What is the molarity of 15 moles of a 5 L solution?

Answer:

Hofamann Bromamide reaction

Explanation:

Option C

Answer:

c) Hofmann Bromamide reaction

Explanation:

The reaction in which Acetamide is converted to Methylamine is known as Hofmann Bromamide reaction. Thus, option (c) is the correct answer.

The new volume of the gas bubble as its temperature is heated to the given value and pressure increased is 4.14L.

Combined gas law put together both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that "the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.

It is expressed as;

P₁V₁/T₁ = P₂V₂/T₂

Given the data in the question;

at STP

To calculate the new volume the gas, we subtsitute our given values into the expression above.

P₁V₁/T₁ = P₂V₂/T₂

P₁V₁T₂ = P₂V₂T₁

V₂ = P₁V₁T₂ / P₂T₁

V₂ = ( 1.0atm × 2.3L × 984K ) / ( 2.0atm × 273.15K )

V₂ = 2263.2LatmK / 546.3atmK

V₂ = 4.14L

Therefore, the new volume of the gas bubble as its temperature is heated to the given value and pressure increased is 4.14L.

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The metals will produces hydrogen gas when added to solution containing a strong acid are aluminum, magnesium and zinc, etc.

Those reactions in which displacement of only one element will done by another element for the formation of product takes place will known as single displacement reaction.

Metals have the propeties to react with acids and will produce hydrogen gas, so those metals which are more reactive than hydrogen atoms and are present above the hydrogen atom in the electrochemical series will displace hydrogen from acids and produces hydrogen gas. Some of them are aluminum, magnesium, zinc, etc.

Hence metals are aluminum, magnesium and zinc, etc are the metals.

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Answer:

chloride and sodium.

Explanation:

These two make up over 90% of all dissolved ions in seawater.

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Answer:

sodium chloride

Explanation:

Answer:

hcl is a covalent compound

Explanation:

Answer:

artificial passive immunity

In 50 grams of water at 90°C, it is expected 35 grams will dissolve considering the solublity is 70g/ 100 grams of water.

Solubility increases when temperature increases, which means more grams of a substance can be disolved if temperature is higher.

The best is through a solubility curve chart as the one below.

As observe in the graph the solubility at 90°C using 100 grams of water is 70g/ 100 grams of water; this implies in 50 grams the solubility is 30 grams.

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The displacement reactions produces insoluble precipitates of barium sulfate and cobalt carbonate retrospectively.

Displacement reactions are reactions in which an atom of an element or radical removes and replaces another arim or radical in a substance.

The displacement reaction between zinc sulfate and barium chloride is given below:

[tex]ZnSO_4(aq) + BaCl_2(aq) \rightarrow ZnCl_2(aq) + BaSO_4(s) \\ [/tex]

The balanced equation for the displacement reaction between aqueous solutions of lithium carbonate and cobalt(Il) acetate is given below as follows:

[tex]Li_2CO_3(aq) + Co(C_2H_3O_2)_2(aq) \rightarrow 2C_2H_3LiO_2(aq) + CoCO_3(s) \\ [/tex]

Therefore, the displacement reactions produces insoluble precipitates of barium sulfate and cobalt carbonate retrospectively.

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Answer:

True.

Explanation:

Water can act as a base or an acid. This means it is amphiprotic.

Answer: 1.08 moles

Explanation:

For every 6 moles of sodium hydroxide consumed, 2 moles of sodium arsenite are produced.

This means that if 3.25 moles of sodium hydroxide are produced, we can set up the proportion:

3.25/6 = x/2, where x is the number of moles of sodium arsenite produced.

It follows that x = 1.08 moles.

Answer:

Chloroplasts

Explanation:

Chloroplasts purpose are to take the energy from the Sun's light and turn it into food for the plant.

Answer: hi! I think it would be A: Carbohydrates, fats, and proteins, but I’m not 100% sure!! If not I’m so sorry!

Explanation: btw I have a question (if you would have time to pls helps me tyy!!)

Answer:

If you want the first option you need 2.5M.

If you want the second, you will end up with 120ml so your starting solution is:

0.5x (120/20) = 3.0M

This assumes that there’s no loss of volume on mixing. To remove that uncertainty, start with the 20ml of acid and add water, mixing, till you get the right volume.

A complex is a compound that is composed of a central metal atom/ion and then ligands.   MnO4- is a d^0 specie hence it has no d electron.

A complex is a compound that is composed of a central metal atom/ion and then ligands. These ligands may lead to the color of the complex. However, the color of complexes more commonly result from the d-orbital transition in the metal atom/ion.

Now we know that the neutral electron configuration of Mn is [Ar]. 3d5. 4s2. It then follows that MnO4- is a d^0 specie hence it has no d electron.

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Answer:

See below

Explanation:

Part a)

Ba⁺²

Since it has a positive charge, this means it has lost electrons and that too 2 electrons. It has lost 2 electrons.

Part b)

As⁻³

Since it has a negative charge, it has gained electrons and that too 3 electrons. It has gained 3 electrons.

Part c)

Cu⁺²

It has a positive charge, so it has lost electrons and that too 2 electrons. It has lost 2 electrons.

[tex]\rule[225]{225}{2}[/tex]

Based on the information on the student looking for an element that will bond with sodium, the element that will likely bond with sodium is bromine.

Elements bond with one another in a chemical manner to form compounds, which cannot be broken down into their constituent elements without being destroyed.

According to this question, a student is looking for an element that will bond with sodium (Na) with the knowledge that table salt is a compound of sodium and chlorine (Cl).

This suggests that an element that will likely bond with sodium must be in the same group with chlorine because they will possess the same chemical properties.

Therefore, based on this information, the element that will likely bond with sodium is bromine.

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Answer:

Explanation:

one is True,   an electro magnet is only magnetic because of current producing the magnetic field.  

Answer:

it D. the answer is propane. hope this helps you

One important drawback of the use of hcfcs as a replacement for cfcs is that hcfcs are more potent greenhouse gases.

HCFCs is an acronym for hydrochlorofluorocarbons (HCFCs).

Thye are fully or partly halogenated hydrocarbons that contain carbon (C), hydrogen (H), chlorine (Cl), derived from alkane family.

CFCs is an acronym for Chlorofluorocarbons (CFCs), derived from alkane family like  hydrochlorofluorocarbons.

One important drawback of the use of hcfcs as a replacement for cfcs is that hcfcs are more potent greenhouse gases.

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Answer:

Eggs

Explanation:

Apple = fruit

Oils = fat

Potatoes = Carbs

And eggs are the only proteins

Hello, Miko here to help!

Answer: Often times it is possible due to previous data. Trends appear and you can make deductions from such trends. Reactions may not happen at all. There may be deviations from the trends as well. The deviations may be for unknown reasons or there may be unproven theories that are included in textbooks. Inorganic chemistry reactions are not as clear-cut as organic chemistry reactions. You don't have to memorize all the reactions. Know the trends, conduct the experiment, and if your prediction fails, try to think hard about the conditions in which the experiment took place. Sometimes the explanation may lay in the container that you used for the reaction, or it may be stoichiometry.

As in all sciences, you need experiments.

Explanation: I hope this helps have a great day!

Answer:

B. Stimulates the production of the reparative dentin.

Explanation:

Redox is the oxidation-reduction reaction that includes the gain and loss of electrons. The oxidation of the manganese changes from +4 to +2  and gets reduced.

In a redox reaction, the electrons are gained and lost by the chemical species. In oxidation, the electrons are lost by the species to another, while in reduction the electrons are gained by the species.

When the electrons are lost by the species their oxidation number gets increased, whereas when the species gains electrons their oxidation state decreases.

The oxidation number of manganese oxide and manganese(II) chloride is calculated as:

[tex]\begin{aligned}\rm Mn^{x}O_{2}^{2-}: \rm x -4 &= 0\\\\&= +4\end{aligned}[/tex]

and,

[tex]\begin{aligned}\rm Mn^{x}Cl^{2-}: x -2 &= 0\\\\&= +2\end{aligned}[/tex]

Therefore, the manganese is option A. reduced, and the oxidation number changes from +4 to +2.

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#1

#2

So it is not expected to dissolve in water.

#3

Empirical formula mass

n:-

Molecular formula

Answer:

the atoms in cyclohexanone are not in the same

Explanation:

but they are in a benzene ring! Cyclohexane has only sigma bonded carbons with bonds that stick out of the plane

Answer:

During the addition polymerization, all monomers are consumed and no byproducts are formed. Common examples of addition polymerization are polyethylene, polyvinyl chloride (PVC), acrylics, polystyrene, polytetrafluoroethylene, and polyoxymethylene (acetal).

What is meant by addition polymer?

In polymer chemistry, an addition polymer is a polymer that forms by simple linking of monomers without the co-generation of other products. Addition polymerization differs from condensation polymerization, which does co-generate a product, usually water.

Explanation:

Answer:

the second one would have lower

Explanation:

because of the amount

pH is the measure of the negative log of the hydrogen ion concentration. The 0.4 M nitric acid will have lower pH.

pH is the concentration of the hydronium or the hydrogen ion in the water that gives the account to the basic and acidic nature of the substance.  

pH is dependent on the concentration of the substance as the increased concentration increases the pH while the lower concentration lowers the pH.

Therefore, 0.4 M will have a lower concentration.

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