with a single electron has three energy levels. Diagrams that satisfy the condition that the atom has three energy levels corresponding to the wavelengths of the emitted photons are:

1) The first diagram has energy levels of -0.5 eV, -1.13 eV, and -1.77 eV, respectively.

2) The second diagram has energy levels of -0.5 eV, -0.87 eV, and -1.15 eV, respectively.

The energy difference between these levels corresponds to the wavelengths of the emitted photons, as per the relationship E = hc/λ, where E is energy, h is Planck's constant, c is the speed of light, and λ is wavelength.

Two possible energy-level diagrams that could represent the structure of this atom are as follows:

1) The first diagram has energy levels of -0.5 eV, -1.13 eV, and -1.77 eV, respectively. These energy levels correspond to the wavelengths of the emitted photons: 248 nm, 413 nm, and 620 nm. The transitions between these levels are indicated by arrows, and the energy of the emitted photons is shown in eV. This diagram implies that the atom has a ground state and two excited states.

2) The second diagram has energy levels of -0.5 eV, -0.87 eV, and -1.15 eV, respectively. These energy levels also correspond to the wavelengths of the emitted photons: 248 nm, 413 nm, and 620 nm. The transitions between these levels are indicated by arrows, and the energy of the emitted photons is shown in eV. This diagram implies that the atom has a ground state and two metastable states.

Both of these diagrams satisfy the condition that the atom has three energy levels corresponding to the wavelengths of the emitted photons, and are therefore consistent with the given emission spectrum.

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Okay, here are the steps to solve this problem:

1) We are given the pressure (P) of argon at 2.17 atm and temperature (T) of 32°C.

2) We need to find the temperature at which the pressure increases to 2.83 atm.

3) For an ideal gas like argon, the pressure and temperature are directly proportional. We can use Boyle's Law:

P proportional to T (at constant volume)

4) Set up a proportion:

(2.17 atm) / (32°C) = (2.83 atm) / (x °C)

5) Solve for x:

x = (2.83 atm * 32°C) / (2.17 atm)

x = 43°C

Therefore, the argon gas sample will reach a pressure of 2.83 atm at 43°C.

Let me know if you have any other questions!

Answer:

<br> a) Barium chloride and sodium sulphate aqueous solutions react to give insoluble barium sulphate and aqueous solution of sodium chloride.

To make a 1.00 L pH 4.00 buffer, you must add 0.159 mol of NaOH to 0.200 mol of benzoic acid (C₆H₅COOH).

To calculate the moles of NaOH needed, we'll use the Henderson-Hasselbalch equation: pH = pKa + log([A-]/[HA]). First, find the pKa of benzoic acid, which is 4.20. Then, plug in the pH and pKa values: 4.00 = 4.20 + log([A-]/[0.200]).

Rearrange and solve for [A-], which represents the moles of benzoate ion (C6H5COO-) produced after NaOH is added: log([A-]/[0.200]) = -0.20, [A-]/[0.200] = 10^(-0.20), [A-] = 0.200 * 10^(-0.20). Calculate [A-] to get 0.159 mol. Since NaOH reacts with benzoic acid in a 1:1 ratio, you need 0.159 mol of NaOH for a pH 4.00 buffer.

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