Write the balanced equation for : potassium chlorite decomposing to potassium chloride and oxygen . (use —> for the arrow)

Answer:

SEi the answer is he need some milk and meta and cuCUMbers

Explanation:

Answer:

they are called isotopes

In acetone, the bolded atom is the central carbon atom (C). The central carbon atom in acetone uses sp2 hybrid orbitals to accommodate its electronic geometry. These hybrid orbitals allow for the three electron domains around the central carbon atom to be arranged in a trigonal planar geometry.

This carbon atom is attached to two other carbon atoms (C), one oxygen atom (O), and three hydrogen atoms (H). To identify the hybrid orbitals used by the central carbon atom, we need to first determine the electronic geometry around it.

The electronic geometry around the central carbon atom is trigonal planar, which means that it has three electron domains around it. These electron domains consist of one double bond (between the C and O atoms) and two single bonds (between the C and H atoms).

To accommodate these three electron domains, the central carbon atom in acetone must use sp2 hybrid orbitals. These hybrid orbitals are formed by mixing one s orbital and two p orbitals of the central carbon atom. The resulting three sp2 hybrid orbitals are oriented in a trigonal planar arrangement around the central carbon atom, with an angle of 120 degrees between them.

In summary, the central carbon atom in acetone uses sp2 hybrid orbitals to accommodate its electronic geometry. These hybrid orbitals allow for the three electron domains around the central carbon atom to be arranged in a trigonal planar geometry.

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When 3.50 g of Mg(OH)2 is dissolved in 1.5 L of a 0.200 M KOH solution, the concentration of Mg2+ ions can be determined using the solubility product (Ksp) of Mg(OH)2, which is 1.2 x 10^-11.

First, calculate the concentration of OH- ions in the KOH solution:
OH- concentration = 0.200 mol/L

Next, write the solubility product expression for Mg(OH)2:
Ksp = [Mg2+][OH-]^2

Plug in the known values and solve for the Mg2+ concentration:
1.2 x 10^-11 = [Mg2+](0.200)^2,

Now, we can use the Ksp equation to solve for the concentration of Mg2+ ions:

Ksp = [Mg2+][OH-]^2
1.2 x 10^-11 = [Mg2+][0.200]^2
[Mg2+] = 1.2 x 10^-11 / 0.04
[Mg2+] = 3.0 x 10^-10 M
Therefore, the concentration of Mg2+ ions in the solution is 3.0 x 10^-10 M.

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To find the concentration of Mg2+ ions, we first need to write the chemical equation for the dissolution of Mg(OH)2:
Mg(OH)2 (s) ⇌ Mg2+ (aq) + 2OH- (aq)

The solubility product expression for Mg(OH)2 is:
Ksp = [Mg2+][OH-]^2 = 1.2 x 10^-11

We know that 3.50 g of Mg(OH)2 are dissolved in 1.5 L of a 0.200 M solution of KOH.

To determine the concentration of Mg2+ ions, we need to use the stoichiometry of the balanced equation.

First, we need to calculate the number of moles of KOH present in 1.5 L of a 0.200 M solution:
n(KOH) = Molarity x Volume = 0.200 mol/L x 1.5 L = 0.300 mol

Since KOH is a strong base, it will dissociate completely in water to form OH- ions. Therefore, the concentration of OH- ions in the solution will be:
[OH-] = n(OH-) / V = 0.300 mol / 1.5 L = 0.200 M

Now we can use the solubility product expression to find the concentration of Mg2+ ions:

Ksp = [Mg2+][OH-]^2
[Mg2+] = Ksp / [OH-]^2 = (1.2 x 10^-11) / (0.200 M)^2 = 3.0 x 10^-10 M

Therefore, the concentration of Mg2+ ions in the solution is 3.0 x 10^-10 M.

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The cat will be 367.72 centifingers tall.

1 finger = 3.1 inches

Recall that: centi =  \(10^-^2\)

Thus, 1 centifinger = \(10^-^2\) finger

The cat is 11.4 inches tall.

If 1 finger = 3.1 inches

Then, how many fingers will make 11.4 inches?

= 11.4 x 1/3.1 = 3.6772 fingers

3.6772 fingers = 3.6772 x  \(10^2\) centifinger

                          = 367.72 centifingers

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Answer:

7.5X1000

scientific notation

moles = mass / molar mass We know the moles of oxytocin acetate recovered (2.2 x 10^-6 moles) and its molar mass (1067 g/mol). We need to find the mass of the oxytocin acetate in the solution, and from there we can determine the volume of the solution.

mass = moles x molar mass
mass = 2.2 x 10^-6 moles x 1067 g/mol
mass = 2.3454 x 10^-3 g

Now, we need to take into account the 10 mM Zn2+ additive. We don't know the exact concentration of the oxytocin solution, but we can assume that the 10 mM Zn2+ additive does not significantly change the volume of the solution. Therefore, we can calculate the volume of the solution using the mass of oxytocin acetate and its concentration in the original sample.Let's assume that the original sample had a concentration of 1 mM (this is just an example, the actual concentration could be different). This means that there was 1 mmol of oxytocin acetate per liter of solution. To find the volume of the solution that was analyzed, we can use the following formula:
volume = mass / (concentration x molar mass)
volume = 2.3454 x 10^-3 g / (1 x 10^-3 mol/L x 1067 g/mol)
volume = 2.3454 x 10^-6 L or 2.3454 µL
Therefore, the approximate volume of the oxytocin solution with the 10 mM Zn2+ additive that was analyzed is 2.3454 µL.

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The approximate volume of the oxytocin solution with the 10 mM Zn²⁺ additive that was analyzed is 2.3454 µL.

moles = mass / molar mass

We know the moles of oxytocin acetate recovered (2.2 x 10⁻⁶ moles) and its molar mass (1067 g/mol).

mass = moles x molar mass

mass = 2.2 x 10⁻⁶ moles x 1067 g/mol

mass = 2.3454 x 10⁻³ g

Utilizing the mass of oxytocin acetate and its concentration in the first sample, we can determine the volume of the solution. Assume for the sake of argument that the first sample had a concentration of 1 mM (the real concentration may have been different).

This indicates that each litre of solution contained 1 mmol of oxytocin acetate. Using the following formula, we can get the volume of the solution that was examined:

volume = mass / (concentration x molar mass)

volume = 2.3454 x 10⁻³ g / (1 x 10⁻³ mol/L x 1067 g/mol)

volume = 2.3454 x 10⁻⁶ L or 2.3454 µL

Therefore, the approximate volume of the oxytocin solution with the 10 mM Zn²⁺ additive that was analyzed is 2.3454 µL.

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Answer: D.)Topsoil

Explanation: Have agriculture

The solid commonly used as an inactive electrode in electrochemical cells is Graphite. So option b is the correct answer.

Graphite is often chosen as an electrode material because it is chemically inert, highly conductive, and has a stable structure. This makes it suitable for various electrochemical applications without affecting the overall cell reactions.

An inactive electrode, also known as an inert electrode, is an electrode that does not participate in the chemical reaction occurring in the cell but serves as a conductor for the flow of electrons.

The graphite working electrode, which can be employed as an anode or a cathode in various electrochemical applications, is renowned for its chemical stability, superior electrical conductivity, and high melting point.

So the correct answer is option b. Graphite.

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The statements that correctly describe the IUPAC rules for naming an alkane are statements C and D.

According to IUPAC (International Union of Pure and Applied Chemistry) rules for naming alkanes:

1. The parent name is obtained by finding the longest continuous carbon chain. This chain forms the backbone of the alkane molecule and determines its name.

2. The substituents of an alkane are listed in order of the carbon atom they are bonded to. Substituents are other groups or atoms attached to the main carbon chain, and they are named as prefixes to indicate their presence.

3. Each substituent does not necessarily need to be individually numbered if they are identical.

4. The parent chain is numbered in a way that the substituents receive the lowest possible locants (numbers). The numbering is determined by giving the substituent with the lowest number the first priority.

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Answer: B) Sperm

Explanation:  For lazy gang wya Lol

The main plant structure that provides most of the water necessary for photosynthesis is the root system.

The root system of a plant is responsible for absorbing water from the soil. It consists of roots that extend deep into the ground, allowing the plant to access water from underground sources such as groundwater or moisture in the soil. Through a process called osmosis, water moves into the roots and is transported to the rest of the plant, including the leaves where photosynthesis takes place.

The water absorbed by the roots provides the necessary hydration for the photosynthetic process, allowing plants to produce glucose and oxygen using sunlight and carbon dioxide. Thus, the root system plays a vital role in providing most of the water required for photosynthesis in plants.

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We must take into account the suggested mechanism mentioned in your previous mail in order to anticipate the rate equation for the reaction between chlorine atoms (Cl) and ozone (O3):

ClO + O3 Cl + 2O2 (rapid step), step 1.

Step 2 (slow step): ClO + Cl Cl2 + O2.

The whole response can be expressed as follows:

2O3 → 3O2

By taking into account the rate-determining step, which is the slowest step in the suggested mechanism, we may formulate the rate equation for the total reaction. It is Step 2 in this instance:

Rate = k[ClO][Cl]

Where:

k is the rate constant for the reaction

[ClO] is the concentration of ClO

[Cl] is the concentration of Cl

Rate = k[ClO][Cl]

Where: [ClO] is the concentration of ClO [Cl] is the concentration of Cl, and k is the reaction's rate constant

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Answer:

Diaphragm (a muscle)

Explanation:

the diaphragm moves the allows for more opening as it contracts down. It would most likely be the muacular system since the diaphragm is a muscle.

Answer:

False.

Explanation:

Dimensional analysis is a way of converting quantities. The study of space and time is cosmology.

The value of ΔG for the acid's dissociation is -8.30 x 10^3 J/mol. To calculate ΔG for the acid's dissociation, we need to use the relationship between ΔG and the equilibrium constant (K).

The dissociation of a weak acid can be represented by the equation HX ⇌ H+ + X-. The equilibrium constant for this reaction is Ka, the acid dissociation constant. The formula for ΔG in terms of Ka is: ΔG = -RTln(Ka), where R is the gas constant and T is the temperature in Kelvin.

Given that the pH of the solution is 5.83, we can calculate the concentration of H+ ions to be 1.42 x 10^-6 M using the formula pH = -log[H+]. Since HX is a weak acid, we can assume that the concentration of undissociated HX is approximately equal to the initial concentration of 0.10 M. From this, we can calculate the value of Ka using the equation Ka = [H+][X-]/[HX], where [X-] is also equal to [H+]. Plugging in the values, we get Ka = 1.6 x 10^-6.

Converting the temperature of 25 C to Kelvin, we get T = 298 K. Using the formula for ΔG, we can calculate ΔG = -RTln(Ka) = -8.30 x 10^3 J/mol.

Therefore, the value of ΔG for the acid's dissociation is -8.30 x 10^3 J/mol.

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Answer:

6 × 10^23 atoms

Explanation:

This is because Avogadro's number aka 6.02 x 10^23 is applicable to every element and is the number of atoms in any 1 mole of an element. The answer 6 x 10^23 is closest to 6.02 x 10^23 because the 6.02 was rounded to just 6. Hope this helps :)

Answer:

The answer is D)

Explanation:

6 X 10^23

Given that, Mass of mercury (m) = 300 kg and Density of mercury = SG = 13.456 kg/m³

We know that; Density = mass/volume or Volume = mass/density.

Formula to calculate volume;

Volume = m/SG = 300/13.456

Volume of mercury in ft³ = Volume in m³ × 35.315

So, the volume of 300 kg of mercury in ft³ (use SG=13.456) is given by;

Volume = m/SG = 300/13.456 ≈ 22.317 m³ (3 decimal places)

Volume in ft³ = 22.317 × 35.315 ≈ 787.770 ft³ (3 decimal places).

Therefore, the volume of 300 kg of mercury in ft³ (use SG=13.456) is approximately 787.770 ft³.

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Answer:

circuit

electric current

voltage difference

ohms law

resistance ​

Explanation:

Circuit - a roughly circular line, route, or movement that starts and finishes at the same place.

Electric current - A net unidirectional movement of electrons, or other charge carriers, caused by a potential difference

Voltage difference - A potential difference of one Volt is equal to one Joule of energy being used by one Coulomb of charge when it flows between two points in a circuit.

Ohms law -a law stating that electric current is proportional to voltage and inversely proportional to resistance.

Resistance - The refusal to accept or comply with something; the attempt to prevent something by action or argument.

The possible error of measurement while using the graduated cylinder is equals to 0.1 ml. Therefore, the right choice for answering this question is option (d).

Graduated cylinders are long, slender vessels used for measuring the volumes of liquids. A graduated cylinder measures in mililiters. The English system equivalent is pints, quarts, and gallons. It is much easier to measure in milliliters, because it is already divided into the decimal system for you. The graduated cylinder allows the user to estimate the reading to the nearest 0.1 mL. On other hand, the 1 mL pipet allows the user to estimate the reading up to the nearest 0.01 mL. Hence, the required error value is 0.1 ml.

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Answer:

you have to answer it in your own words and with information you know not from someone else

sorry kiddo

Explanation:

Answer:

12.3

Explanation:

Trust

Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, 12.3L is the volume of a balloon that contains a 1.00 mol sample of oxygen with a pressure of 2.00 atm at 300.0 K.

Ideal gas equation is the mathematical expression that relates pressure volume and temperature. There is no force of attraction between the particles.

Mathematically the relation between Pressure, volume and temperature can be given as

PV=nRT

where,

P = pressure of oxygen gas= 2.00 atm

V= volume of oxygen gas =?

n =number of moles of oxygen gas=1.00 mol

T =temperature of oxygen gas =300.0 K

R = Gas constant = 0.0821 L.atm/K.mol

Substituting all the given values, we get

2.00×V=1× 0.0821×300.0

On calculation we get

Volume=12.3L

Therefore, the volume of oxygen is 12.3L.

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Answer:

Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating.

Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating. Hence option B is correct.

Acceleration is defined as the speed at which an object's velocity changes over time. The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is accelerating. Acceleration can be expressed as

Acceleration = Displacement / Time

Velocity is defined as the pace at which an item changes position while moving in one direction, as seen from a certain point of view and as measured by a specific unit of time. Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path.

Thus, Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating. Hence option B is correct.

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Answer:

The general formula for a straight chain alkane is CnH(2n+...so correct option is C and D

Answer:

Selenium trisulfide