The molar mass of a compound is 148 g/mol and its empirical formula is C4H10O. What is the molecular formula of this compound? Provide your answer below

a) In this reaction, Cu2+ (copper ion) is reduced to Cu (copper metal). So, Cu2+ is the substance that is reduced.

b) H2C=O (formaldehyde) is oxidized to HCOOH (formic acid). So, formaldehyde is the substance that is oxidized.

c) The oxidizing agent is the substance that causes another substance to be oxidized. In this reaction, Cu2+ acts as the oxidizing agent because it accepts electrons from formaldehyde (which gets oxidized).

d) The reducing agent is the substance that causes another substance to be reduced. In this reaction, formaldehyde (H2C=O) acts as the reducing agent because it donates electrons to Cu2+ (which gets reduced).

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Answer:

Got morning the iodate for the

The nutrient that is present in the highest amounts in most foods is carbohydrates. Carbohydrates provide the body with energy and are found in a wide variety of foods, including fruits, vegetables, grains, and dairy products.

Carbohydrates are one of the three macronutrients that are essential to human health, along with protein and fat. They are composed of sugars, starches, and fibers and are broken down into glucose, which the body uses as its primary source of energy.

Carbohydrates are found in a wide range of foods, from simple sugars found in fruits and honey to complex carbohydrates found in grains and vegetables.

Carbohydrates are especially abundant in foods such as bread, pasta, rice, and potatoes, which are staples in many diets around the world. Dairy products, such as milk and yogurt, also contain carbohydrates in the form of lactose.

Fruits and vegetables are also good sources of carbohydrates, as they contain natural sugars and fibers that help to regulate blood sugar levels and support digestive health.

While carbohydrates are an important source of energy, it is important to consume them in moderation and to choose complex carbohydrates over simple sugars whenever possible.

This can help to prevent spikes in blood sugar levels and support overall health and wellbeing.

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The Lewis structure for iodoethane (C2H,1) is as follows.

I - C - C - H

| |

H H

| |

H H

A Lewis structure, also known as a Lewis dot diagram, is a way to represent the bonding and non-bonding electrons in a molecule. It is named after Gilbert N. Lewis, who introduced it in 1916. A Lewis structure shows the chemical symbol of each atom in the molecule and the electrons that are involved in the chemical bonds. It is used to predict the molecular geometry, reactivity, and other chemical properties of a molecule.

In this structure, the central atom is the carbon atom, and the outer atoms are the hydrogen and iodine atoms. The carbon atoms each have four bonds, which are satisfied by the three hydrogen atoms and the iodine atom. The iodine atom has one lone pair, which is not shown in the structure.

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If the nucleophile concentration is unchanged and the alkyl halide concentration is doubled; the rate of reaction remains the same, it is unchanged.

The rate of reaction of tertiary alkyl halides with a nucleophile is independent of the concentration of the nucleopohile but depends only on the initial concentration of the alkyl halide, because tertiary alkyl halides reacts via SN1 mechanism.

For an SN2 reaction, the rate of reaction depends both on the alkyl halide concentration and the nucleophile concentration. If we unchange the concentration of the nucleophile and double the concentration of the alkyl halide, the rate of reaction just remains the same because the reaction is bimolecular.

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it will become a solution.hope this helps!

The amount of water that is produced is 5.2 moles.

We know that in this case, we would have to use the stoichiometry of the reaction so as to obtain the amount of water that would be obtained. Here we know that we must first get the reaction equation as follows;

\(Mg(OH)_{2} + 2HCl ---- > 2H_{2}O + MgCl_{2}\).

Then we would now apply the stoichiometry of the reaction thus;

If 1 mole of magnesium hydroxide produces 2 moles of water

2.6 moles of magnesium hydroxide would produce 2.6 * 2/1

= 5.2 moles

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Answer:

1.48×10²⁴ Cu atoms

Explanation:

For this question you need to use Avogadro's number 6.022×10²³atoms.

2.45 moles of Cu ×\(\frac{6.022x10x^{23} atoms }{1 mole}\)= 1.47539×10²⁴ atoms.

The moles cancel out so you are left with atoms.

Since there are 3 significant figures in the question there should be 3 significant figures in your answer, which is 1.48×10²⁴ Cu atoms.

we know that,

AᵣH = (Sum of enthalpies of products)-(Sum of enthalpies of reactants)

AᵣH = 55kJ - 30 kJ

AᵣH = 25kJ

or

AᵣH =( Activation Energy-Reactant energy) +( Activation Energy-product energy)

AᵣH =(65kJ -30kJ) +(65kJ-55kJ)

AᵣH = 35kJ - 10kJ

AᵣH = 25kJ

Answer:

B. 25 kj

Explanation:

Products-reactants

I took the exam

The type of fingerprint found at the crime scene in this scenario is referred to as plastic.

This is the of fingerprint which is three dimensional and can be easily seen with the human eye.

Plastic fingerprint can be made by pressing the finger on substances such as wax, paint etc.

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Answer:

the answer would be molded I believe.

choices are Latent,patent, inadmissible molded,trace.

Answer:

Yes, the increase in pressure of the refrigerant can be related to the increase in temperature. This is because when a gas is compressed, the molecules are forced closer together, which increases the temperature of the gas. This is known as the ideal gas law, which states that when pressure increases, temperature also increases.

The Great Depression affect the wealthy As the economy deteriorated, many people lost their property.

The Great Depression was caused in part by the great inequality between the rich who accounted for a third of all wealth and the poor who had no savings at all. As the economy deteriorated many lost their fortunes, forcing some members of high society to scale back their extravagant lifestyles.

While many of the rich lost their money the upper classes as a whole retained much of their pre-Depression wealth and for the most part did not suffer from unemployment. Not everyone lost money in the setback. Business giants like William Boeing and Walter Chrysler actually increased their fortunes during the Great Depression.

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Answer:

they're good I guess

Explanation:

different

The compound that would form a precipitate in water is  BaSO4.

option d.

BaSO4 (barium sulfate) would form a precipitate in water because it is classified as an insoluble compound according to most solubility charts. When a compound is considered insoluble, it means that it has a very low solubility in water, resulting in the formation of solid particles or precipitate when dissolved in water.

In the case of BaSO4, it does not readily dissociate into ions in water and remains as solid particles, causing it to precipitate.

On the other hand, a. KCI (potassium chloride), b. NaOH (sodium hydroxide), and c. (NH4)2S (ammonium sulfide) are soluble compounds in water. They dissociate into ions and form homogenous solutions when dissolved in water, without forming a precipitate.

It's worth noting that solubility can vary depending on factors such as temperature and concentration, so it's always important to consult a solubility chart or reference for accurate and up-to-date information on specific compounds.option d.

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If chlorine and sodium (iv liquid) dissolve in brine, the mixture that makes the saline water is an acid and a base solution.

Sodium is an alkali metal, in group 1 of the periodic table, because it has one electron in its outer shell which it easily donates, creating a positively charged atom—the Na+ cation.

Sodium atoms (Na) will bond with other elements such as chlorine (Cl) to form NaCl compounds or what we call table salt. Acid and base solutions are mixtures of chlorine and sodium (liquid IV) which are soluble in water.

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Answer:

200/60 aka 3.33333333333

Explanation:The reason why is because 200km/h means that the skydiver will travel 200 km every hour.  Because there are 60 minutes in an hour, all you have to do is divide 200 by 60 and you'll get 3.33333 repeating kilometers.  

Answer:

I know that

Explanation:

nickel is like to and tc is like nickel they both have something

The true statements regarding the greenhouse effect are:

The greenhouse effect is a natural process that occurs when certain gases in the atmosphere, known as greenhouse gases, trap heat from the sun and prevent it from escaping back into space. This helps to keep the Earth's surface warm enough to support life. However, human activities, such as burning fossil fuels, have increased the concentration of greenhouse gases in the atmosphere, which has led to an enhanced greenhouse effect and global warming.

In the greenhouse effect, not all energy from the sun is absorbed by atmospheric gases. Rather, some of it is reflected back into space by the atmosphere. Additionally, the greenhouse effect does not change sunlight into carbon dioxide; rather, it is the burning of fossil fuels and other human activities that release carbon dioxide into the atmosphere. Options B, C and E are correct.

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Answer:

Selective Breeding

Weeds are bad,

But why is this so?

Just like grass,

They too grow.

Weeds are disliked,

Like the drink that's spiked.

But why is this so?

Who's to say they shouldn't grow?

The weed is unwanted,

Like a murderer hunted.

But what crime did it commit?

Why should it not, be free to sit?

Thickly they may grow,

But grass even more so.

Who's to say they should not grow?

Why should their seed not be sow?

Weeds are bad,

But why is this so?

Just like grass,

They too grow.

If all things living, were for cared,

The land we own, for all shared.

The weed let live,

And life not carefully selected by- siv.

Selective breeding is unfair,

No better than plain warfare...

Explanation:

Answer:

The solid state is the most dense, followed by the liquid state, then the gas state. The solid state is more dense than the liquid state.

Explanation:

Does this answer your question???

Answer:

head

Explanation:

Edge 2022

Answer:

MgCl2 - 6H2O

203.3 mol

MgCl2 + 2Na = 2NaCl + Mg

22.6g

Explanation:

1. Write the formula of hydrate and find molar mass.

2. Write a balanced single replacement (don't include H2O)

3. Do the given/wanted calculation (include H2O in molar mass of given)

Answer:

72 grams

Explanation:

n=m/mr

so

m=n*mr

0.500*144

=72 g

There are 71.725 grams of CuBr is present in 0.500 moles of CuBr. It is required to know the substance's molar mass in order to calculate its weight given its number of moles.

The atomic masses of copper (Cu) and bromine (Br) in the compound may be added to determine the molar mass of CuBr.

The atomic mass of Cu = 63.55 grams/mol, and

The atomic mass of Br =  79.90 grams/mol.

Molar mass of CuBr = (atomic mass of Cu) + (atomic mass of Br)

= 63.55 g/mol + 79.90 g/mol

= 143.45 g/mol

Now, find the weight of 0.500 moles of CuBr:

Weight of CuBr = Number of moles × Molar mass

= 0.500 moles × 143.45 g/mol

= 71.725 grams

Thus, 0.500 moles of CuBr weighs 71.725 grams.

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The change in Gibbs free energy is positive for al reactions.

For the reactions below, we have to determine the sign of Gº at high and low temperatures:

1. NH3(g) + HCl(g) → NH4Cl(s) Hº < 0

The change in Gibbs free energy is negative at all temperatures, i.e., Gº is negative at high and low temperatures. Hence, this reaction is spontaneous at all temperatures.

2. CaCO3(s) → CaO(s) + CO2(g) Hº > 0

The change in Gibbs free energy is positive at all temperatures, i.e., Gº is positive at high and low temperatures. Hence, this reaction is nonspontaneous at all temperatures.

3. CH3OH(l) → CH3OH(g)

The change in Gibbs free energy is negative at high temperatures and positive at low temperatures. Hence, this reaction is spontaneous at high temperatures and nonspontaneous at low temperatures.

4. 2Cl2(g) + 7O2(g) → 2Cl2O7(l) Hº > 0

The change in Gibbs free energy is positive at all temperatures, i.e., Gº is positive at high and low temperatures. Hence, this reaction is nonspontaneous at all temperatures.

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Answer:

sodium chloride is a component is a salt made of a metal Sodium and a non chlorine is a alone only and element and very less stable until bonded with them metal like a n, a, k or H

Answer:

Polymerization

Explanation:

Polymerization is the process by which molecules of small organic compounds combine repeatedly, in a regular manner, to form a complex organic compound. These small organic repeated units are called monomers, while the complex product formed are referred to as polymer.

In this reaction,

nC₂H₄ + -(C₂H₄-)n is the combination of smaller units of C₂H₄(ethene) to form larger units of (C₂H₄)n (polyethene).

Polyethene is formed due to addition polymerization which is the process where ethene break their double bonds to form links, so that the empirical formula of both are the same. This occurs in a chain reaction and the process is known as polymerization.

Explanation:

having no strongly marked or positive characteristics or features.

The  standard enthalpies of formation for the  ΔH∘rxn for the following  is shown below:

. ΔH∘rxn for C2H4(g)+H2(g)→C2H6(g) = -32.4 kJ/mol

ΔH∘rxn for CO(g)+H2O(g)→H2(g)+CO2(g) = 295 kJ/mol

ΔH∘rxn for C6H12O6(s)+6O2(g)→6CO2(g)+6H2O(g) = -2880 kJ/mol

-84.7 kJ/mol - ( -52.3 kJ/mol) - (0 kJ/mol) = -32.4 kJ/mol

The standard enthalpy of formation of a substance is described as the enthalpy change that occurs when 1 mole of the substance is formed from its constituent elements in their standard states.

ΔH∘f (H2) + ΔH∘f (CO2) - ΔH∘f (CO) - ΔH∘f (H2O) =

0 kJ/mol + (-393.5 kJ/mol) - ( -110.5 kJ/mol) - (-241.8 kJ/mol) = -295 kJ/mol

6 ΔH∘f (CO2) + 6 ΔH∘f (H2O) - ΔH∘f (C6H12O6) - 6 ΔH∘f (O2)

= 6 (-393.5 kJ/mol) + 6 (-241.8 kJ/mol) - (-1272 kJ/mol) - 6 (0 kJ/mol) = -2880 kJ/mol

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