Write balanced nuclear equations for the following:(b) Formation of silver-107 through electron capture

The amount required of of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H3PO4 is A) 7.50 mL.

To solve this problem, we need to use the equation:
acid (H3PO4) + base (NaOH) → salt (Na3PO4) + water (H2O)
We can use the balanced equation to determine the mole ratio of H3PO4 to NaOH:

1 mol H3PO4 : 3 mol NaOH
Next, we can use the equation:
moles = concentration × volume

to determine the number of moles of H3PO4:
moles H3PO4 = 0.100 M × 5.00 mL / 1000 mL/L = 0.0005 mol
Using the mole ratio, we can determine the number of moles of NaOH required to neutralize the H3PO4:

moles NaOH = 3 × moles H3PO4 = 3 × 0.0005 mol = 0.0015 mol
Finally, we can use the equation:
volume = moles / concentration

to determine the volume of 0.200 M NaOH required:
volume NaOH = 0.0015 mol / 0.200 M = 0.0075 L = 7.50 mL
Therefore, the answer is A) 7.50 mL.

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7.50 mL of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H3PO4. The correct option is A.

To solve this problem, we need to use the balanced chemical equation for the neutralization reaction between NaOH and H3PO4:

3 NaOH + H3PO4 -> Na3PO4 + 3 H2O

From the equation, we can see that 1 mole of H3PO4 reacts with 3 moles of NaOH. Therefore, the number of moles of NaOH required to neutralize 0.100 moles of H3PO4 is:

0.100 mol H3PO4 x 3 mol NaOH/1 mol H3PO4 = 0.300 mol NaOH

Now we can use the molarity and volume of NaOH to calculate the number of moles of NaOH present:

0.200 mol/L x V(L) = 0.300 mol
V(L) = 0.300 mol / 0.200 mol/L = 1.50 L

However, we need to convert the volume of NaOH from liters to milliliters:

V(mL) = 1.50 L x 1000 mL/L = 1500 mL

Finally, we can use the volume of NaOH required to neutralize the H3PO4:

V(NaOH) = 5.00 mL x (1.50 mL/1000 mL) = 0.0075 L

Therefore, the answer is A) 7.50 mL of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H3PO4.

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The reaction given below can be represented as follows:`

H2PO4– + H2O ⇋ H3O+ + HPO42–

`Base–conjugate acid pair:` H2PO4–` and `HPO42–`

A Brønsted-Lowry acid-base reaction involves the transfer of a proton from one substance to another.

In this reaction, H2PO4– acts as an acid, donating a proton to water.

This produces the conjugate base of H2PO4–, HPO42–, and the conjugate acid of water, H3O+.

A base-conjugate acid pair is defined as two substances that differ only in the presence or absence of a single proton.

In this reaction, the base H2PO4– loses a proton to form its conjugate acid, HPO42–.

Therefore, `H2PO4–` and `HPO42–` is the base–conjugate acid pair.

The term "base-conjugate acid pair" refers to two species with the following characteristics:

They are both conjugates.

They differ by one hydrogen ion.

The dissociation of an acid (HA) results in the formation of a conjugate base (A−) and a hydrogen ion (H+). HA is called an acid, while A− is called a conjugate base.

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Explanation:

1. cryolite

2. cell

3. bauxite

4.

5.

6.

7.

8.

9. replaced

this is all I know. I'm sorry I could not answer all

Answer:

C=4 H=12

Explanation:

the 2 in front of the equation tells how many atoms there are the C2 and H6 tells you how much is in each atom, multiply to get the total

Body temperature is controlled by a negative feedback control system.

What is negative feedback?

In biological systems, a type of control known as negative feedback occurs when a process's output lowers its own stimulus. A common regulation mechanism in many biological responses is feedback. The body may regulate numerous aspects of its internal environment by permitting particular routes to be switched on and off. This is like turning a switch. Feedback enables a pathway's output to operate a switch. Negative feedback, often known as a "negative feedback loop," happens when a pathway's end product disables the corresponding metabolic step.

In order to maintain body temperature, the hypothalamus reacts to this information by directing nerve impulses to effectors. For instance, the hair erector muscles tighten up if we get too cold. As a result, a layer of air is trapped near to the skin, raising the skin hairs. Systematic negative feedback regulates body temperature.

Thus the hypothalamus is the vital organ for this system.

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Answer:

Solids do not undergo diffusion because it has a fixed structure (vibrates in a fixed position) and it also cannot be compressed.

Hoped this helped in any way

Have a nice day

The depth range of the epilimnion in this lake is most likely a. 0 to 3 meters. Option A is correct.

To determine the depth range of the epilimnion, we need to identify the layer of the lake where the temperature change is most rapid, which indicates the transition between the warm surface layer and the colder deep layer.

Looking at the temperature readings, we can see that there is a significant temperature difference between the surface layer (0-3 meters) and the layer below (4-7 meters).

However, the temperature change between 4-7 meters and 8-12 meters is not as dramatic, indicating that the transition between the warm surface layer and the colder deep layer occurs somewhere between 3 and 8 meters.

Hence, A. 0 to 3 is the correct option.

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The statements that are true of the density variations in a liquid are "B- The density of a liquid usually increases with an increase in pressure and D- The density of a liquid usually decreases with an increase in temperature".

When the pressure on a liquid increases, the molecules are forced closer together, resulting in a higher density. This relationship is consistent for most liquids. On the other hand, as the temperature of a liquid increases, the kinetic energy of the molecules also increases, causing them to move more vigorously and spread apart. This leads to a decrease in density.

The perfect-gas law is not applicable to liquids for determining their densities since liquids do not behave like ideal gases. The viscosity of a fluid, which refers to its resistance to flow, is not directly related to its density.

Options B and D are answers.

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The correct answer is:Only statements 1 and 2 are correct.

1) The bond is planar.

2) There is free rotation about the carbonyl carbon and nitrogen bond.

The bond is planar: True, Peptide bond is a planar bond because it is composed of a double bond between the carbonyl carbon and nitrogen, and the atoms on either side of the double bond are sp2 hybridized. There is free rotation about the carbonyl carbon and nitrogen bond: True, the peptide bond between amino acids in a protein is a single bond, which allows for rotation about the bond, this is one reason proteins can adopt many different conformations.There is substantial double-bond character to this bond: False, the peptide bond is actually a single bond, although it has some double-bond character, it is not a double bond.There is a net negative charge on nitrogen and net positive charge on oxygen: False, both nitrogen and oxygen atoms in a peptide bond are neutral, as there is no charge separation in the bond.

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We need 0.125 moles of LiCl to make a 0.50 M solution in 0.250 L of solution.

The volume of solution = 0. 250 L

Molarity of solution = 0. 50 M

A mole is described as the quantity of a substance that includes as many particles that are bonded together in a compound as there are atoms in exactly 12 g of carbon 12 isotope.

To find the number of moles of LiCl, we can use the formula:

moles of solute = concentration of solute * volume of solution

moles of LiCl = 0.50 mol/L x 0.250 L

moles of LiCl = 0.125 mol

Therefore, we can conclude that we need 0.125 moles of LiCl to make a 0.50 M solution in 0.250 L of solution.

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Chloroplasts is an important part in the process of photosynthesis in some organisms. The chloroplast absorbs the energy in sunlight and uses it to produce sugars.

The main function of chloroplast in plants is to convert light energy into chemical energy via the photosynthesis process.

Photosynthetic chlorophyll is found in chloroplasts, which catch sunlight and converts it into chemical energy, releasing oxygen from water. All green plants and algae have chloroplasts. Chloroplasts help plants in the formation of food.

Chloroplasts are found in the leaves of the plant's guard cells. Chloroplasts contain a lot of chlorophyll, which helps to trap sunlight.  The chloroplast is capable of reproducing without any help from the rest of the cell.

The primary job of chloroplast is to produce food through the photosynthesis process. Chloroplast has a component called chlorophyll, which traps sunlight and is used for food synthesis or sugar and other organic molecules in all green plants. They also form lipid components and amino acids that are required for chloroplast membranes.

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Answer:

It's because the Earth is tilted on it's axis. So the second answer.

I hope that helps :)

The mass of the gas in cylinder A is the same as the mass of the gas in cylinder B.

The Ideal Gas Law states that the amount of gas in a sealed cylinder may be calculated as PV = nRT, where PV stands for pressure, V for volume, n for moles, R for the universal gas constant, and T for temperature.

Since cylinders A and B have the same pressure, volume, and temperature, the number of moles of gas in each cylinder is also equal, and the mass of gas in each cylinder is also equal.

It's crucial to remember that this relies on the assumption that both gases act as ideal gases, which is simply a rough approximation.

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According to the research, the correct answer is that inner core and the outer core are geological layers of the Earth, which are similar in composition and both are extremely hot.

It refers to the innermost sector of the planet, being the layer formed mainly by iron and nickel whose internal pressure is higher than the pressure of the earth's surface.

In this sense, the inner core and outer core of the Earth are composed of iron-nickel or alloys thereof, with some other elements exhibiting high temperatures but unlike the solid inner core of the Earth, the outer core is liquid since there is not enough pressure to keep it in a solid state.

Therefore, we can conclude that according to the research, a wide range of concentrations of iron and nickel is found in the outer and inner core of the Earth.

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The final pressure of the car tire after heating from 38°C to 123°C is approximately 2.29 atm.

To calculate the final pressure of the car tire, we can use the ideal gas law, which states that:

PV = nRT

where P is the pressure of the gas, V is the volume of the gas, n is the number of moles of the gas, R is the ideal gas constant, and T is the temperature of the gas in Kelvin.

We can assume that the volume of the car tire remains constant, so we can simplify the ideal gas law to:

P1/T1 = P2/T2

where P1 is the initial pressure, T1 is the initial temperature in Kelvin, P2 is the final pressure, and T2 is the final temperature in Kelvin.

To solve for P2, we need to convert the temperatures from Celsius to Kelvin:

T1 = 38°C + 273.15 = 311.15 K

T2 = 123°C + 273.15 = 396.15 K

Now we can substitute the values we have:

P1/T1 = P2/T2

1.8 atm / 311.15 K = P2 / 396.15 K

To solve for P2, we can cross-multiply and simplify:

P2 = (1.8 atm) x (396.15 K) / (311.15 K)

P2 = 2.29 atm

Therefore, the final pressure of the car tire after heating from 38°C to 123°C is approximately 2.29 atm.

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Answer:

(3)

Explanation:

Guaranteed. Look at my comment for linked picture explanation!

The IUPAC name of the compound Cl CH3 CH- CH2 CH2-C is 1,1-dichlorobutane.

To determine the IUPAC name, we start by identifying the longest continuous carbon chain, which in this case is a 4-carbon chain. The chain is numbered from the end closest to the substituent, in this case, the chlorine atom.

Next, we identify the substituents and their positions on the carbon chain. The chlorine atom is attached to the first carbon atom, which gives us the prefix "1-chloro-". The methyl group (CH3) is attached to the second carbon atom, which gives us the prefix "2-methyl-".

Finally, we combine the prefixes and the parent chain name to get the complete IUPAC name: 1-chloro-2-methylbutane. However, in this case, there is a double bond denoted by "-C" at the end of the chain. Since the double bond takes precedence over the substituents, we replace the "-ane" ending with "-ene" to indicate the presence of the double bond.

Therefore, the correct IUPAC name for the compound is 1,1-dichlorobutane.

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Answer: 1cm³= 1mL

Explanation:

The statement that "there are many types of energy" is correct. Energy is a fundamental concept in science and refers to the ability of a system to do work or cause a change. There are many different types of energy, each with its own characteristics and properties.

One of the most familiar forms of energy is light energy, which is produced by the sun and other sources of radiation. Sound energy is another form of energy that is produced by vibrations in matter, and it can be detected by the human ear. Thermal energy is the energy associated with the temperature of an object, and it is related to the movement of atoms and molecules within that object.

Chemical energy is stored in the bonds between atoms and molecules, and it is released during chemical reactions. Electrical energy is associated with the movement of electrons through a conductor, and it is used to power many of the devices we use every day. Other forms of energy include nuclear energy, gravitational energy, and kinetic energy.

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According to the research, the correct option is C. Amphibians have a closed circulatory system this means fluids are contained in tubes.

Therefore, we can conclude that according to the research, the correct option is C. Amphibians have a closed circulatory system this means fluids are contained in tubes.

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The relationship between pressure and temperature of a fixed amount of gas in a rigid container is called Charles’ Law.

According to Charles’ Law, for a given mass of gas at a constant volume, the volume of the gas varies directly with the temperature. It can be represented by the formula :V/T = constant where, V = volume of the gas T = temperature of the gas (in Kelvin)constant = proportionality constant Since pressure, volume, and temperature of the gas are interdependent, we can write:

PV/T = constant. We can use this formula to solve the problem. We know that the volume of the gas is constant. So, we can write:

P1/T1 = P2/T2 where, P1 = 3.20 atm (pressure at 300 K)T1 = 300 K (temperature at 3.20 atm)T2 = 290 K (temperature at unknown pressure)

Now, we can calculate P2 (pressure at 290 K) as:

P2 = P1 × (T2/T1) = 3.20 atm × (290 K/300 K) = 3.09 atmAnswer:3.09 atm

When the temperature of a fixed amount of gas is increased, its volume also increases. Similarly, when the temperature is decreased, the volume also decreases. This relationship between the volume of a gas and its temperature at a constant pressure is called Charles’ Law. It can be stated as:

V/T = constant, where V is the volume of the gas and T is its temperature in Kelvin. The proportionality constant in the above equation is the number of moles of the gas multiplied by the gas constant (R).

Mathematically, we can represent this relationship between pressure, volume, and temperature of a gas as: PV/T = constant.

When the volume of the gas is constant, the above equation becomes:

P1/T1 = P2/T2where P1 and T1 are the initial pressure and temperature of the gas, and P2 and T2 are the new pressure and temperature of the gas, respectively.

Using this equation, we can calculate the pressure of the gas at a new temperature, provided we know its initial pressure and temperature, and the new temperature.

Therefore, the pressure of the gas at 290 K will be 3.09 atm.

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The secondary coolant is converted to steam, which runs the steam turbine to generate electricity.

Secondary coolant:

The reactor coolant flows from the reactor to the steam generator. Inside of the steam generator, the hot reactor coolant flows inside of the many tubes. The secondary coolant, or feedwater, flows around the outside of the tubes, where it picks up heat from the primary coolant.

The secondary system is designed to transport heat from primary system to the atmosphere via an evaporative cooling tower. The typical system is designed to furnish 12.6 m3/min of water to the plate type heat exchanger at an inlet temperature of about 33 °C and an outlet temperature of about 42 °C.

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Salt in each of the following groups will the solubility depend on pH  is AgF, AgCl, and AgBr

Solubility depends on the pH of salts in the following groups: Group 1: The solubility of carbonates, hydroxides, and sulfates is a function of pH. Group 2: The solubility of sulfides, hydroxides, and sulfites is a function of pH.Group 3: The solubility of sulfides, carbonates, and hydroxides is a function of pH.Group 4: The solubility of sulfides, hydroxides, and sulfites is a function of pH.Group 5: The solubility of sulfides, hydroxides, and sulfites is a function of pH.Group 6: The solubility of sulfides, carbonates, and hydroxides is a function of pH.

A salt is formed from the reaction of an acid and a base. Salts can be made up of a variety of ions, which can affect their solubility in water. Salts containing anions that can act as weak bases are usually more soluble in acidic solutions than in basic solutions. Salts with anions that can act as strong bases are usually more soluble in basic solutions than in acidic solutions. AgF, AgCl, and AgBr are the salts in each of the groups mentioned above that will have solubility dependent on pH. They contain halide ions, which can act as weak bases. The solubility of these salts in water is thus determined by the pH of the solution.

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Answer:

Equation done below

Explanation:

Chlorine has two naturally occurring stable isotopes which are 35Cl (75.77%) and also 37Cl (24.23%).. However, the mass of the 35Cl isotope is 34.96885 amu while that of the 37Cl isotope is 36.96590 amu

Now, to calculate the relative atomic mass, we will do it as;

A_r = (Mass of 35Cl × fraction of 35 Cl) + (Mass of 37 Cl × fraction of 37Cl)

A_r = ((34.96885 × 75.77) + (36.96590 × 24.23))/100

A_r = 35.4527 ≈ 35.453 amu