The table compares some characteristics of two atoms.
Charged Particles
Atom Number of Neutrons Mass Number
X
Y
6
7
12
13
Which of the following is true about the two atoms?
O Atom X and Atom Y are in the same row, but not the same family, on the periodic table.
O Atom X and Atom Y occupy the same position in the periodic table because they are isotopes.
O Atom X is in a column to the right of Atom Y in the periodic table.
O Atoms X and Atom Y are in the same family, but not the same row, in the periodic table.

CH3COOH is one of the following is a Bronsted-Lowry acid.

The Bronsted-Lowry theory defines an acid as a substance that donates a proton (H+) and a base as a substance that accepts a proton.

Among the given choices, CH3COOH, HF, and HNO2 all have a hydrogen ion that can be donated, making them potential Bronsted-Lowry acids. (CH3)3NH+, on the other hand, already has a positive charge and is unlikely to donate a proton.

To determine which of the three compounds is an acid, we need to look at their chemical properties. CH3COOH is a weak acid because it only partially ionizes in water to form H+ and CH3COO-. HF is a strong acid because it completely ionizes in water to form H+ and F-. HNO2 is also a weak acid because it only partially ionizes in water to form H+ and NO2-. Therefore, the answer to the question is either CH3COOH which is Bronsted-Lowry acids that can donate a proton.

Option B is the correct answer.

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Respuesta:

1.50 moles

Explicación:

Paso 1: Escribir la ecuación química ajustada para la descomposición del carbonato de calcio

CaCO₃ ⇒ CaO + CO₂

Paso 2: Calcular los moles correspondientes a 150 g de CaCO₃

La masa molar de CaCO₃ es 100.09 g/mol.

150 g × 1 mol/100.09 g = 1.50 mol

Paso 3: Calcular los moles de CO₂ producidos a partir de 1.50 moles de CaCO₃

La relación molar de CaCO₃ a CO₂ es 1:1.

1.50 mol CaCO₃ × 1 mol CO₂/1 mol CaCO₃ = 1.50 mol CO₂

Answer: 1849.9584

Explanation:

Answer:

Crudeoil is a mixture and it comprises of compounds mostly hydri carbons i think

Answer:

good and yes

Explanation:

A strong sharp signal at 1715 cm-1 on an FTIR spectrum indicates the presence of a carbonyl functional group.

An FTIR spectrum provides information about the types of functional groups present in a molecule. A strong, sharp signal at 1715 cm-1 is indicative of the presence of a carbonyl functional group, which is characterized by the C=O bond stretching vibration. A carbonyl functional group is present in compounds such as aldehydes, ketones, carboxylic acids, and esters. The position of the carbonyl group in a molecule can also be determined by analyzing the FTIR spectrum.

For example, in an aldehyde, the carbonyl group will be located at the end of the carbon chain, while in a ketone, the carbonyl group will be located within the carbon chain. Therefore, by analyzing the FTIR spectrum of a sample, the type and location of the carbonyl functional group can be identified, which provides valuable information about the sample's chemical structure and properties.

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Answer:

Elementos.

Explicación:

Los elementos son las sustancias puras que están formadas por el mismo tipo de átomos, es homogéneo y no se puede descomponer por medios químicos. El elemento tiene el mismo tipo de átomos que son similares en tamaño y forma. Es un tipo de materia pura que tiene solo un tipo de átomos y no se puede descomponer más porque no está hecha de dos sustancias, es solo una sustancia, por eso no se puede descomponer por medios químicos.

The elements that are nitrogen, oxygen and fluorine all of them exist as diatomic gases at room temperature.

There are total seven diatomic elements that are written as follows: hydrogen (H), nitrogen (N), oxygen (O), fluorine (F), chlorine (Cl), bromine (Br), and iodine (I). The formation of diatomic gases is done by making up two atoms of the same gas. For example, the formula for nitrogen gas is N2, the formula for oxygen gas is O2 and the formula for Fluorine gas is F2. The word diatomic has other synonym which is known as heteronuclear. The position of all these three elements in the periodic table is different so their electronegativities, the only common factor is that they exist as a gas.

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While the ideal gas law also considers the number of moles, the combined gas law only considers pressure, temperature, and volume.

In conclusion, the Ideal Gas Law asserts that all gases have the same number of molecules when they are at the same temperature, pressure, and volume (but not the same mass). Remember that when the temperature and pressure are close to where a substance will become a liquid or solid, the Ideal Gas rule does not apply.

The three previously established laws, Boyle's law PV = K, Charles's law V/T = K, and Gay-law Lussac's P/T = K, are combined to form the combined gas law. Therefore, PV/T = K, where P is pressure, T is temperature, V is volume, and K is a constant, is the formula for the combined gas law.

Vehicle airbags operate according to the ideal gas law. The various gases immediately fill up inside the airbags after they are inserted, inflating them. The interaction between sodium azide and potassium nitrate fills the airbags with nitrogen gas.

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Out of the answer choices, rubidium has the highest energy valence shell. With a single electron in the fifth energy level, krypton will have the highest number of energy levels of the group I elements listed.

kasama na po jan ang explenation

The GFR of the person is 72 mL/min.

To determine the GFR of the person, we can use the formula:

GFR = (Urine inulin concentration x Urine flow rate) / Plasma inulin concentration

First, we need to calculate the urine flow rate. We know that a total of 180 mL of urine was collected over 2 hours, which means the urine flow rate is:

Urine flow rate = 180 mL / 2 hr = 90 mL/hr

Next, we can substitute the values we have into the formula:

GFR = (0.08 g/mL x 90 mL/hr) / 0.1 g/100 mL = 72 mL/min

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The correct answer is Carbon Monoxide (CO). When organic matter is burned with insufficient oxygen, it leads to incomplete combustion and the production of various gases, including carbon monoxide. Carbon monoxide is a colorless, odorless gas that is extremely poisonous and can be fatal in high concentrations.Carbon dioxide (CO2) is a product of complete combustion and is not produced when there is insufficient oxygen.Benzene is a hydrocarbon compound composed of six carbon atoms and six hydrogen atoms, and it is not produced from combustion.Methane (CH4) is a hydrocarbon compound composed of one carbon atom and four hydrogen atoms, and it is not produced from combustion.Mercury is a metallic element and is not related to combustion.

The increased distance across the cell will result in an increase absorbance reading.

The concentration of \([Fescn]_2\) would be affected if the cuvette had a 1.5 cm path length rather than the 1.0 cm value used.Since the absorbance of a sample is proportional to the concentration of a sample (as described by the Beer-Lambert law), increasing the path length of the cuvette would result in a decrease in absorbance. This means that the concentration of the sample would be lower than if the 1 cm path length was used. In other words, the concentration of \([Fescn]_2\)would be lower if the cuvette had a 1.5 cm path length than if it had a 1.0 cm path length.

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The overall combustion energy for the reaction is -110 kJ/mol.

The enthalpy of reaction, denoted as ΔH, is a measure of the heat energy exchanged or released during a chemical reaction at constant pressure. It represents the change in the internal energy of the system and is commonly referred to as the heat of reaction.

We know that the overall energy is given by;

[(2(805) + 2(464)] - [4(413) + 2(498)]

(1610 + 928) - (1652 + 996)

2538 - 2648

= -110 kJ/mol

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Answer:

A group of cells ready to form roots a stem and the first leaves

The formula of the molecule made by adding one fructose to a molecule of lactose is C24H42O21.

When fructose is added to lactose, a glycosidic bond forms between the fructose and lactose molecules. Lactose is a disaccharide consisting of one molecule of glucose and one molecule of galactose, linked by a β-glycosidic bond. Fructose, on the other hand, is a monosaccharide. The addition of one fructose molecule to lactose results in the formation of a trisaccharide. The fructose molecule attaches to the lactose molecule at the hydroxyl group of either the glucose or galactose unit, forming a new glycosidic bond.

The formula of the resulting molecule, C24H42O21, represents the combined molecular formula of the fructose, glucose, galactose, and the water molecule that is released during the formation of the glycosidic bond. This trisaccharide retains the general structure and properties of its constituent sugars but possesses a unique arrangement due to the formation of the glycosidic bond.

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The volume occupied by the gas in the container is approximately 0.09141 cubic meters.

To find the volume occupied by the gas in the container, we can use the ideal gas law equation:

PV = nRT

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

Pressure (P) = 200 kPa

Number of moles (n) = 2 moles

Temperature (T) = 300 K

We need to convert the pressure to SI units (Pascals) and the temperature to Kelvin.

1 kPa = 1000 Pa

200 kPa = 200,000 Pa

To convert from Celsius to Kelvin, we add 273.15 to the temperature.

300 K = 300 + 273.15 = 573.15 K

Now we can substitute the values into the ideal gas law equation:

(200,000 Pa) * V = (2 mol) * (8.314 J/(mol·K)) * (573.15 K)

Simplifying the equation:

V = [(2 mol) * (8.314 J/(mol·K)) * (573.15 K)] / (200,000 Pa)

V = 0.09141 m³

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Answer:

Of the following substances, PCl₃ has the highest boiling point

Explanation:

The given substances and their boiling point from online resources are;

Krypton, Kr, boiling point = -153.4°C

Chlorine gas, Cl₂, boiling point = -34.6°C

Borane, BH₃, (transient compound), boiling point of the dimer it forms B₂H₆ = -164.85°C

Methane, CH₄, boiling point = -161.6°C

Phosphorus trichloride, PCl₃, boiling point = 76.1°C

Therefore, given that PCl₃ is a volatile liquid at room temperature, while the other substances are gases and that PCl₃ has the highest boiling point of all the substances of 76.1°C, the substance with the highest boiling point is PCl₃.

Answer:

when we drink the milk the digestive system produce protease enzyme to break down the protein of milk.

Answer:

Explanation:

An equation showing only what is involved in the reaction.

a o e x

After 14.4 seconds, 12.5g of a 50g nitrogen sample are still present.

Half-life is the length of time that it takes for half of an unstable nucleus to go through its decay. The half-life of each chemical varies. Because carbon-10's half-life is so short (19 seconds), it is not possible to find this isotope in nature.

The Foundational Elements. A half-life is the duration needed for something to reduce in quantity by half. The phrase is most frequently used in reference to radioactive decay, which takes place when unstable atomic particles shed energy.

\(N(t) = N_0 (1/2)^(t/t_1/2})\)

N(t) = quantity of the substance remaining

N₀ = initial quantity of the substance

t = time elapsed

t1/2 = half life of the substance

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Answer:

In some cases, they might be bad but if they help with problems that are occurring and don't harm the planet by a lot then I believe that it's fine to use synthetic items.

Explanation:

have a good rest of ur day

During cellular respiration, oxygen and glucose are converted into water and carbon dioxide. The procedure produces ATP, which is converted into energy, carbon dioxide, water, and other byproducts.

Oxygen might be either present or absent while organisms are respiring. However, the activity is essentially known as "cellular respiration" so because cell seems to "respire" by consuming molecular oxygen (as an electron acceptor) and exhaling carbon dioxide (as an end product).

The process by which glucose is broken down in the presence of oxygen in the mitochondria of animals (animals and plants) to release energy in the form of ATP is referred to as cellular respiration.

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Answer:

i think it's B.

Explanation:

Answer:

Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.

The bonding in HNNH is Sp² orbitals on each nitrogen overlap and form a sigma bond

To verify the accuracy of any chemical structure, we use the octet rule, which states that all atoms in a compound are expected to abide by. In the model of carbon IV oxide, every atom precisely satisfies the octet rule. Each atom in the molecule has eight electrons surrounding its valence shell. Given the total number of bonds and electrons, as well as the fact that CO2 has sixteen valence electrons, we can therefore conclude that this structure is correct.

It has a negative charge that is comparable to its negative charge, which is 1.602176634 coulombs, the fundamental unit of electric charge. Only 1/1,836 the mass of a proton, or 9.1093837015 10-31 kg, makes up the rest mass of an electron.

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I know it’s E and A

Explanation: did you count it’s exactly 28, also the electrons are not visible.

Ps: I’m in 5th grade, what grade is this, if my suggestion was correct then holy crackers.