Where is the potential energy to run the plant?
A 3
B
4
С
1
D
2

Answer:

Electrolytes, particularly sodium, help the body maintain normal fluid levels in the fluid compartments because the amount of fluid a compartment contains depends on the amount (concentration) of electrolytes in it. If the electrolyte concentration is high, fluid moves into that compartment (a process called osmosis).

Explanation:

Answer:

Electrolytes are minerals in your body that have an electric charge. They are in your blood, urine, tissues, and other body fluids. Electrolytes are important because they help

Balance the amount of water in your body

Balance your body's acid/base (pH) level

Move nutrients into your cells

Move wastes out of your cells

Make sure that your nerves, muscles, the heart, and the brain work the way they should

Sodium, calcium, potassium, chloride, phosphate, and magnesium are all electrolytes. You get them from the foods you eat and the fluids you drink.

The levels of electrolytes in your body can become too low or too high. This can happen when the amount of water in your body changes. The amount of water that you take in should equal the amount you lose. If something upsets this balance, you may have too little water (dehydration) or too much water (overhydration). Some medicines, vomiting, diarrhea, sweating, and liver or kidney problems can all upset your water balance.

Treatment helps you to manage the imbalance. It also involves identifying and treating what caused the imbalance.

Answer:

See explanation

Explanation:

Infrared spectroscopy is concerned with transitions between vibrational energy levels. Each infrared active vibration leads to a change in dipole moment.

A ketone compound contains the -C=O group whose signal normally occurs at about 1710 cm-1.

A conjugated ketone is one in which the -C=O group is attached to the -C=C  group. This leads to delocalization and reduces the electron density of the C=O  double bond, which weakens this bond hence lowering the stretching frequency of the  -C=O bond from  1710 to about 1680cm-1.

Answer:

Hey this is your answer 59.05.

Explanation:

C) $18.06 \times {10^{23}}$ D) $24.08 \times {10^{23}}$ Hint: In order to find the number of atoms in 48 g of Mg, use the formula which relates the number of particles/atoms with the Avogadro number and number of moles of the substance and this required formula is: number of atoms = number of moles × Avogadro's number.

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A scientist is using robots to perform thousands of experiments on different chemical compounds to see how they affect cancer cells.This process is called Screening.

The method to test diseases and health condition of body used by scientist and doctor is called screening. The screening helps to find problem earlier and treat them.

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Answer: screening

Explanation:

766.7856 g

Molecular weight of Aluminium Nitrate is 212.996 g/mol. 3.6 moles of Aluminium Nitrate is: 212.996 × 3.6 = 766.7856

Answer: Metals

Explanation:

When an atom accepts an electron negative charge is created on atom and is called as anion.

When atom loses an electron positive charge is created on atom and is called as cation.

The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Thus metals form cations.

Answer:

See explanation

Explanation:

We first obtain the mole fraction of propane at the start and end;

0.01 = x/0.62 + 0.28 + x

0.01[0.62 + 0.28 + x] = x

0.01[0.9 + x] =x

9 * 10^-3 + 0.0.1x = x

9 * 10^-3 = x - 0.0.1x

9 * 10^-3 = 0.99x

x = 9 * 10^-3/0.99

x = 9.09 * 10^-3

After

For methane

0.62/ 0.28 + 0.62 + 9.09 * 10^-3     = 0.68

For ethane

0.28/0.28 + 0.62 + 9.09 * 10^-3       =0.31

Change in partial pressure of methane = (0.68 - 0.62) * 100kPa = 6 kPa

Change in partial pressure of ethane = (0.31 - 0.28) * 100kPa = 3 kPa

Change in partial pressure of propane= (0.01 - 0.1) * 100kPa = -9 kPa

Answer:

D. Nuclei with small masses combine to form nuclei with larger masses.

B. A small amount of mass in the nuclei that combine is converted to energy

Explanation:

A nuclear fusion, in contrary to fission, is the process by which the nuclei of two atoms combine to form a much larger atom with a large nuclei. Likewise, during a fusion reaction, a large amount of energy is released from the small amount of mass in the nuclei (two) that combines.

According to this question, the following are true of a fusion reaction:

- Nuclei with small masses combine to form nuclei with larger masses.

- A small amount of mass in the nuclei that combine is converted to enormous energy.

Answer:

18. E. 0%

19. D. 25%

Explanation:

Question 18:

Let's use "B" to represent the dominant allele of "light blue skin", and

"b" for recessive "light green skin".

Squidward => BB - light blue skin

Squidward's bride => bb - light green skin

When they cross, they will have the following offsprings:

(BB) × (bb) - Parent

(Bb) (Bb) (Bb) (Bb) - Offspring

All the offspring would be light green skin. The dominant allele of light green skin will express itself over the recessive allele.

Therefore, the chances of Squidward and his bride having light green skin is 0%

Question 19:

Squidward's son => Bb - light blue skin

Squidward's son's bride => Bb - light blue skin

(Bb) × (Bb) - parent

(BB) (Bb) (Bb) (bb) - offspring

They will have the following offspring:

BB and Bb - light blue - 75%

bb - light green - 25%

Chance of having offspring with light green skin is 25%

Answer:

See explanation

Explanation:

The law of conservation of matter states that "matter cannot be created or destroyed. In a physical change, substances can change form, but the total mass remains the same."(Virginia)

Hence, the quantity of matter present before and after the candle burn must remain the same in accordance with this law stated above.

Hence, my friend was not correct.

Answer:

A

Explanation:

Have a nice day

Answer: ummm what is this cause I don't get it either

Explanation:

i need help with this to lol

Answer:

B. X represents phosphorus

Explanation:

In an isotope symbol, you write the mass number above the atomic number. So the 31 represents the mass of the protons and neutrons of the element added together, and the 15 represents the atomic number or the total number of protons in the nucleus.

Answer:

Scientists develop knowledge by making observation about the natural world that may lead to a scientific question.

A scientific question may lead to a(n) hypothesis which can be tested.

The results of experimentation can lead to changes in scientific knowledge.

Explanation:

In the process of developing scientific knowledge, scientists carry out series of observations on what happens in the natural world. This helps them to develop scientific questions. These scientific questions drawn can then lead to hypotheses which are testable.

The testing process leads to experimentation. It is in this process that much scientific questions receive answers. Testing actually lies at the core of scientific inquiry for all scientists. Whatever hypothesis made must always be tested.

The result of the testing or experimentation brings changes in scientific knowledge.  

Answer:

5. a

Explanation:

Al+3FeO—> 3Fe+   Al2O3

                    3.60—>3.60÷3=1.20 (mol)

Answer:

State is shown inside the parenthesis.

s is for solid

aq is for aqueous solutions

l for liquid

Answer:

diffusion

Explanation:

plants have stomata at the bottom of their leaves. these allow for CO2 to diffuse in and out of the plant.

Answer:

[tex]2Al (s) + 3CuCl2( aq) --> 2AlCl3 (aq) + 3Cu(s)[/tex]

Explanation:

The main thing for this equation is to follow the amount on each side. Count each element on each side. Then by looking at the numbers figure out what numerical digit would make them equal.

For example:

On the left we have

Cu=1 and Cl=2.

But on the right we have

Cu=1 and Cl=3.

In order for them to be the same, we must add a coefficient of 3 to CuCl2 (aq0  on the left and a coefficient of 3 to Cu(s) on the right.

Answer:

P³⁻ + Cl⁻ --> PCl₃

Explanation:

PCl₃: phosphorus trichloride. prefix in front of chloride is "tri"–meaning three.

Answer:

phosphorus + chlorine = phosphorus trichloride

(He asked for word equation)

Answer:

All of the elements in a period have the same number of atomic orbitals.

Explanation:

Answer:

The limiting reactant is H₂

Explanation:

The reaction of hydrogen (H₂) and carbon monoxide (CO) to produce methanol (CH₃OH) is the following:

2H₂(g) + CO(g) → CH₃OH(g)

From the balanced chemical equation, we can see that 1 mol of CO reacts wIth 2 moles of H₂. So, the stoichiometric ratio is:

2 mol H₂/1 mol CO = 2.0

We have 500 mol of CO and 750 mol of H₂, so we calculate the ratio to establish a comparison:

750 mol H₂/500 mol CO = 1.5

Since 2.0 > 1.5, we have fewer moles of H₂ than are needed to completely react with 500 moles of CO. In fact, we need 1000 moles of H₂ and we have 750 moles. So, the limiting reactant is H₂.

The three ways in which travelers should be considerate when using public transport include the following:

This is the type of transport which is available to the general public such as trains, buses etc.

It is best to be considerate when using it by applying the following methods mentioned above to prevent disturbance and conflict.

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The group of choices associated with the given question are as follows:

Organisms once thought to be unrelated may be found to be related.

Mode of nutrition of some organisms may change.

Organisms that do not have a backbone may develop one.

All multicellular organisms may be found to be prokaryotes

Answer:

The correct answer would be - Organisms once thought to be unrelated may be found to be related

Explanation:

Classification of the organisms is based on the shared characteristics and structural or environmental similarities of the organisms which are modified and evolved during the period of time. It is also known as life sciences evolve and genetic code provides more accurate information.

These evolutionary changes and will lead to certain organisms that are once thought to be unrelated organisms that may actually be related based on a genetic code. These codes have every small and accurate change that occurs and can also find out when these changes occured.

It allows the beetles to escape from predators

Answer:

d.) add a catalyst

Explanation:

ae per I know this is Ur , but I am not sure so u check it

B. Reduce the concentration of a reactant

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Answer:

YES that is the molar mass can be found as the atomic mass of a single atom, BUT when you get to larger molecules your molar mass will be a combination of atomic masses.

Explanation: