Which of the following relations are functions?

Answer:

Nice

Explanation:

Answer:

thanks girl

Explanation:

Long-term (months or years) high blood sugar levels can cause irreversible harm to organs such the kidneys, blood vessels, eyes, nerves, and nervous system. Speak with your doctor or the diabetes care team if you frequently have hyperglycemia.

If left untreated, having excessive blood sugar levels for an extended length of time might lead to major health issues. In addition to raising the risk of heart disease, stroke, kidney illness, vision issues, and nerve issues, hyperglycemia can harm the blood arteries that provide blood to essential organs.

A high-fat, high-calorie, and high-cholesterol diet

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Answer:

I think you should, after you complete it and turn it in then you have nothing else to worry about! Get it out the way and do it :)

Answer:

Heres my advice. Dont wait exactly until the deadline.

Explanation:

If its the last assignment, be lazy. do what you want! but, if you only have a week to turn it in then do it on the 4th day then turn it in.

Answer:

The answer is the last one only.

Explanation:

Light/sun gives energy and growth which makes the plants leaves/plant grow bigger.

Explanation:

Without the sun, plants wouldn't get the food that's needed to grow, reproduce and survive. plants need sunlight, water and carbon dioxide to live.

Answer: use methods to clean up ocean oil spills

Explanation:

Answer:

Explanation:

its b, i looked it up

Answer:

0.011 moles of diene are in the crude oil

Explanation:

The mass of the oil is 2.5g and the M.W. of the diene is 136g/mol

The largest peak is the peak that has the higher percent concentration: That is the peak B with 60% by mass.

Knowing this we can find the mass of the diene using its percentage and with the mass and the molecular weight we can find its moles:

Mass Diene:

2.5g Oil * (60g Diene / 100g Oil) = 1.5g Diene are in the oil

Moles:

1.5g Diene * (1mol / 136g) =

Answer:

50.76 g/cm³

Explanation:

We'll begin by converting 18.361 Kg to g. This can be obtained as follow:

1 Kg = 1000 g

Therefore,

18.361 Kg = 18.361 Kg × 1000 g / 1 Kg

18.361 Kg = 18361 g

Next, we shall express the dimension in the same unit of measurement.

Dimension = 22.35 cm x 7.34 cm x 22.05 mm

Thus, we shall convert 22.05 mm to cm. This can be obtained as follow:

10 mm = 1 cm

Therefore,

22.05 mm = 22.05 mm × 1 cm / 10 mm

22.05 mm = 2.205 cm

Thus, the dimension is 22.35 cm x 7.34 cm x 2.205 cm.

Next, we shall determine the volume of the metal. This can be obtained as follow:

Dimension = 22.35 cm x 7.34 cm x 2.205 cm.

Volume = 361.728045 cm³

Finally, we shall determine the density of the metal. This can be obtained as follow:

Mass of metal = 18361 g

Volume of metal = 361.728045 cm³

Density of metal =?

Density = mass / volume

Density of metal = 18361 / 361.728045

Density of metal = 50.76 g/cm³

Guard cells are the plant cells that are specialized to perform the gaseous exchange in the leaves. It can be best represented by the model of the water balloon.

Guard cells are the part of the plant leaves and stem that are essential for the control and exchange of the water, oxygen, and carbon dioxide molecules from the cell environment to the surroundings.

It regulates the closing and the opening of the stomata that become curved when open to make a hole in the middle. When water is present inside the cells they swell making the cell look bulgy like the water in a balloon.

Therefore, the water balloon model best explains the guard cells.

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Functional group can be interconverted into each their by the means of suitable reagent. Functional group are responsible for the chemical and physical properties of a compound. Therefore in the below given ways compound can bee classified.

A group of atoms forming a component of a molecule that accounts for a particular function or chemical behavior is called a functional group. There are so many functional group in organic chemistry.

first compound--------  secondary (2°)

second compound--------------  secondary (2°)

third compound-------------------- tertiary (3°)

fourth compound ----------------primary (1°)

fifth compound---------------primary (1°)

Therefore in the above given ways compound can bee classified.

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Answer:

The velocity of the red car is 1 m/s.

Explanation:

Given that,

The mass of blue car, m₁ = 300 kg

The mass of red car, m₂ = 100 kg

The velocity of Blue car, v₁ = 300 kg

The total momentum of the system, p = 800 kg-m/s

The momentum of an object is given by :

p = mv

So,

[tex]m_1v_1+m_2v_2=p[/tex]

Where

v₂ is the velocity of red car. So,

[tex]v_2=\dfrac{p-m_1v_1}{m_2}\\\\v_2=\dfrac{800-300\times 3}{100}\\\\v_2=-1\ m/s[/tex]

So, the velocity of the red car is 1 m/s.

Answer:

1.24 × 10³ kPa

Explanation:

Step 1: Given data

Step 2: Calculate the final pressure of the gas in the can

If we assume that the gas in the can behaves as an ideal gas and that the temperature remains constant, we can calculate the final pressure of the gas using Boyle's law.

P₁ × V₁ = P₂ × V₂

P₂ = P₁ × V₁ / V₂

P₂ = 34.5 kPa × 473 mL / 13.16 mL = 1.24 × 10³ kPa

Answer:

0.631 grams is the theoretical yield of solid copper (Cu) that can be recovered at the end of the experiment

Explanation:

The concentration of the solution is given by :

[tex][C]=\frac{\text{Moles of compound}}{\text{Volume of solution in Liters}}[/tex]

We have:

Concentration of copper (II) nitrate solution = [tex][Cu(NO_3)_2]=2.41 M[/tex]

The volume of solution = 4.12 mL

1 mL= 0.001 L

[tex]4.12 mL= 4.12\times 0.001 L= 0.00412 L[/tex]

Moles of copper (II) nitrate in solution = n

[tex]2.41=\frac{n}{0.00412 L}=0.0099292 mol[/tex]

Moles of copper (II) nitrate in solution = 0.0099292 mol

1 Mole of copper(II) nitrate has 1 mole of copper then 0.0099292 moles of copper(II) nitrate will have :

[tex]1\times 0.0099292 mol= 0.0099292 \text{ mol of Cu}[/tex]

Mass of 0.0099292 moles of copper:

[tex]=0.0099292 mol\times 63.55 g/mol=0.63100 g\approx 0.631 g[/tex]

This mass of copper present in the solution is the theoretical mass of copper present in the given copper(II) nitrate solution.

0.631 grams is the theoretical yield of solid copper (Cu) that can be recovered at the end of the experiment

Answer:

gold and platinum

Explanation:

Very unreactive metals, such as gold and platinum, are found in the Earth's crust as pure metals. These are called native metals.

Answer:

Number of moles in 20.5 grams of calcium (Ca) = 0.5 moles (Approx.)

Explanation:

Given:

Amount of calcium (Ca) = 20.5 grams

Find:

Number of moles in 20.5 grams of calcium (Ca)

Computation:

Number of moles = Gram weight / Atomic weight of substance

We know that, Atomic weight of calcium (Ca) is 40.078 u

Number of moles in 20.5 grams of calcium (Ca) = Amount of calcium (Ca) / Atomic weight of calcium (Ca)

Number of moles in 20.5 grams of calcium (Ca) = 20.5 / 40.078

Number of moles in 20.5 grams of calcium (Ca) = 0.511

Number of moles in 20.5 grams of calcium (Ca) = 0.5 moles (Approx.)

Quantum number of the 3p¹ electron in aluminum is n=3.

Quantum numbers in quantum physics and chemistry explain the values of conserved quantities in a quantum system's dynamics. Quantum numbers are quantities that can be precisely known at the same time as the system's energy and are related to the eigenvalues of operators that commute with the Hamiltonian and their corresponding eigenspaces. A base state of a quantum system is fully described by the specification of all of its quantum numbers, which can theoretically be measured collectively.

The quantization of numerous interesting observable quantities is a crucial component of quantum physics.

This specifically results in quantum numbers, though they may occasionally reach infinity, that take values in discrete sets of integers or half-integers. This sets quantum mechanics apart from conventional mechanics.

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The hybridization of C in HCN is sp because, carbon is triple bonded to the nitrogen. Hybridization of N in HCN is also sp. Hybridization of nitrogen in NH₄ is sp³.

When tow atoms combines to form a molecules, the energy of individual atomic orbitals redistribute to form  hybrid orbitals of  equivalent energy. The type of hybridization s based on the on the involvement of s, p or d orbitals of the atom.

In HCN, carbon is triple bonded to nitrogen. Here, both s and p orbital contribution is 50%. Hence, both C and N in HCN in sp hybridized.

In NH₄, the nitrogen is sigma bonded to each hydrogen and the hybridization of N is sp³ here since, 3 p orbitals of nitrogen and one s orbital are involved.

In CH₃-,  C is sp² hybridized and in CH₃⁺ , C is sp³ hybridized. The C in C(CH₃)₄ is also sp³ hybridized where carbon involves sigma bonds with the methyl groups.

N in NH₃ is sp³ hybridized. Oxygen in water is sp² hybridized. When water abstracts one more proton forming H₃O⁺ , oxygen forms sp³ hybridized orbitals.

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Answer:

1.5236414197340638

Answer:

9,339,136 J

Explanation:

Convert km/hr to m/s:

(110km/s)(1000m/km)(1hr/60min)(1min/60s) = 30.56m/s

KE = (1/2)mv^2 = (1/2)(20,000kg)(30.56m/s)^2 = 9,339,136 J

The new volume of the gas will be 1.85L.

According to Boyle's Law, as pressure lowers, gas volume grows. According to Charles' Law, when the temperature rises, the volume of the gas also rises. Avogadro's Law also states that as the amount of gas increases, so does the volume of the gas.

Given, initial volume of gas V1 = 2L

initial temp T1 = 273K

initial pressure P1 = 101.3 kPa

final temperature, T2 = 500K

Final pressure, P2 = 200 kPa

let final or new volume be V,

now for a constant moles of gas,

by using ideal gas equation,

P1×V1/T1 = P2×V/T2

101.3×2/273 = 200×V/500

202.6/273 = 2V/5

V = 0.742×5/2

V = 1.85 L

The new volume of the gas will be 1.85L.

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Answer:

1. For a hot summer day, 35 degrees Celsius is most appropriate.

2. For room temperature, 20 degrees Celsius is most appropriate.

3. Aluminum's density is found by dividing mass by volume. 45 / 15 = 3 g/mL. The density is 3 g/mL.

4. Volume is found by multiplying length x width x height. 2cm x 5cm x 4cm equals 40 cm. We then divide the mass by volume to find density. 80 / 40 = 2 g/cm³. The density is 2 g/cm³.

Based on Van't Hoff's law, the osmotic pressure of 5% glucose solution with 0.2%, 0.9%, and 10% sodium chloride solutions is 0821 liter atm K1mol1).

Boyle, Van't Hoff The rule of solution: In a delute solution, the osmotic pressure () is directly proportional to the molar concentration (C) or inversely proportional to the volume (V) of the solution at constant temperature. Reason: C but C = Vn.

Pi=iMRT is the formula for osmotic pressure. The osmotic pressure increases with a solution's concentration (M) or temperature (T).

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Answer:

There is only a small amount of energy stored in food for the next organism because the other organisms have to share their food with other animals which will limit the amount of food if that makes sense. (Basically the primary and secondary consumers competing each other for food)

Explanation:

Answer:

There is only a small amount of energy stored in food for the next organism because the other organisms have to share their food with other animals which will limit the amount of food if that makes sense. (Basically the primary and secondary consumers competing each other for food)

Explanation:

Answer:

Energy is released as heat during the reaction.

Answer:

D. Energy is released as heat during the reaction.

Explanation:

Answer:

10

Explanation:

Note that if the water volume (ML) in a graduated cylinder is 30.0 and the volume of a drop of water is 1.00 and the number of drops is 15, the average drop volume (ML) is 2.0 mL.

Average drop volume is a measurement of a droplet's average volume. It is employed in a wide range of applications, including laboratory experimentation, medical research, and medication delivery systems.

It aids in deciding the proper amount of liquid to utilize in a certain condition. It also aids in the creation of novel pharmaceuticals and assuring exact and constant dosing in medical treatments.

You may calculate the average drop volume by dividing the total amount of water (30.0 mL) by the number of drops (15). That is to say:

(30.0 mL divided by 15 drops = 2.0 mL/drop)

Hence where the number of drops is 15mL and the volume of one drop is 1.00mL, the average Volume of a Drop is 2.0mL

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Answer:

use of sterile injections for clearanti bodies

Explanation:

Answer:

Hello There!!

Explanation:

They can be used in making products that make it lightweight such as in power tools and luggages.

hope this helps,have a great day!!

~Pinky~

Answer:

7

Explanation:

Given that the total charge is given by;

C =nq

Where;

n = number of charges

q = quantity of charge

Where the total amount of charge is  -1.12 x 10-18 C and the magnitude of each charge is  -1.602 x 10-19 C

Then the number of electrons is obtained from;

n =  -1.12 x 10-18 C/ -1.602 x 10-19 C

n = 7

Answer:

In humans, saturated fat intake increases LDL cholesterol in comparison with all nutrients except trans fats [2•]. Because saturated fat also increases high-density lipoprotein (HDL) cholesterol, the total cholesterol (TC) to HDL cholesterol ratio (a risk marker for CVD) is not altered. I would like Brainleist please!

Explanation: