7. Which diagram best represents the relative locations of the structures in the list below? A-chromosome B-nucleus C-cell D-gene can anyone help mesc​

The mass of the cast iron skillet must be approximately 2341.2 grams for optimal bacon frying.

To solve this problem, we can use the formula:
Q = m * c * ΔT
where Q is the heat energy absorbed by the skillet, m is the mass of the skillet, c is the specific heat of iron, and ΔT is the change in temperature.
We know that Q = 1.58 x 105 J, c = 0.450 J/g°C, ΔT = (178 - 22) = 156°C. We can plug these values into the formula and solve for m:
1.58 x 105 J = m * 0.450 J/g°C * 156°C
m = 1.58 x 105 J / (0.450 J/g°C * 156°C)
m = 717 g
Therefore, the mass of the skillet must be approximately 717 g for optimal frying of bacon.
To determine the mass of the cast iron skillet, we can use the heat energy equation: Q = mcΔT, where Q is the heat energy absorbed, m is the mass, c is the specific heat capacity of the material, and ΔT is the change in temperature.
Given:
Q = 1.58 x 10^5 J
c (specific heat of iron) = 0.450 J/g°C
Initial temperature (T1) = 22.0°C
Final temperature (T2) = 178°C
First, we need to find the change in temperature (ΔT):
ΔT = T2 - T1 = 178°C - 22.0°C = 156°C
Now we can plug the values into the heat energy equation:
1.58 x 10^5 J = m * (0.450 J/g°C) * (156°C)
Next, we can solve for the mass (m):
m = (1.58 x 10^5 J) / (0.450 J/g°C * 156°C) ≈ 2341.2 g
Therefore, the mass of the cast iron skillet must be approximately 2341.2 grams for optimal bacon frying.

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The chemical equations given would be balanced below

The balanced equation of the various given chemical equations can be determined only when the number of atoms on the product part is the same with the number of atoms on the reactant side.

For 1.)

\(N_{2} + 3H_{2} ----- > 2NH_{3}\)

For 2.)

\(2KCl_{3} ----- > 2KCl + 3O_{2}\)

For 3.)

\(2NaCl + F_{2} ----- > 2NaF + Cl_{2}\)

For 4.)

\(2H_{2} + O_{2} ----- > 2H_{2} O\)

For 5.)

\(Pb(OH)_{2} + 2HCl ----- > 2H_{2} O +PbCl_{2}\)

For 6.)

\(2AlBr_{3} + 3K_{2}SO{4} ---- > 6KBr + Al_{2}(SO_{4})_{3}\)

For 7.)

\(CH_{4} + O_{2} ----- > CO_{2} + 2H_{2} O\)

For 8.)

\(C_{3} H_{8} + 3O_{2} ----- > 3CO_{2} + 4H_{2} O\)

For 9.)

\(C_{8} H_{18} + 8O_{2} ----- > 8CO_{2} + 9H_{2} O\)

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Answer:

building really complicated legos

Explanation:

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Answer:

propyl

1-propylmethane or 2-methylpropane

Answer:

Coal is burned at power plant.

Explanation:

the chemical Energy is released as coal changes

have a good day

Answer:

ooh sorry, but will this help you now:

Ocean dynamics define and describe the motion of water within the oceans. Ocean temperature and motion fields can be separated into three distinct layers: mixed (surface) layer, upper ocean (above the thermocline), and deep ocean. Ocean currents are measured in sverdrup (sv), where 1 sv is equivalent to a volume flow rate of 1,000,000 m (35,000,000 cu ft) per second.

Surface currents, which make up only 8% of all water in the ocean, are generally restricted to the upper 4…

Explanation:

Hope this helps :)

Answer:

6.48 moles

Explanation:

One mole of a substance is equal to 6.022*10^23 particles which is called Avagadro's number.

6.022*10^23 = 1 mole

3.90*10^24 = x moles

x = (3.90*10^24*1) / (6.022*10^23) = 6.48 moles

Answer:

Biochemistry is the discipline that studies the chemistry of life, and its objective is to explain form and function based on chemical principles. Organic chemistry is the discipline devoted to the study of carbon-based chemistry, which is the foundation for the study of biomolecules and the discipline of biochemistry. Both biochemistry and organic chemistry are based on the concepts of general chemistry, some of which are presented in Fundamentals of Physics and Chemistry Important to Microbiology.

Explanation:

The iodine molecule's i-i bond can be broken by light at a maximum wavelength of =782.39 nm.

A waveform signal's wavelength is defined as the separation between two identical points (adjacent crests) in adjacent cycles as the signal travels through space or along a wire. This length in wireless systems is typically expressed in meters (m), centimeters (cm), or millimeters (mm) (mm).

Light with a specific wavelength has the following energy:

E = hc/λ

E = energy of light

h = planck's constant = 6.626*10⁻³⁴J-s

c = speed of light = 3*10⁸ m/s

We are given bond energy of one mole i–i , but we are required to dissociate one molecule of bromine monochloride bond.

Bond energy of one mole i–i = 153kJ/mol ( 1 mol = 6.022*10²³ )

Bond energy of one molecule of i–i = 153/6.022*10²³ kJ/molecule (1kJ = 1000J)

E = (153)*(1000)/(6.022*10²³ )J/molecule (Multiplied 1000 to change kJ to J)

E = hc/λ

153*(1000)/6.022*10²³ = 6.626*10⁻³⁴*3*10⁸×λ

λ = 782.39nm

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Answer:

1. True

2.Fqlse

3.True

4.True

1. The differential equation satisfied by y(t) is:  dy/dt = 0.6 kg/min

The amount of salt in the tank after t minutes can be represented by the function y(t). We need to find the differential equation that y satisfies.
Initially, the tank contains 100 L of pure water, which means there is no salt in the tank. As time passes, a solution with a salt concentration of 0.3 kg/L is added at a rate of 7 L/min. The salt concentration in the tank will increase with the addition of this solution.
At the same time, the solution is drained from the tank at a rate of 5 L/min. This will result in a decrease in the salt concentration in the tank.
To find the differential equation satisfied by y(t), we need to consider the rate of change of salt in the tank.
Rate of change of salt in the tank = Rate of salt added - Rate of salt drained
The rate of salt added is given by the product of the concentration of the solution (0.3 kg/L) and the rate at which the solution is added (7 L/min). So, the rate of salt added = 0.3 kg/L * 7 L/min.

The rate of salt drained is given by the product of the concentration of the solution (0.3 kg/L) and the rate at which the solution is drained (5 L/min). So, the rate of salt drained = 0.3 kg/L * 5 L/min.

Therefore, the differential equation satisfied by y(t) is:
dy/dt = (0.3 kg/L * 7 L/min) - (0.3 kg/L * 5 L/min)

Simplifying the equation:
dy/dt = 2.1 kg/min - 1.5 kg/min
dy/dt = 0.6 kg/min

So, the differential equation satisfied by y(t) is:
dy/dt = 0.6 kg/min

2. The amount of salt in the tank after 40 minutes is 24 kilograms.

To find the amount of salt in the tank after 40 minutes, we can solve the differential equation.

dy/dt = 0.6 kg/min

Integrating both sides with respect to t:
∫dy = ∫0.6 dt

Integrating, we get:
y = 0.6t + C

To find the value of C, we can use the initial condition that the tank initially contains 100 L of pure water, which means there is no salt. So, at t = 0, y = 0.

Substituting these values into the equation:
0 = 0.6(0) + C
C = 0

Therefore, the equation becomes:
y = 0.6t

Now, we can find the amount of salt in the tank after 40 minutes by substituting t = 40 into the equation:
y = 0.6(40)
y = 24 kg


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A calcium ion will have a positive charge when it loses an electron. If it loses 2 electrons, the calcium ion will have 18 electrons and a 2+ charge.

In order to meet its octet rule on what would eventually become the new valence shell, the calcium atom, which currently has two valence electrons, must lose both of them. Consequently, it has a 2+ charge. Calcium contains 20 protons but only 18 electrons since it lost two electrons. As a result, calcium has a charge of 2+, making it a positive ion. With 20 protons and 20 electrons, a neutral calcium atom easily loses two electrons. A cation with 20 protons, 18 electrons, and a 2+ charge is the consequence of this. It is represented by the formula Ca2+ and has the same number of electrons as atoms of argon, the previous noble gas.

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Answer:

Soluble

Explanation:

hope this helps

Answer:

1 cal = 0.004187 kJ

1,500,000 cal = 6280.5 kJ

Pumping 1.605L of oxygen at standard pressure into a 0.500L tank at 24.5°C will result in a pressure of 3.50 atm. A group of molecules known as a gas.

Are those whose cohesion is insufficient to give rise to a liquid or solid. As long as the molecules can fit within, the volume of a gas equals the volume of the container it is held in. To put it another way, the volume of a gas is a property of the container rather than a feature of the gas itself. Molecules continuously oscillate around set equilibrium bond lengths, angles, and geometries as a result of vibrational and rotational motions. Pure substances are made up of molecules that share the same typical geometrical form.

V1 = 1.605L when calculated as (3.5 * 0.5*273)/1*297.5atm.

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If iron metal is added to a solution of copper (ii) nitrate then a balanced chemical equation can be represented as;

\(Fe + Cu(NO_{3} )_{2} ---- > Fe(NO_{3}) _{2} + Cu\)

If iron metal is added to a solution of copper (ii) nitrate then a replacement reaction will take place.

A replacement reaction can be described as a reaction in which elements switch places in compounds. This type of reaction generally involves ions. In a replacement reaction, the more reactive elements replace the less reactive elements. A single replacement reaction takes place if one element replaces another element in one compound.

In this case, copper of copper (ii) nitrate is replaced by iron to give the product of iron (iii) nitrate and copper

Hence the chemical reaction, in this case, can be given as;

\(Fe + Cu(NO_{3} )_{2} ---- > Fe(NO_{3}) _{2} + Cu\)

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The first step is to lessen the number of the organism which consumes clawcats. The second is to enhance the resources Clawncat requires to live.

Population is the total number of people living in a region (such as a nation or the planet), which is always changing due to births, immigration, and natural mortality.

There are two ways to boost the Clawcat population. The first step is to lessen the number of the organism which consumes clawcats. The second is to enhance the resources Clawncat requires to live, namely by expanding the plantation of Clawncat, providing enough irrigation, giving full access to sunshine, and increasing the richness of the soil through proper and effective fertilization.

Therefore, in the above given ways we can increase the population of Clawncat.

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Answer:

protons are +1

Explanation:

protons are positive 1 while electrons are -1, they are equal but opposite charge

Molar concentration of Sodium chloride (NaCl) means the number of moles of sodium chloride present in 1L of water.

Molar mass of NaCl = Molar mass of Na + Molar mass of Cl

Molar mass of NaCl = 23 + 35.5

Molar mass of NaCl = 58.5g

∴ 1L of water contains 55.55 moles of water. Hence,

Mass of ocean water = 55.55 × 18 = 999.9g

Since, 1L of ocean water has a mass of 999.9g of which 3.5% is the salt.

hence, (999.9) (0.035) = 34.99g

So, No. of moles of NaCl = Mass of NaCl / 58g NaCl per mol

No. of moles of NaCl = 34.99/58.5

No. of moles of NaCl = 0.59 moles

So, Molar concentration or Molarity would be 0.59 moles present in 1L of solution.

Hence, Molarity or Molar Concentration = Moles of NaCl/ Volume of solution (in L)

Molarity = 0.59/1L

⇒ Molarity = 0.59M

Hence, the molarity is 0.59M

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In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.

An abiotic factor is a non-living part of an ecosystem that shapes its environment.

Biotic and abiotic factors make up a community via interaction.

Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.

Hence, in this case, among the list of components given, the abiotic factors are water, rock, soil, sun

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What is an abiotic factor?

♠ Among the list of components given, the abiotic factors are water, rock, soil, sun

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Answer:

When the are spread out it is low percision

Explanation:

Frequency – The frequency of a wave is the number of waves that pass a given point in a certain amount of time. Frequency is measured in units called hertz (Hz), and is defined as the number of waves per second. A wave that occurs every second has a frequency of 1 wave per second (1/s) or 1 Hz.

If a single line is used to represent an organic compound, then each carbon atom indicated by that line would be attached to one hydrogen atom. Therefore, the number of hydrogens attached to the carbons indicated by a single straight line would be one for each carbon atom.

In a straight-line representation of an organic compound, each line represents a single bond between two carbon atoms. To determine the number of hydrogens attached to the carbons in the line, you'll need to consider the fact that each carbon forms a total of four bonds.
Here's a step-by-step explanation:
1. Identify the number of carbon atoms in the straight line. Each line segment represents a single bond between two carbons, so the number of carbons is one more than the number of line segments.
2. Determine the number of hydrogens attached to each carbon atom. In an organic compound, carbon forms four bonds. In a straight line, the two end carbons form one bond each with another carbon atom, leaving three remaining bonds for hydrogen atoms. The internal carbons each form two bonds with other carbon atoms, leaving two remaining bonds for hydrogen atoms.
3. Calculate the total number of hydrogens attached to the carbons in the straight line. For a straight line with n carbons, you have 2 end carbons with 3 hydrogens each, and (n-2) internal carbons with 2 hydrogens each. The total number of hydrogens is:
Total Hydrogens = (2 x 3) + ((n-2) x 2)
By following these steps, you can calculate the number of hydrogens attached to the carbons in a straight-line organic compound representation.

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