Quickly please! Which is a group of tissues that work together to carry out a common function?

cell
organ
organelle
organ system

Answer:

1.29

Explanation:

You have to find the equation which is d=m/v. d is 9.43=12.2/v. You have to solve for v which you get 1.29

1.29 \(cm^3\) is the volume of a 12.2 g piece of metal with a density of 9.43 g/cm.

Density is the measurement of how tightly a material is packed together.

Density =Mass ÷ volume

9.43=12.2 ÷  V

V = 1.29 \(cm^3\)

Hence, 1.29 \(cm^3\) is the volume of a 12.2 g piece of metal with a density of 9.43 g/cm.

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Answer:

a. The Zn and HCl both retained their identity.

Answer:

Idon't know if this helps but I think it is a linear structure and if I am wrong I am so sorry

The number of lithium, Li atoms in 4.5 moles of lithium, Li is 2.7×10²⁴ atoms

1 mole of Li = 6.02×10²³ atoms

From Avogadro's hypothesis given above,

1 mole of Li = 6.02×10²³ atoms

Therefore,

4.5 moles of Li = 4.5 × 6.02×10²³

4.5 moles of Li = 2.7×10²⁴ atoms

Thus, we can conclude that 2.7×10²⁴ atoms are present in 4.5 moles of lithium.

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You can put it in a very strong magnetic field.

Answer:

H2O is the formula of water

Answer:

H²O is formula of water

Explanation:

2 molecule of hydrogen and 1 molecule of oxygen

Answer:

The answer is "\(\bold{\log \frac{[0] mole}{[R]mole}}\)"

Explanation:

\(E_{cell} =E_{cell}^{\circ} - \frac{0.0591}{n}= \log\frac{[0]}{[R]}\\\)

In the above-given equation, we can see from \(E_{ceu}\), of both oxidant \(conc^n\)as well as the reactant were connected. however, weight decreases oxidant and reduction component concentration only with volume and the both of the half cells by the very same factor  and each other suspend

\(\to \log \frac{\frac{\text{oxidating moles}}{25 \ ml}}{\frac{\text{moles of reduction}}{25 ml}} \ \ = \ \ \log \frac{\frac{\text{oxidating moles}}{30 \ ml}}{\frac{\text{moles of reduction}}{30 ml}} \\\\\\\)

\(\to {\log \frac{[0] mole}{[R]mole}}\)

The cell potential of the electrochemical reaction has been the same when the volume has been reduced from 30 mL to 25 mL in each half cells.

The cell potential has been given as the difference in the potential of the two half cells in the electrochemical reaction.

The two cells has been set with the concentration of solutions in the oxidation and reduction half cells.

The cell potential has been changed when there has been a change in the potential of the half cells.

The volume of 30 mL to the solution has been, resulting in the cell potential difference of x.

With the volume of 25 mL, there has been the difference in the potential being similar to the 30 mL solution, i.e. x.

Thus, the cell potential of the electrochemical reaction has been the same when the volume has been reduced from 30 mL to 25 mL in each half cells.

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Explanation:

Since 10mm is 1cm

Therefore 7.60cm is 760mm

Since 1 inch is 2.54cm

Therefore 7.60cm is 3.10 inches

B) Al because the large difference between the third and forth ionization energies.

What is ionization energy?

Ionization energy (also called ionization potential) is the amount of energy required to remove an electron from an isolated atom or molecule in chemistry and physics. There is an ionization energy for each successively removed electron. However, the ionization energy associated with the removal of the first (most loosely held) electron is most commonly used.

The ionization energy of a chemical element, expressed in joules or electron volts, is usually measured in a discharge tube in which rapidly moving electrons produced by an electric current collide with gas atoms of the element, releasing one of them will be electronic.

B) Al because the large difference between the third and forth ionization energies.

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Answer:

6

Explanation:

Answer:

34.5J

Explanation:

Amount of Heat(Q) = mc∆T

where m (mass of aluminum) = 5.50g

c (specific heat capacity of aluminum) = 0.897J/g°C and ∆T = 95.0°C - 25.0°C = 70.0°C

Q = 5.50x 0.897x 70.0

= 34.5354J = 34.5J

The amount of heat absorbed when 5.50 g of aluminum is heated from 25.0°C to 95.0°C is 34.5 J.

Heat is defined as a form of the energy transmitted from one body to another as a result of a temperature difference.

It can also be defined as the potential energy stored in the bonds that hold the object's particles together.

Heat absorption is defined as absorption of heat without increasing the temperature at the certain point.

Amount of heat = mcΔT

Where m = 5.50g

           c = 0.897 J/g °C

           ΔT =  95.0°C - 25.0°C

                 = 70.0°C

So, amount of heat = 5.50 x 0.897 x 70.0

                                = 34.5354 J = 34.5 J

Thus, the amount of heat absorbed when 5.50 g of aluminum is heated from 25.0°C to 95.0°C is 34.5 J.

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The final volume of the ladybug's prison is approximately 0.4 liters.

To determine the final volume of the ladybug's prison, we can use Boyle's Law, which states that the pressure and volume of a gas are inversely proportional at constant temperature. The equation for Boyle's Law is:

P1 * V1 = P2 * V2

Where P1 and V1 are the initial pressure and volume, and P2 and V2 are the final pressure and volume, respectively.

In this scenario, the initial volume (V1) is given as 0.5 L, and the initial pressure (P1) is 1 atm. The final pressure (P2) is 1.25 atm. We need to find the final volume (V2).

Plugging the given values into the equation, we have:

1 atm * 0.5 L = 1.25 atm * V2

Simplifying the equation, we find:

0.5 L = 1.25 atm * V2

Dividing both sides of the equation by 1.25 atm, we get:

0.5 L / 1.25 atm = V2

V2 ≈ 0.4 L

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The volume of \(N_2O_5\) needed to produce 9.64 L of \(NO_2\) is 4.97 L, calculated using stoichiometry and the ideal gas equation.

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The diagram shows a picture of a compound.

A compound is a substance that is made up of two or more different elements that are chemically bonded together in a specific ratio.

This means that the elements are combined in a way that creates a new substance with different physical and chemical properties than the individual elements.

Compounds can be formed through a variety of chemical reactions, such as combining elements through a chemical bond or through a reaction between an acid and a base.

So for the given diagram, we can see that it represents two or more elements chemically combined.

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Answer: It decreases.

Explanation:

The molar solubility of CuS is 7.8 x 10⁻¹⁹ M.

The solubility product expression for CuS is:

Since CuS dissociates to form one Cu²⁺ ion and one S²⁻ ion, the molar solubility of CuS can be represented as x. Therefore, at equilibrium:

Substituting these values in the Ksp expression:

Solving for x, we get:

Therefore, the molar solubility of CuS is 7.8 x 10⁻¹⁹ M.

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The complete question is:

Calculate the molar solubility, S , of CuS if it has a Ksp value of 6×10⁻³⁷.

Answer:

The correct answer to the following question will be "0.0013%".

Explanation:

The given values are:

Weight of an empty dish = 1.0041 ± 0.0002 g

Weight of dish + sodium chloride (NaCl) = 3.2933 ± 0.0002 g

Weight of NaCl = 2.2892 ± 0.0002 g

Now,

Volume of the solution = 500.00 ± 0.05 ± 0.0002

                                      = 500.00 ± 0.0502 ml

So,

Molarity = \(\frac{W \ NaCl}{M \ NaCl} \times \frac{1000}{Volumes \ of \ solution}\)

On putting the values in the above formula, we get

             = \(\frac{(2.2892\addeq +0.0002)}{58.440}\times \frac{1050}{(500.00+0.0502)}\)

             = (\(3.917\) ± \(0.0002\)) × (\(2\) ± \(0.0502\))

             = (\(0.7834\) ± \(.00001004\))

Now,

Absolute error = \(\frac{0.00001004}{0.7834}\times 100\)

                         = \(0.0013\)%

Mass of Iodine-125 remaining undecayed after 315 days is 8.28 g.

The mass of iodine-125 which will remain undecayed if 315 days have passed is determined as follows:

Half-life of Iodine-125 = 60 days

Number of half lives in 315 days is to be determined.

315 days = 300 days + 15 days

Number of half lives in 300 days = 300 / 600

Number of half lives in 300 days = 5 half lives

Number of half lives in 15 days = 15 / 60

Number of half lives in 15 days = 1/4 half lives

After 5.25 half lives, amount remaining = (0.5)⁵°²⁵ = 0.02628

Mass remaining undecayed = 0.02628 * 315

Mass remaining undecayed = 8.28 g

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Complete question:

The half-life of iodine-125 is 60 days and an initial mass of 300 g is present.. If 315 days have passed how many grams of iodine-125 will remain undecayed

The total amount of heat generated is 207.5 J, under the condition that the given sample possess 64.2-g sample of this substance with a specific heat of 50.6 J/(kg•°C).

The heat needed to change the temperature of a substance can be evaluated applying the given formula

q = m × c × ΔT

Here

q = energy added,

m = mass of the substance,

c = specific heat capacity of the substance

ΔT = change in temperature.

Then we can proceed by calculating the heat required to change its temperature from 180.0 °C to 244.0 °C by converting the mass of the substance from grams to kilograms

m = 64.2 g = 0.0642 kg

Then, we can evaluate the change in temperature

ΔT = (244.0 °C - 180.0 °C)

= 64.0 °C

Lastly, we can apply the formula above to evaluate the heat required

q = m × c × ΔT

= (0.0642 kg) × (50.6 J/(kg•°C)) × (64.0 °C)

= 207.5 J

Hence, 207.5 J of heat is required to change the temperature of this substance from 180.0 °C to 244.0 °C.

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Answer: yes it it balanced you have 2 atoms on both sides of the equation

Explanation:

Answer:

The assumption is quite reasonable.........

A lightbulb contains Ar gas at a temperature of 295K and at a pressure of 75kPa. The light bulb is switched on, and after 30 minutes its temperature is 418 K. What is a numerical setup for calculating the pressure of the gas inside the light bulb at 418K?

Explanation:

P

1

T

1

=

P

2

T

2

given constant

n

, and constant

V

, conditions that certainly obtain with a fixed volume light bulb.

And so

P

2

=

P

1

T

1

×

T

2

=

75

⋅

k

P

a

295

⋅

K

×

418

⋅

K

≅

100

⋅

k

P

a

.

Had the light bulb been sealed at normal pressure during its manufacture, what do you think might occur when it is operated?

When two solutions are mixed, the concentration of the resulting solution will depend on the volumes and concentrations of the two original solutions.

The final concentration can be calculated using the following formula:

Cfinal = (C1V1 + C2V2) / (V1 + V2)

where C1 and C2 are the concentrations of the two solutions, V1 and V2 are their volumes, and Cfinal is the concentration of the final solution.

In this case, one solution has a concentration of 2.00 M, and the other has a concentration of 4.00 M. Let's assume that we have much more of the 4.00 M solution, and that we mix 100 mL of the 2.00 M solution with 400 mL of the 4.00 M solution. We can calculate the resulting concentration of the mixed solution as follows:

Cfinal = (2.00 M x 100 mL + 4.00 M x 400 mL) / (100 mL + 400 mL) = 3.20 M

Therefore, a possible concentration of the final solution is 3.20 M. The actual concentration of the mixed solution will depend on the volumes and concentrations of the original solutions used.

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All of the above — plants need light, chlorophyll, and carbon dioxide to perform photosynthesis, a chemical reaction producing glucose (which provides energy for the plant.)

Answer:

Budding in yeast is primarily a biological process

Answer:

milliliter

Explanation:

smallest form of measuring volume from all the available choices

Answer:

atom &bond

Explanation:

atom is strong due to the bond

Answer:

its keplers first law

Explanation:

answer from gauth math