Write balanced nuclear equations for the following:(c) Electron capture by ¹¹⁰₄₉In

Answer:

stars

earth isn't made of gas. (and you can always see it)

moon us not gas, or give off heat

sun is only visible during the day

The chemical formula of muscovite is given as (KF)₂(Al₂O₃)₂(SiO₂)(H₂O).

The mineral muscovite is very useful in the formation of rocks. It is composed of  aluminum and potassium in the hydrated form and is part of the mica family. It can be found in  igneous, metamorphic, and sedimentary rocks.

Rocks are massive structures which could be found above or below the earth's surface. They are formed by molten magma or by the deposition of materials in layers overtime. Some types of rocks are formed from changes in existing rocks.

The Muscovite could be used in cosmetics as well as to make a paint to shine The chemical formula of muscovite is given as (KF)₂(Al₂O₃)₂(SiO₂)(H₂O). We can see that it contains the elements aluminum, potassium and silicon.

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Answer:

Subatomic particles

Explanation:

I hope it helped

Anode in a bath of molten cryolite heated to between 950 and 1000 °C is part of an electrolytic reduction cell for the manufacture of metal.

The Faraday constant F represents the charge of a mole of electrons (96485 C/mol), and since each mole of water requires two moles of electrons, the minimum voltage required for electrolysis is roughly 1.23 V. This voltage decreases when electrolysis is performed at a high temperature.

Therefore, during electrolysis, the rate of the reaction increases as voltage is raised. The nature and material of the electrode, the presence of oxidizing and reducing chemicals in the electrolyte, and electrode potential are the parameters that affect the electrolysis process.

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Answer:

according to quantum physics newtons 3rd law is in the state of nuclear power things so the answer is c

Explanation:

according to quantum physics newtons 3rd law is in the state of nuclear power things so the answer is c

Explanation:

explain beeter

Answer:

1 + (2+3+2)×3

1+7×3

1+21

22

Explanation:

please mark me as brainliest

Answer: 1 + 6 + 9 + 6 = 22

Explanation:

al = 1

c = 6

h = 9

o = 6

The standard reaction enthalpy for the given reaction is +235.8 kJ/mol.

The standard reaction enthalpy (ΔH°) for the given reaction is determined as follows:

Equation of reaction: 3 Fe₂O₃ (s) → 2 Fe₃O₄ (s) + ½ O₂ (g)

The standard enthalpy of formation values for Fe₂O₃ (s), Fe₃O₄(s), and O₂(g) is used to calculate the standard reaction enthalpy.

ΔH° = [2 × ΔH°f(Fe₂O₃)] + [½ × ΔH°f(O₂)] - [3 × ΔH°f(Fe₃O₄)]

where;

ΔH°f(Fe₂O₃) = -824.2 kJ/mol

ΔH°f(Fe₃O₄) = -1118.4 kJ/mol

ΔH°f(O₂) = 0 kJ/mol

ΔH° = [2 × (-1118.4 kJ/mol)] + [½ × 0 kJ/mol] - [3 × (-824.2 kJ/mol)]

ΔH° = -2236.8 kJ/mol + 0 kJ/mol + 2472.6 kJ/mol

ΔH° = 235.8 kJ/mol

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Answer:

CH4

Explanation:

I'll assume the x is the subscript for the hydrogen, as in CH\(x\)

We have 9g of C in the 12 gram sample.  The remainder is hydrogen, H, we're promised.  That means 3 grams of H.

Let's convert these two masses into moles of C and H.  With moles, we are able to see the count relationship between the two elements.  

Moles C = 9 g/12 g/mole = 0.70 moles C

Moles H = 3g/1 g/mole = 3.0 moles H

See the attached table.

We want whole numbers so let's take (1/0.70) = 1.33455 and then multiply this factor by both mole values:

Moles C = 1

Moles H = 4.0037, which we'll round to 4

There are 4 H for every 1 C

CH\(4\)

The relative atomic mass of hydrogen is 1 and of carbon is 12. 12g of an unknown hydrocarbon was found to contain 9g of carbon. The value of x is 4.

The ratio of both the average weight of atoms of such a chemical element found in a particular sample towards the atomic mass standard is known as relative atomic mass, sometimes referred to as RAM or by the obsolete term atomic weight.

The mass of an atom of carbon-12 is used to establish the atomic mass constant. Since the ratio's two components are masses, the final number has no dimensions, which is why it is referred to as relative. The relative atomic mass of hydrogen is 1 and of carbon is 12. 12g of an unknown hydrocarbon (containing hydrogen and carbon only) was found to contain 9g of carbon. The value of x is 4.

Therefore, the value of x is 4.

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Answer:

this is what i know

Explanation:

Molecules or ions of a solute spread throughout the water molecules

Answer:

the nominal density of a golf ball is to be approximately 0.65 ounces per cubic inch.

Explanation:

No atoms are lost or made during the chemical reaction so the total mass of the products is equal to the total mass of the reactants. In an atom, protons and neutrons contribute to the mass and since the number of them doesn’t change, the mass doesn’t either.

Answer:

A. Diffusion is the spreading of gas particles into a larger area as they intermingle with particles of other gases. In diffusion of gases, moleculesof gases concentrated in a particular area or region spread out to larger areas until they are evenly distributed.

B. Kinetic-molecular theory relates the kinetic energy of gas particles to their motion. The theory visualizes gas particles as concrete, constantly-moving spheres that are constantly changing direction as a result of frequent elastic collisions with other gas particles. The average kinetic energy of the gas molecules is directly proportional to the gas' absolute temperature.

C. The rate of gas diffusion is directly proportional to temperature because a higher temperature means a/an increase in the kinetic energy of molecules. The rate of gas diffusion is inversely proportional to the molecular weight of the gas because gas particles with higher masses require greater energy to move compared to gas particles with lower masses.

Explanation:

Define diffusion.

Diffusion is the spreading of gas particles into a larger area as they intermingle with particles of other gases. In diffusion of gases, moleculesof gases concentrated in a particular area or region spread out to larger areas until they are evenly distributed. For example, the smell of a rotten egg spreads out from the source to a larger area through the process of diffusion.

(b) Describe kinetic-molecular theory.

Kinetic-molecular theory relates the kinetic energy of gas particles to their motion. The theory visualizes gas particles as concrete, constantly-moving spheres that are constantly changing direction as a result of frequent elastic collisions with other gas particles. The average kinetic energy of the gas molecules is directly proportional to the gas' absolute temperature.

(c) Predict how factors that influence the kinetic energy of gas particles affect the rate of diffusion.

The rate of gas diffusion is directly proportional to temperature because a higher temperature means a/an increase in the kinetic energy of molecules. The rate of gas diffusion is inversely proportional to the molecular weight of the gas because gas particles with higher masses require greater energy to move compared to gas particles with lower masses.

Answer:

Explanation:

For the first row, only protons identify an element. For the second row, protons and neutrons affect mass. For the third row, protons and electrons affect charge.

40.32 grams of hydrogen gas will be produced.

According to the balanced chemical equation:

1 mol of Zn reacts with 2 mol of HCl to produce 1 mol of H2

So if 20.0 mol of Zn is added to excess HCl, all the Zn will react to produce:

20.0 mol Zn × 1 mol H2 / 1 mol Zn = 20.0 mol H2

To calculate the mass of H2 produced, we need to use its molar mass, which is 2.016 g/mol:

Mass of H2 = number of moles of H2 × molar mass of H2

Mass of H2 = 20.0 mol × 2.016 g/mol

Mass of H2 = 40.32 g

Therefore, 40.32 grams of hydrogen gas will be produced.

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Answer:

True

Explanation:

In general, metals are located on the left of the periodic table. Nonmetals are on the right. This means that they are on opposite sides.  So the answer is True.

Approximately 14.25 grams of silver chloride can be prepared by the reaction of 100 ml of 0.20 M silver nitrate with 100 ml of 0.15 M calcium chloride.

The reaction between silver nitrate and calcium chloride results in the formation of silver chloride and calcium nitrate. To calculate the amount of silver chloride produced, we can use the balanced chemical equation for the reaction. The balanced equation is AgNO3 + CaCl2 -> AgCl + Ca(NO3)2. Based on the stoichiometry of the reaction, every mole of silver nitrate reacts with one mole of calcium chloride to form one mole of silver chloride. The number of moles of each reactant can be calculated using the molarity and volume of each solution. The number of moles of each reactant can be compared to determine the limiting reagent. The amount of silver chloride produced can then be calculated by multiplying the number of moles of silver chloride by its molar mass.

n = M × V = 0.15 M × 0.1 L = 0.015 moles

m = n × MM = 0.015 moles × 143.32 g/mol = 2.15 g

Therefore, 2.15 g of silver chloride can be prepared by the reaction of 100.0 mL of 0.20 M silver nitrate with 100.0 mL of 0.15 M calcium chloride.

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January 19

Explanation:

every first 7 days of a month the moon roughly starts its full moon phase

The reaction between CdSO₄ and K₂S is a precipitation reaction where cadmium sulfide precipitates as a solid, while potassium sulfate remains in the aqueous form.

a) The "(s)" in the chemical equation CdS(s) represents that cadmium sulfide is a solid precipitate. It indicates that the product formed in the reaction is solid.

b) The chemical equation for the dissolution of cadmium sulfate (CdSO₄) in water is:

CdSO₄(s) → Cd²⁺(aq) + SO₄²⁻(aq)

The chemical equation for the dissolution of potassium sulfide (K₂S) in water is:

K₂S(s) → 2K⁺(aq) + S²⁻(aq)

c) The difference between potassium sulfate being aqueous (K₂SO₄(aq)) and cadmium sulfide being a solid (CdS(s)) lies in their solubility in water. Potassium sulfate is soluble in water, meaning it dissolves and dissociates into its respective ions (K⁺ and SO₄²⁻) in the solution. On the other hand, cadmium sulfide is insoluble in water and forms a solid precipitate, indicating that it does not dissolve but instead forms solid particles.

In the lab, the difference can be observed by visual inspection. When the reaction between CdSO₄ and K₂S takes place, a yellow precipitate of cadmium sulfide will form, indicating the presence of the solid. The potassium sulfate, being in an aqueous form, will remain dissolved and not form any visible solid.

d) The name for this type of reaction is a precipitation reaction or double displacement reaction. In this reaction, the ions from two compounds exchange to form an insoluble solid (precipitate) and a soluble compound.

In the given reaction between CdSO₄ and K₂S, cadmium sulfide (CdS) is the insoluble solid (precipitate), and potassium sulfate (K₂SO₄) is the soluble compound formed in solution.

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Answer:

Electrons

Explanation:

The \(PbCl_{2}\) dissolved when water was added in Step 10 because the concentrations of the ions decreased and the reaction shifted to the right to compensate.

When water is added to a system in equilibrium, it causes a change in the concentrations of the ions present.

In this case, the addition of water diluted the concentrations of \(Pb^{+2}\) and \(Cl^{-}\) ions, leading to a decrease in their concentrations.

According to Le Chatelier's Principle, when the concentration of the reactants or products changes, the system shifts in the direction that counteracts the change to re-establish equilibrium.

In this case, the decrease in ion concentrations caused the reaction to shift to the right, towards the products, in order to increase the concentrations of the ions and restore equilibrium.
The addition of water to the \(PbCl_{2}\) system caused the concentrations of \(Pb^{+2}\) and \(Cl^{-}\) ions to decrease, leading to a shift in the reaction towards the right to compensate for the change and re-establish equilibrium.

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Answer:

1.2.6.4.8, in order top to bottom

Explanation:

Answer:

if you want to order them from top to bottom then the order would be 1,2,6,4,8 I think.

Explanation:

Answer:Whole numbers can be converted into decimals by dividing the whole numbers by 10 or higher power of 10.

Explanation:

For example the decimal of 23 is found by doing 23/10 which is 2.3

The evidence that Mendeleev used to decide that the alkali metals should

be in the same group was because they exhibited the same properties.

Alkali metals are found in Group I together with Hydrogen and examples

include potassium, lithium etc  and are the most electropositive sets of

elements.

All require the loss of one electron to attain an octet configuration which

makes them to be very reactive with other elements.

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The wavelength of the photon of the green light is found to be 5.2 x 10⁻⁷ m.

The relationship between the wavelength and the frequency of the light is related as,

C = λν

C is the speed of green light and that is 3 x 10⁸, ν is the frequency of the green light which is given to be 5.76 x 10¹⁴ s⁻¹ and λ is the wavelength of the green light.

Now, putting all the values in their places in the above formula we will get the wavelength of the green light.

3 x 10⁸ = λ(5.76 x 10¹⁴ s⁻¹)

λ = 5.2 x 10⁻⁷ m.

So, the wavelength of the photon of green light is found to be 5.2 x 10⁻⁷ m.

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In the solution water is solute and ethanol is solvent.

Binary solution

A mixture of two liquids that are completely miscible one with another is known as a Binary solution. The boiling point of binary solution depends upon the composition of the solution.

A binary solution consists of a solute and a solvent.

The solute is usually present in smaller quantity and solvent is in larger quantity.

If a solution has 70 ml ( larger quantity ) of ethanol , it means ethanol is the solvent .

water with 30 ml of quantity ( smaller quantity ) will be the solute.

So , in the mixture, water is the solute.

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If you have the following data about a box of remotes, 278 remotes are estimated to be in the box.

The dimensionless quantity mass is used to express the amount of matter contained in a particle or object (symbolised m). The kilogramme is the recommended unit of mass under the International Standard (SI) (kg).

Box weight equals the sum of the box's weight and the remotes' weight.

Mass of Remotes = 18,081 g - 567 g

Mass of Remotes = 17,514 g

Secondly, we may calculate the mass of one remote using the mass of 15 remotes:

Mass of 1 Remote = Mass of 15 Remotes / 15

Mass of 1 Remote = 945 g / 15

Mass of 1 Remote = 63 g

Mass of Remotes / Mass of One Remote = Number of Remotes

Number of Remotes = 17,514 g / 63 g

Number of Remotes ≈ 278

278 remotes are in the box.

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In the krebs cycle, the number of carbons from the one glucose molecule enters one round is the four carbons.

The kreb's cycle is also called tricarboxylic acid or the citric acid cycle. The glucose molecule contains six carbon atoms. During the process of glycolysis, the glucose molecule split into two molecules of the three carbons compound called pyruvate. The pyruvate is then converted into the acetyl CoA and the two carbon compounds. A molecule of carbon dioxide is released during the process.

Thus, the four carbon atoms (the 2 in each of the acetyl CoA ) from the glucose enter into the kreb's cycle.

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The drift speed of electrons in this aluminum wire is 1.12 × 10⁻³ m/s.

The drift speed of electrons in a wire can be calculated using the following formula;

v_d = I/(n × A × q)

where; v_d = drift speed of electrons (m/s)

I = current (A)

n = number of the charge carriers per unit volume (m⁻³)

A = cross-sectional area of the wire (m²)

q = charge of each electron (C)

First, we need to calculate the number of charge carriers per unit volume (n) using the density of aluminum (ρ), its molar mass (M), and Avogadro's number (N_A);

n = (ρ × N_A) / M

Given; Cross-sectional area of the wire (A) = 4.0 mm² = 4.0 × 10⁻⁶ m²

Current (I) = 6.0 A

Density of aluminum (ρ) = 2.7 g/cm³ = 2.7 × 10³ kg/m³ (since 1 g/cm³ = 10³ kg/m³)

Molar mass of aluminum (M) = 27 g/mol

Avogadro's number (N_A) = 6.022 × 10²³ particles/mol

Charge of each electron (q) = 1.6 × 10⁻¹⁹

Let's calculate n first; n = (ρ × N_A) / M

n = (2.7 × 10³ kg/m³ × 6.022 × 10²³ particles/mol) / 27 g/mol

n = 1.186 × 10²⁹ electrons/m³

Now we can put in the given values, along with the calculated value of n, into the drift speed formula to find v_d;

v_d = I / (n × A × q)

v_d = 6.0 A / (1.186 × 10²⁹ electrons/m³ × 4.0 × 10⁻⁶ m² × 1.6 × 10⁻¹⁹ C)

v_d ≈ 1.12 × 10⁻³ m/s

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Answer:

Algae

Explanation:

Have a good day!

Answer:

Algae

Explanation:

Algae is a plant in the sea and it is a producer