Using your knowledge of properties of matter, choose the correct description: Question 3 options: physical prop. are luster, color & reactivity Chemical prop. are conductivity, flammability & reactivity Chemical prop. are tarnishing, flammability & reactivity physcial prop are malleability, conductivity & rusting

When H2 is added to the container, the reaction shifts to the right, the partial pressure of CO decreases, and the partial pressure of CH3OH increases.

CO(g) + 2 H2(g) ⇌ CH3OH(g)

The reason is that the reaction moves in the forward direction is that there is more hydrogen H2 on the reactant side, which would make it shift in the forward direction.

This shift can be represented in the following way:

CO(g) + 2 H2(g) ⇌ CH3OH(g)Initial state:

P(CO) = P1, P(H2) = P2, P(CH3OH) = P3

Addition of hydrogen:

H2 (g) = +ΔxCO (g) = - ΔxCH3OH (g) = + Δx

Equilibrium state:

P(CO) = P1 - ΔxP

(H2) = P2 + ΔxP

(CH3OH) = P3 + Δx

So, the partial pressure of CO decreases and the partial pressure of CH3OH increases when H2 is added to the container.

Hence, the answer is:

Partial pressure of CH3OH increases.

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Carnot's work attracted little attention during his lifetime, but it was later used by Rudolf Clausius and Lord Kelvin to formalize the second law of thermodynamics and define the concept of entropy.

Sadi Carnot was a French physicist who is known for his studies on the efficiency of heat engines. In 1824, he published a book called "Reflections on the Motive Power of Fire," in which he laid out the principles of thermodynamics and introduced the concept of entropy. His work was crucial in the development of the steam engine, as it helped engineers to understand how to make engines more efficient. Carnot's studies on steam engine efficiency laid the groundwork for the development of the concept of entropy, which is a measure of the disorder or randomness of a system. (C)

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Explanation:

I guess since it has greater number on ions it won't react as heavily as the others, I'm going based off of atoms.

A typical IR spectrum displays peaks between 3600 and 500 cm-1, allowing us to link particular peaks to particular functional groups.

A specific range characteristic of each type of compound is assigned the value of the C=O. stretching wavenumber to execute the analysis. Therefore, it is believed that ketones exist between 1715 and 1740 cm-1, while simple esters are found between 1740 and 1760 cm-1, which is 20 to 30 cm-1 higher.

Aldehydes and ketones exhibit a strong, distinct band in the shape of a stake between 1710 and 1720 cm-1 (right in the middle of the spectrum).

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Yes. Stars use fusion to create nuclear energy, which is what makes them "alive". The older they are, the "bigger" the element in them is. Hydrogen turns into Helium, and when hydrogen is used up, the helium starts fusing into bigger elements. it stops at iron however. Once stars start fusing silicon to iron, it is doomed because it takes more energy than it gives off.

Explanation:

Igneous rocks are one of the types of rocks that we have. They are usually formed by the cooling and solidification of magma.

We magma cools, they begin to crystallize minerals from within them and these are the minerals that forms the eventual rock when all is set.

True. Polarity impacts bonding between water molecules in both liquid and solid states. Polarity arises due to the unequal sharing of electrons between oxygen and hydrogen atoms in a water molecule, leading to partial positive and negative charges.

These charges cause water molecules to form hydrogen bonds, which give water its unique properties in liquid and solid states. Water molecules have a polar covalent bond due to the unequal sharing of electrons between the hydrogen and oxygen atoms. This polarity allows water molecules to form hydrogen bonds with each other. In the liquid state, water molecules are constantly moving and forming and breaking hydrogen bonds with each other. In the solid state, the water molecules are arranged in a crystal lattice structure where each molecule is bonded to four others through hydrogen bonds. This arrangement gives ice a lower density than liquid water and allows it to float. The polarity of water also makes it a good solvent for polar and charged substances.

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The kinetic energy of the alpha particle is equal to: B.\(7.47 \times 10^{-13}\;J\)

Given the following data:

Scientific data:

To calculate the kinetic energy of the alpha particle:

Mathematically, kinetic energy is calculated by using this formula;

\(K.E = \frac{1}{2} MV^2\)

Where:

Substituting the given parameters into the formula, we have;

\(K.E = \frac{1}{2} \times 6.642 \times 10^{-27}\times (1.5 \times 10^{7})^2\\\\K.E = \frac{1}{2} \times 6.642 \times 10^{-27}\times 225 \times 10^{14}\\\\K.E =6.642 \times 10^{-27}\times 1.125 \times 10^{14}\\\\K.E =7.47 \times 10^{-13}\;J\)

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The correct statement about the element oxygen (O) based on the Periodic Table is: It has 6 protons and 8 neutrons. So, option (C) none of these choices are correct is the answer.

The element oxygen has an atomic number of 8, which indicates that it has 8 protons in its nucleus. The number of protons determines the element's identity. Additionally, the atomic mass of oxygen is approximately 16, and since the atomic mass is the sum of protons and neutrons, subtracting the number of protons (8) from the atomic mass (16) gives us the number of neutrons, which is 8.

Regarding the electron configuration, oxygen has 2 electrons in the innermost shell and 6 electrons in the second shell, making a total of 8 electrons. The outermost shell, also known as the valence shell, contains 6 electrons. This electron configuration enables oxygen to readily form bonds with other elements.

Therefore, the statement "It has 6 protons and 8 neutrons" is correct for the element oxygen (O) based on the information from the Periodic Table.

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Answer:

Strong acid

Explanation:

Answer:

Strong acid

Explanation:

Answer:

Explanation:

This question is asking to convert a measurement in kilometers to meters

The production of nylon involves the reaction of two monomers: hexamethylenediamine and adipic acid. The reaction proceeds in several steps:

The hexamethylenediamine acts as a nucleophile and attacks the carbonyl group of the adipic acid, forming an amide bond and releasing a water molecule:

HOOC-(CH2)4-COOH + NH2-(CH2)6-NH2 → HOOC-(CH2)4-CO-NH-(CH2)6-NH2 + H2O

The resulting molecule, called a dipeptide, undergoes a dehydration reaction, where a water molecule is eliminated to form a peptide bond and a new molecule of water:

HOOC-(CH2)4-CO-NH-(CH2)6-NH2 → HOOC-(CH2)4-NH-(CH2)6-CO-NH-(CH2)4-COOH + H2O

The process repeats itself, with more dipeptides reacting to form longer chains, until a large polymer is formed.

The new linkage formed as a result of the polymerization is called an amide linkage or peptide bond. It is a covalent bond between the carbonyl group of one monomer and the amino group of another monomer, formed by the elimination of a water molecule.

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The concentration of hydronium ion is 3.802 x 10⁻⁴ M. The correct answer is option (a).

The concentration of hydronium ion [H₃O⁺] can be calculated using the formula: pH = -log[H₃O⁺]

Rearranging the equation, we get:

[H₃O⁺] = \(10^{{(-pH)\)

Substituting the given pH value of 3.42, we get:

[H₃O⁺] = \(10^{(-3.42)\)

[H₃O⁺] = \(3.802 \times 10^{(-4)} M\)

The pH of a solution is defined as the negative logarithm of the hydronium ion concentration [H₃O⁺]. The concentration of hydronium ion can be calculated by taking the antilog of the negative pH value.

In this problem, we are given the pH value of a solution and asked to calculate the concentration of hydronium ion.

By substituting the given pH value into the formula [H₃O⁺] = 10^(-pH), we get the concentration of hydronium ion in the solution. The answer is expressed in Molarity (M), which is the number of moles of solute per liter of solution. The right option is (a)

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The pH of the solution will be 10.47.

The pH of a solution is mathematically given as:

 pH = - log [\(H^+\)] of -log [\(H_3O^+\)]

Thus, in this case, with  [\(H_3O^+\)]  of 3.4 x 10-¹¹ M:

pH = -log 3.4 x \(10^-^1^1\) = 10.47

Thus, the pH of the solution will be 10.47.

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Calcium phosphate can be converted into phosphorus using the following reaction: 6CaSiO3-(aq) + 2Ca3(PO4)2(s) = 6SiO2(s) + 10C(s).

Thus, the amount of moles for phosphorus is equal to the quantity of phosphorous divided by its molar mass. Now divide the molarity of phosphorus, which is 31 g each mole and weighs 114.95 g. Graham and this crime should cancel each other out. And after solving, 3.71 malls result.

You need to know the product's mass and its molarity (h t), which corresponds to the mass with one mole of the product, in order to determine the moles of the a substance.

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Answer:

A conduct heat

Explanation:

because in cooking burners on stove will conduct heat energy to the bottom of the pan sitting on top of it. From there, the pan conducts heats to it content.

The mileage rate of the car is approximately 52,383.55 meters per deciliter (m/dL) when given the average of 32.5 miles per gallon (mi/gallon).

To convert the mileage rate from miles per gallon (mi/gallon) to meters per deciliter (m/dL) using dimensional analysis, we need to apply conversion factors that relate the given units to the desired units.

Given:

Mileage rate = 32.5 mi/gallon

We can set up the dimensional analysis as follows, using the conversion factors:

32.5 mi/gallon * (1609.34 m/1 mi) * (1 gallon/3.78541 dL)

Let's break down the conversion factors used:

1 mi = 1609.34 m (conversion factor to convert miles to meters)

1 gallon = 3.78541 dL (conversion factor to convert gallons to deciliters)

Now, we can multiply the given mileage rate by the conversion factors:

32.5 mi/gallon * (1609.34 m/1 mi) * (1 gallon/3.78541 dL) = (32.5 * 1609.34) m/dL ≈ 52,383.55 m/dL

Therefore, the mileage rate of the car is approximately 52,383.55 meters per deciliter (m/dL) when given the average of 32.5 miles per gallon (mi/gallon).

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Answer:

The answer is “They supported the use of radioactive elements for medical diagnostic purposes”.

Answer:

They supported the use of radioactive elements for medical diagnostic purposes.

Explanation:

(Its a recorded fact)

Answer:

Both similes and metaphors are a poetic device because authors can be seen using them while writing their poem to give the reader a deeper understanding of the character and the setting. Metaphor is a figure of speech that talks about one this but refers to another. On the other hand, a simile is a figure of speech that compares two things together. Usually using the work "like" or "as".

Hoped it helped! Have a great day!

Answer:

The first one is on google

Explanation:

The molar mass of the equation S   +   6 HNO3  -->  H2SO4  +  6 NO2  +   2 H2O is 0.7g H2O.

This is a rather straightforward application of stoichiometry. We simply convert our mass of nitric acid into moles, so we can use the stoichiometric ratios provided in the balanced equation to our advantage:

(135.8g HNO3)(1 mol HNO3/63g HNO3)(2 mol H2O/6 mol HNO3)

molar mass = 0.7g H2O

Molar mass is a fundamental concept in chemistry that refers to the mass of one mole of a substance. A mole is a unit of measurement used to express the number of particles in a sample, such as atoms, molecules, or ions. One mole of any substance contains Avogadro's number of particles, which is approximately 6.02 x 10^23 particles.

The molar mass of a substance is calculated by adding up the atomic masses of all the atoms in a molecule or formula unit. The atomic mass is the mass of an individual atom, expressed in atomic mass units (amu). The molar mass is then expressed in grams per mole (g/mol). Molar mass is a useful concept in chemistry because it allows chemists to convert between the mass of a substance and the number of particles present in a sample.

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It is to be noted that the Total Distance traveled is 130 meters while the total displacement is 40 meters to the right.

A displacement is a vector in geometry and mechanics whose length is the smallest distance between the beginning and final positions of a moving point P.

Displacement = final position - beginning position = change in position is the formula.

The distance is determined by adding up all the ground that was covered. That is, add the distances from A to B, then from B to C to D, and then from D to E.  This means one must add 40 m (A to B) and 45 m (B to C to D) and 45 m (D to E).

The displacement is determined by simply measuring from the starting position (A) to the final position (E). This is 40 m, directed to the right.

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Full Question:

A car in a parking lot travels back and forth in a parking lane in an effort to find a good parking spot. Given the images attached, find the Distance traveled and the Displacement.

You would need to take 1864 mL of concentrated hydrochloric acid to prepare 2.80 L of 0.540 M HCl.

To calculate the amount of concentrated hydrochloric acid required, we need to find the number of moles of hydrochloric acid in the final solution and then work backwards to find the amount of concentrated solution required.

The number of moles of hydrochloric acid in the final solution can be calculated as follows:

We know that the concentrated hydrochloric acid is 37.0% HCl by mass and has a density of 1.20 g/mL, so we can calculate the number of moles of HCl in one milliliter of the concentrated solution as follows:

Therefore, to obtain 1.50 moles of HCl, we would need 1.50 moles / 0.0124 moles/mL = 121 mL of the concentrated solution. However, we want to prepare 2.80 L of the final solution, so we would need

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Complete Question:

Hydrochloric acid is usually purchased in a concentrated form that is 37.0% HCl by mass and has a density of 1.20 g/mL. How much concentrated solution would you take to prepare 2.80 L of 0.540 M HCl by mixing with water?

Answer:The thermal waters of a spring have a hydronium ion (H3O+) concentration of 2.00 x . 2. Acetic acid (CH3COOH) is one of the simplest carboxylic acids. It is an important chemical reagent and industrial chemical.Have a hydronium ion (H3O+) concentration of 2.00 x 10-6 M. Calculate the pH of the water.

Explanation: The thermal waters of a spring have a hydronium ion (H3O+) concentration of 2.  spring have a hydronium ion (H3O+) concentration of 2.00 x 10-6 M. Calculate the pH of the water. 2. Acetic acid (CH3COOH) is one of the simplest carboxylic acids. It is an important chemical reagent and industrial chemical.

Answer:

The periodic table was created to organize the elements and provide physical and chemical properties, also to group with elements like it.

Hope this helps

Answer:

It's 174 m/s

Explanation:

I just took the quiz and got it right.

The speed of a wave with a frequency of 2Hz and a wavelength of 87m is 174m/s.

The speed of a wave can be calculated using the following formula:

wave speed = frequency x wavelength

According to this question, wave with a frequency of 2 Hz and a wavelength of 87 m is given. The speed of the wave is calculated as follows:

Speed of wave = 2Hz × 87m

Speed of wave = 174m/s

Therefore, the speed of a wave with a frequency of 2Hz and a wavelength of 87m is 174m/s.

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Answer:

Atoms often get electrons or lose. The atom lacks or earns a "negative" load. Then these electrons are known as ions. Positive ion - If the molecule lacks an electron, it gets more protons than ions.

Explanation:

Hence, the correct option is D) C5H7O3.

Nicotine is an addictive substance that is found in cigarettes.

The chemical formula for nicotine is C10H14O6.

To determine the empirical formula, one must find the smallest whole-number ratio of the atoms present. For that, we need to divide the subscripts by their greatest common divisor which in this case is 2.

According to the question, the chemical formula of nicotine is C10​H14​O6​.We need to determine its empirical formula.

To do this, we divide each subscript by their greatest common divisor which is 2 in this case.C10H14O6→C5H7O3Therefore, the empirical formula of Nicotine is C5H7O3.

Hence, the correct option is D) C5H7O3.

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