Balance the equation below, using the smallest whole-number coefficients. ____Fe(s) + ____ O2(g) + ____ H2O(l) → ____Fe(OH)2(s)

Chemical reactions like Canizzaro reaction involves  a chemical reaction which involves base-induced disproportionation of two molecules of  non-enolizable aldehyde to give a primary alcohol and a carboxylic acid while Stephen reaction involves the preparation of aldehydes from nitriles using tin(II) chloride,hydrochloric acid and quenching the resulting iminium salt with water.

Chemical reactions are defined as reactions which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical reaction.

There are several characteristics of chemical reactions like change in color, change in state , change in odor and change in composition . During chemical reaction there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

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Answer:

The answer is D if it's wrong let me know pls

The term that refers to the passing of a wave through an object is "transmission."

Transmission refers to the process by which a wave passes through an object or medium. In the context of sound, transmission occurs when sound waves travel through different substances, such as air, water, or solids.

When a sound wave encounters an object, it can be transmitted through it, reflected off it, or absorbed by it, depending on the properties of the object and the medium through which the sound is traveling.

For example, when you speak into a microphone, the sound waves produced by your voice travel through the air and are transmitted to the microphone's diaphragm. The diaphragm converts the sound waves into electrical signals, which can then be amplified and reproduced as sound through speakers.

In summary, transmission is the term used to describe the passage of a wave, such as a sound wave, through an object or medium. It is an essential concept in understanding how waves interact with their surroundings and how sound propagates through different materials.

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Answer:TRUE

Explanation:

Answer:

chemical reaction

Explanation:

Answer:

Making soap can be considered a chemical reaction.

Explanation:

In the process of making soap, a reaction takes place between a fat or oil and an alkali, such as lye (sodium hydroxide), which results in the formation of soap molecules and glycerol. This reaction is known as saponification. The change in the composition of the reactants to form a new substance is a chemical change, not a physical change or a phase change.

For monosaccharides to cyclize, an alcohol group must attack a carbonyl group, the  carbon of linear pento-ketose has the reactive carbonyl is the carbon number 1.

The monosaccharide is a single unit sugar. Recall that sugars could have cyclic or open chain structures. It is possible for the compound to exists in either the cyclic or the open chain structure.

Now, for monosaccharides to cyclize, an alcohol group must attack a carbonyl group, the  carbon of linear pento-ketose has the reactive carbonyl is the carbon number 1.

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Answer Protons, neutrons, and electrons are the three main subatomic particles found in an atom. Protons have a positive (+) charge. An easy way to remember this is to remember that both proton and positive start with the letter "P." Neutrons have no electrical charge.

Explanation:

Answer:

Hey sorry if i took too long but I believe it is A

Explanation: sorry if im wrong

hope this helps

Answer:

It is A

UW

Explanation:

1) The theoretical yield of SnS2 will be 4.20 grams

2) The percent yield will be 7.93%

From the equation of the reaction:

\(SnBr_4(aq)+2Na_2S(aq)-- > 4NaBr(aq)+SnS_2(s)\)

The mole ratio of the reactant is 1:2.

Mole of 48.1 mL, 0.478 M SnBr4  = 0.478 x 48.1/100 = 0.023 mols

Mole of 48.8 mL, 0.160 M Na2S = 0.160 x 48.8/1000 = 0.0078 moles

Thus, Na2S is in excess while SnBr4  is limiting.

Mole ratio of SnBr4  and SnS2 = 1:1

Equivalent mole of SnS2 = 0.023 moles

Mass of 0.023 noles SnS2 = 0.023 x 182.81 = 4.20 grams

2) With 0.0333 g of SnS2 recovered, percent yield = 0.333/4.2 x 100 = 7.93%

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Here is the complete question:

Tin(IV) sulfide, SnS2, a yellow pigment, can be produced using the following reaction.

SnBr4(aq)+2Na2S(aq)⟶4NaBr(aq)+SnS2(s)

Suppose a student adds 48.1 mL of a 0.478 M solution of SnBr4 to 48.8 mL of a 0.160 M solution of Na2S.

1) Calculate the theoretical yield of SnS2. ;

2) The student recovers 0.333 g of SnS2. Calculate the percent yield of SnS2 that the student obtained.

The balanced form of the chemical equations given in the image are as follows:

A balanced chemical equation is an equation that obeys the law of conservation of mass i.e. the number of atoms of each element on both sides of the equation are the same.

A chemical equation is balanced with the aid of coefficients, which are numbers placed in front of each compound or element as a multiplying factor.

According to this question, some chemical equations were given in the image attached. The balanced form of these equations are in the main answer part.

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Atomic size decreases in a period but the ionization energy and electronegativity increases across a period.

Atomic radius decreases across a period because of nuclear charge increases whereas atomic radius of atoms generally increases from top to bottom within a group because there is again an increase in the positive nuclear charge.

Ionization energy increases when we move from left to right across an period and decreases from top to bottom.

Electronegativity also increases from left to right across a period and decreases from top to bottom.

So we can conclude that atomic size decreases in a period but the ionization energy and electronegativity increases across a period.

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Answer:

D. It readily reacts.

Explanation:

Fluorine is a member of the halogen group, and has seven valence electrons. This means it is very close to having a stable octet of 8 valence electrons. It has high electronegativity and will easily react with other elements, especially alkali metals, to form compounds.

Answer:

take a deep breath?

Explanation:

lol

The mass of the asteroid is C. 1.2 x \(10^{12}\) Kg

To find the mass of the other asteroid, we can rearrange the equation for the gravitational force between two objects:

F = (G * m1 * m2) / \(r^{2}\)

where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the two asteroids, and r is the distance between them.

Given that the distance between the asteroids is 75000 m, the force of gravity between them is 1.14 N, and one asteroid has a mass of 8 x \(10^{7}\) kg, we can substitute these values into the equation and solve for the mass of the other asteroid (m2):

1.14 N = (6.67430 × \(10^{-11}\) N \(m^{2}\)/\(Kg^{2}\) * 8 x \(10^{7}\) kg * \(m2\)) / \((75000 m)^{2}\)

Simplifying and solving the equation, we find that the mass of the other asteroid (m2) is approximately 1.2 x \(10^{12}\) kg. Therefore, Option C is correct.

The question was incomplete. find the full content below:

Two asteroids are 75000 m apart one has a mass of 8 x \(10^{7}\) kg if the force of gravity between them is 1.14 what is the mass of the asteroid

A. 3.4 x \(10^{11}\) kg

B. 8.3 x \(10^{12}\) kg

C. 1.2 x \(10^{12}\) kg

D. 1.2 x \(10^{10}\) kg

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NaOH is the titrant, so it's in the burette.

To know the volume of NaOH, we need to subtract the final volume of the buret reading by the initial volume:

30.00 - 0.35 = 29.65 mL

Answer: 29.65 mL of NaOH.

To find the volume in L we just divide 29.65 mL by 1000:

0.02965 L

Because 1000 mL = 1L

Answer: 0.02965 L

Given

Atomic symbol

Atomic composition

Solution

Atomic number = number of protons = number of electrons

Mass Number (A) is the sum of protons and neutrons

Number of protons and Number of Neutrons  in nucleus

Number of electrons in the shell

From the picture:

protons = 3

neutrons = 4

electrons = 3

atomic number = protons = electrons = 3

mass number = protons + neutrons = 3+4 = 7

The International Union of Pure and Applied Chemistry (IUPAC) provides a standard system for naming organic compounds.

It is essential to learn this nomenclature system to communicate correctly about the chemical structures of compounds and how they relate to each other. Here is the IUPAC name of the following substance.Below is the structure of the given compound: In the given compound, there are four carbon atoms that are connected with single bonds. Carbon atoms are also attached to hydrogen atoms. Since it has four carbons in the main chain, the root name will be "but-". The functional group present in the molecule is the carboxylic acid group (-COOH), which gives the suffix "-oic acid." Therefore, the IUPAC name of the given substance is Butanoic acid.Thus, the IUPAC name of the given compound is Butanoic acid. It is essential to know the IUPAC naming of organic compounds to communicate correctly about the chemical structures of the compounds.

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Explanation:

Depreciation on fixed assets is recorded in the accounts of:

general fund D. capital projects fund

enterprise fund E. debt service fund

special Revenue fund

Explanation:

Explanation:

Nucleons can be either protons or neutrons contained in an atom, and since Carbon-14, has a mass number of 14, it is evident that it contains 14 nucleons, as the mass number of an element is the sum of the protons and neutrons of an element

At equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

1: Write the balanced chemical equation:

\(C_O\)(g) + \(Cl_2\)(g) ⟶ \(C_OCl_2\)(g)

2: Set up an ICE table to track the changes in moles of the substances involved in the reaction.

Initial:

\(C_O\)(g) = 0.3500 mol

\(Cl_2\)(g) = 0.05500 mol

\(C_OCl_2\)(g) = 0 mol

Change:

\(C_O\)(g) = -x

\(Cl_2\)(g) = -x

\(C_OCl_2\)(g) = +x

Equilibrium:

\(C_O\)(g) = 0.3500 - x mol

\(Cl_2\)(g) = 0.05500 - x mol

\(C_OCl_2\)(g) = x mol

3: Write the expression for the equilibrium constant (Kc) using the concentrations of the species involved:

Kc = [\(C_OCl_2\)(g)] / [\(C_O\)(g)] * [\(Cl_2\)(g)]

4: Substitute the given equilibrium constant (Kc) value into the expression:

1.2 x \(10^3\) = x / (0.3500 - x) * (0.05500 - x)

5: Solve the equation for x. Rearrange the equation to obtain a quadratic equation:

1.2 x \(10^3\) * (0.3500 - x) * (0.05500 - x) = x

6: Simplify and solve the quadratic equation. This can be done by multiplying out the terms, rearranging the equation to standard quadratic form, and then using the quadratic formula.

7: After solving the quadratic equation, you will find two possible values for x. However, since the number of moles cannot be negative, we discard the negative solution.

8: The positive value of x represents the number of moles of \(Cl_2\)(g) at equilibrium. Substitute the value of x into the expression for \(Cl_2\)(g):

\(Cl_2\)(g) = 0.05500 - x

9: Calculate the value of \(Cl_2\)(g) at equilibrium:

\(Cl_2\)(g) = 0.05500 - x

\(Cl_2\)(g) = 0.05500 - (positive value of x)

10: Calculate the final value of \(Cl_2\) (g) at equilibrium to get the answer.

Therefore, at equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

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Answer:

1. Democritus - Matter was made of different kinds of things.

2. Bernoulli- Gases are formed from tiny particles so small you can’t see them. The particles are spread out into a certain area and move when people walk through them.

3. Priestley- Substances combine or break apart to create new, different substances.

Explanation:

1. Democritus was a philosopher who because of his immense contribution to atomic theory was regarded as the "FATHER OF SCIENCE". His idea was that matter was made of different kinds of things called which he called ATOMOS meaning ATOM.

2. Daniel Bernoulli was another outstanding mathematician and scientist who played a major part in the kinetic molecular theory of gases via his "HYDRODYNAMICA". His idea, which states that "gases are formed from tiny particles so small you can’t see them. The particles are spread out into a certain area and move when people walk through them"

was based on fluid dynamics.

3. Joseph Priestley is remarkably known for his 1774 discovery of oxygen. His findings that air is a mixture of gases and not just a substance made of one element paved the way for his idea that " Substances combine or break apart to create new, different substances".

Answer: b

Explanation:

Answer:

near the equator where it's hot

The right answer is that energy is needed for unsaturated hydrocarbons to react.

Hydrocarbons with two or three covalent C-C bonds are referred to be unsaturated hydrocarbons. Alkenes and alkynes, respectively, are the names given to them. These hydrocarbons have the general formula and because they include bonds, they are more reactive than saturated ones. These bonds can be easily broken because they are weaker than bonds. Bonded compounds are better suited for addition reactions.

These hydrocarbons react without the need for energy. They respond quickly to stimuli. x = Enzyme concentration; y = Reaction velocity X= Time; Y = Substrate concentration

At the same temperature and at the same reactant concentrations, catalyzed reactions have a faster reaction rate because their activation energy (the rate-limiting free energy of activation) is lower than that of the analogous uncatalyzed process. The precise physics of catalysis are complicated, though.

Therefore, it is true that unsaturated hydrocarbons need energy to react.

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Answer:

There!!

Explanation:

mark me brainliest!!

Answer:

Helium, Neon, Radon and Argon have zero valency because they have their outer shell completely filled and are chemically inert gas. Was this answer helpful

Explanation:

hope it will help you

Answer:

Helium

Explanation:

As the elements have the maximum number of electrons in their valence shells (thereby achieving stable duplet and octet configurations), they do not have any tendency to combine with other elements.

The element that has chemical properties most similar to sodium is d. rubidium.

What is rubidium?

Rubidium is in the same group (group 1) as sodium in the periodic table and has similar chemical properties, such as reactivity with water and the tendency to form ionic compounds with halogens. Magnesium, oxygen, and phosphorus are not in the same group as sodium and have different chemical properties.

What is periodic table?

The periodic table is a tabular display of all known chemical elements, arranged according to their atomic structure and properties. It is arranged in rows and columns, with elements placed in order of increasing atomic number, which is the number of protons in an atom's nucleus. The periodic table is a powerful tool for predicting the chemical behavior of elements and for understanding the relationships between different elements. It is used extensively in chemistry, physics, and other sciences to help understand the properties and behavior of different elements, and to guide research and development in many different fields.

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The revenues of the note will equal the $225,000 face value, provided the note has an interest rate of 8%.

On Friday, December 9, 2022, the benchmark 30-year fixed mortgage's average rate is 7.32%, which is a 15 basis point increase from the previous week. If you want to restructure your present mortgage.

The nominal value and face value are both used interchangeably. That which a money is worth. Simply said, it is a security's nominal value. A 45-day note having a face value of $225,000 was issued by Nyree Co. to Conrad Bank based on the information provided. Consequently, the amount of the note's revenues will match its face value, which is 225,000.

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The mass of 4.35 moles of potassium chloride is 324.14 grams. Potassium chloride (KCl) is a chemical compound made up of potassium and chlorine.

Potassium chloride (KCl) is a chemical compound composed of potassium and chlorine. It is commonly used as a salt substitute for people on low-sodium diets, as well as a fertilizer, a source of potassium in food additives, and a component of some medical solutions. Potassium chloride can also be used in the production of various chemicals, including explosives and pharmaceuticals.

The molar mass of potassium chloride (KCl) is 74.55 g/mol (39.10 g/mol for K and 35.45 g/mol for Cl).

To calculate the mass of 4.35 moles of KCl, we can use the following formula:

mass = moles × molar mass

So, the mass of 4.35 moles of KCl is:

mass = 4.35 moles × 74.55 g/mol

mass = 324.14 g

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