during a nuclear reaction, what is mass converted into?

Answer:

D

Explanation:

D is the answer lolyeshsjs

The value of Ka for hypobromous acid (HBrO) is 5.3 × 10⁻⁹ at 25°C.


The pH of a 0.55 M aqueous solution of hypobromous acid (HBrO) at 25.0°C is 4.48. Hypobromous acid (HBrO) is a weak acid that partially dissociates into its constituent ions, hydrogen ions (H⁺) and hypobromite ions (BrO⁻), in solution. The equation for the dissociation of HBrO is given as follows:  HBrO + H₂O ⇌ H₃O⁺ + BrO⁻.

The value of Ka for HBrO can be calculated using the following equation: Ka = [H₃O⁺] [BrO⁻] / [HBrO]. The concentration of [HBrO] is equal to 0.55 M. The concentration of [H₃O⁺] can be calculated by converting pH to the [H₃O⁺] concentration using the equation pH = -log[H₃O⁺]. Thus, [H₃O⁺] = 10^(-pH) = 10^(-4.48).

The concentration of [BrO⁻] can be calculated from the equation: [HBrO] = [BrO⁻]. Therefore, [BrO⁻] = 0.55 M. Substituting the values in the Ka expression, we get Ka = (10^-4.48)(0.55) / 0.55 = 5.3 × 10⁻⁹ at 25°C.

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The relationship between kinetic energy, temperature, and heat is that temperature is a measure of the average kinetic energy of atoms and molecules. Heat is energy transferred from one object to another, usually due to a temperature difference.

The heat required to raise the temperature of a glass of water is less than the heat required to raise the temperature of an iron skillet because the glass has less mass, meaning fewer molecules to heat up. Therefore, it takes less energy to raise the temperature of a glass of water than an iron skillet.

The average kinetic energy of the particles is directly related to the absolute temperature, according to the Boltzmann equation.

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Answer:

Condensation: 423.3 K

Freezing: 83.96 K

(this is all i could figure out :) hope it helps)

The d-orbital starts in the third energy level (n = 3) of an atom.

Each energy level can contain one or more sublevels, including s, p, d, and f sublevels. The first energy level (n = 1) has one s orbital and can hold a maximum of 2 electrons. The second energy level (n = 2) has one s orbital and three p orbitals, allowing for a maximum of 8 electrons. The third energy level (n = 3) has one s orbital, three p orbitals, and five d orbitals, accommodating a maximum of 18 electrons.

The d-orbitals are found in the third energy level, corresponding to the third period of the periodic table. Therefore, the period number for the energy level where the d-orbital starts is 3.

The filling order of orbitals follows the pattern: 1s, 2s, 2p, 3s, 3p, 4s, 3d, and so on. The d-orbitals start filling after the p-orbitals in the third energy level. The electron configuration for the third energy level is written as 3s^2 3p^6 3d^1-10, depending on the element.

For example, the electron configuration of iron (Fe) is 1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 4s^2. This configuration indicates that the d-orbitals of iron are half-filled with 5 electrons.

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Answer: the eukaryotic cell

Explanation: Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall.

Answer:

the water in the mountains will take longer to boil, because of the higher atmospheric pressu

This light has a frequency of 5.64*1014s-1. Humans have three different types of cone cells in their eyes, each of which absorbs a specific range of colours from the visible spectrum.

The frequency of an event is its repetitions per unit of time. As a contrast to spatial frequency, it is also sometimes referred to as temporal frequency, and as a contrast to angular frequency, it is sometimes referred to as ordinary frequency.

Photoreceptor cells known as cone cells, or cones, are found in the retinas of vertebrate eyes, including the human eye. The combination of their responses is what causes colour vision. They react differently to light of various wavelengths. They are called cone cells .

Wavelength of the radiation absorbed by the cone : 531 nm

We will use the relationship 1 m = 10⁹ nm.

531nm*(1/10^9) = 5.31*10^-7 m

c = lamda*v

v= c/lamda = 3.00*10^8/5.31*10^-7 = 5.64*10^14s^-1

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The red cabbage acid-base indicator from the previous pH lab would not work effectively as an indicator for a titration due to its broad color change range and lack of specificity. Red cabbage indicator displays different colors across a wide pH range, making it difficult to pinpoint the exact endpoint of a titration, which requires a precise and sharp color change.

Titration is a technique used to determine the concentration of an unknown solution by reacting it with a standard solution of known concentration. An ideal indicator for titration should have a well-defined and narrow color change range, preferably within a pH change of less than 1 unit, to accurately identify the endpoint.
In contrast, red cabbage indicator has a wide color change range, spanning from pH 2 (red) to pH 12 (yellow-green), which doesn't provide the required level of accuracy for titrations. The color transitions are also gradual and hard to distinguish, making it unsuitable for determining the exact endpoint in a titration.
Therefore, due to its broad and unspecific color change range, the red cabbage indicator from the previous pH lab is not suitable for use as an indicator in a titration experiment. Instead, indicators like phenolphthalein or bromothymol blue are typically used, as they provide a sharp and distinct color change at the titration endpoint.

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The average molecular velocity of the molecules will decrease as the reaction goes to completion at a constant temperature.

What is Molecular velocity?

Molecular velocity is the average speed of molecules in a sample of matter. It is determined by the temperature of the sample, with higher temperatures resulting in higher molecular velocities.

This is because the reaction produces a single product, meaning that the number of molecules in the reaction vessel is decreasing as the reaction goes to completion. As the number of molecules decreases, the average molecular velocity of the molecules decreases as well.

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15 is all the above Answer:

Explanation: i have the same thing

Answer:

C₂H6

Explanation:

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). Option A

A hydrocarbon is a compound that consists of only carbon and hydrogen atoms. It is important to identify the formula that represents a hydrocarbon among the given options:

A) C₂H6: This formula represents ethane, which is a hydrocarbon. Ethane consists of two carbon atoms bonded together with single bonds and six hydrogen atoms.

B) C₂H5OH: This formula represents ethanol, which is not a hydrocarbon. Ethanol contains a hydroxyl group (-OH), indicating the presence of oxygen in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

C) C₂H5Cl: This formula represents ethyl chloride, which is not a hydrocarbon. Ethyl chloride contains a chlorine atom (Cl) in addition to carbon and hydrogen atoms. It is a haloalkane, not a hydrocarbon.

D) C₂H6O: This formula represents ethanol, which, as mentioned before, is not a hydrocarbon. Ethanol contains an oxygen atom (O) in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). It consists only of carbon and hydrogen atoms, making it a suitable representation of a hydrocarbon.

In summary, the formula C₂H6 (option A) represents a hydrocarbon, while the other options contain additional elements (oxygen or chlorine) that make them non-hydrocarbon compounds. Option A

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3.9 tons of A and 1.8 tons of B must be burned for Steam power plants.

Steam power plants consist of boilers, steam turbines, generators, and other ancillary equipment. Boilers produce high pressure, high temperature steam. A steam turbine converts the thermal energy of steam into mechanical energy. The generator then converts mechanical energy into electrical energy. 

The amount of tons of each type of coal the Steam power plants must have burned is represented by the vector equation:

x1v1 + x2v2 = b

\(\left[\begin{array}{ccc}27.6&3100&250\\30&6400&360\\23&23610&1623\end{array}\right]\)

where first row represents v1, second row represents v2 and third row represents v3.

3.9 tons of A and 1.8 tons of B must be burned.

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Answer:

I did not understand the question

Answer:

Coffee Filter.

Tea-bags.

Water Filters.

Sand Filtration.

HEPA Air Filters.

Automotive Filters.

Belt Filters.

Dialysis.

Explanation:

Answer:

The bottommost layer in core sample 1 and the topmost layer in core sample 2.

Explanation:

Correct me if im wrong :)

Many employees utilize the same ethical standards at work and at home is NOT true of the causes of ethical conflict.

The causes of ethical conflict can arise from various factors and tensions within the workplace. Employees often experience some tension between their own ethical beliefs and their obligations to the organizations where they work, as do business managers. This tension may stem from conflicts between personal values and organizational goals, pressures to prioritize profitability over ethical considerations, or conflicting demands from different stakeholders. Additionally, ethical conflict can increase when employees feel that their company is exerting pressure on them to engage in unethical conduct, leading to dilemmas between personal integrity and job requirements. However, it is not accurate to claim that many employees utilize the same ethical standards at work and at home. People's ethical standards can vary based on different contexts, personal beliefs, and situational factors.

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Answer:

ummmm

Explanation:

Explanation:

a.) the ball comes back down because of the gravitational pull

b.)the car is non living because it runs on a engine (man made)

Answer:

The tectonic plates do not slowly drift over time because they are floating on a layer of liquid rock. They drift because they are sitting on a layer of solid rock (the upper mantle or "asthenosphere") that is weak and ductile enough that it can flow very slowly under heat convection, somewhat like a liquid.

Explanation:

Answer:

According to biological spices concept, organisms belong to the same spices if they can interbreed viable, fertile offsprings.

Answer:a mouse

Explanation:

Answer: a mouse

Explanation:

To find the difference in pH, we can subtract pH1 from pH2:pH2 - pH1 = -log(3)Using a calculator, we can evaluate the right side of the equation:-log(3) ≈ 0.477Therefore, the pH increases by about 0.477 units when the concentration of positive hydrogen ions is decreased by two thirds.

When the concentration of positive hydrogen ions is decreased by two thirds, the pH increases by about 0.477 units. This can be calculated using the formula:

pH

= -log[H+],

where [H+] represents the concentration of positive hydrogen ions.Using this formula, we can find the initial pH:

pH1

= -log[H+1]

where [H+1] is the initial concentration of positive hydrogen ions. Let's say the initial concentration is x. Then:

pH1

= -log[x]

Now, if the concentration is decreased by two thirds, the new concentration is (1/3)x. Using this value, we can find the new pH:

pH2

= -log[(1/3)x]

= -log(x) - log(3)

Using the formula for pH1, we can substitute -log(x) for pH1:

pH2

= pH1 - log(3).

To find the difference in pH, we can subtract pH1 from pH2:

pH2 - pH1

= -log(3)

Using a calculator, we can evaluate the right side of the equation:

-log(3) ≈ 0.477

Therefore, the pH increases by about 0.477 units when the concentration of positive hydrogen ions is decreased by two thirds.

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0.540 moles of hydrogen bromide can be made from 6.6 L of hydrogen gas.

We can use the balanced chemical equation to determine the stoichiometry of the reaction and calculate the number of moles of HBr produced.

From the balanced chemical equation:

1 mol of H2 reacts with 1 mol of Br2 to produce 2 moles of HBr.

Since we are given the volume of hydrogen gas, we need to convert it to moles using the ideal gas law:

PV = nRT

Where

Assuming standard temperature and pressure (STP) conditions of 0°C and 1 atm, the volume of 6.6 L of hydrogen gas is:

n = PV/RT = (1 atm) x (6.6 L) / [(0.08206 L atm mol^-1 K^-1) x (273 K)]

n = 0.270 mol

Since the balanced chemical equation tells us that 2 moles of HBr are produced for every 1 mole of H2, we can calculate the number of moles of HBr produced as:

moles of HBr = (0.270 mol H2) x (2 mol HBr/1 mol H2) = 0.540 mol HBr

Therefore, 0.540 moles of hydrogen bromide can be made from 6.6 L of hydrogen gas.

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After solving the equation the volume of the gas in the container is 26.6L.

What is ideal gas law?

Pressure times volume are equal to moles times the universal gas constant times temperature, according to the ideal gas law formula.

PV=nRT

where P is for pressure

n = number of moles, where V = volume

T stands for temperature.

R is the gas constant

Energy units per temperature increase per mole are measured by the gas constant R. It is sometimes referred to as the molar gas constant, the ideal gas constant, and the universal gas constant.

Depending on the units you use in your computation, the gas constant R has a different value.

To convert degree celcious to kelvin, 55degree C+273= 328K

To convert pressure from mmHg to atm= 890/760=1.17atm

Number of moles of oxygen= 37.04/32=1.16mol

V= nRT/P

 =1.16*0.0821*328/1.17

 =26.6L

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0.14

Explanation:

I just needed to finish setting up my account

The number of moles of Hydrogen​ : 1.993

Given

1.20 x 10²⁴ hydrogen atoms

Required

The number of moles

Solution

The mole is the number of particles(molecules, atoms, ions) contained in a substance  

1 mol = 6.02.10²³ particles

Can be formulated  :

N=n x No

N = number of particles

n = mol

No = Avogadro's = 6.02.10²³

moles of Hydrogen :

\(\tt n=\dfrac{N}{No}\\\\n=\dfrac{1.2\times 10^{24}}{6.02\times 10^{23}}\\\\n=1.993~moles\)

Answer:

Different organs of the plant may exhibit different phototropic reactions to different wavelengths of light. Stem tips exhibit positive phototropic reactions to blue light, while root tips exhibit negative phototropic reactions to blue light. Both root tips and most stem tips exhibit positive phototropism to red light.

Explanation: