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Sulfur and chlorine are both on the "right side" of the periodic chart. Therefore they are both nonmetals. Nonmetals will react with each other and form covalent bonds.

Answer:

Chlorine would be the answer

Explanation:

Answer:

21.7 kj

Explanation:

The heat required to change the phase of a matter is calculated by using the latent heat formula, Q=ML, where M is the mass released or absorbed during the phase change and L is the latent heat of a material. Since ice is melted into water, this process is technically called the heat of endorthermic phase change that is Q_in=ml

The latent heat of water is 334 kg/kj. In order to melt 65. 0g of ice Q=0.065 x 334kj/kg =21.71 of heat required

Answer:

A) The bonds of the reactants must be broken

D) The bonds of the products must  be formed

E) Breaking bonds require an input of energy

H) Forming bonds releases energy

These are all the 4 correct statements

Explanation:

Breaking bonds is an ENDOTHERMIC process, meaning that it takes in energy to break the bonds of the reactants.

Forming bonds is an EXOTHERMIC process, meaning that it takes in energy to break the bonds of the reactants.

The time taken for the water fountain to dispense 842.75 mL of water is 20.625 seconds

Time can be defined as the measure of past, present or future events.

To calculate the time taken to dispense 842.75 mL of water, we use the formula below.

Formula:

Where:

Make t the subject of the equation.

From the question,

Given:

Substitute these values into equation 2

Hence, The time taken for the water fountain to dispense 842.75 mL of water, is 20.625 seconds.

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Answer:

40×1=40

60×2=120

40+120=160

Explanation:

Atoms are not really picky. They actually bond with other atoms to form an octect state. Let's take an example of an atom with, say, 2 valence electrons. This atom will have to bond with an atom which has 6 valence electrons to reach its octect state (6 + 2 = 8 =》 octect state is from L shell and above).

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Answer:

10,033,232 joules

10,033.232 kilojoules

2.78837209 kilowatt-hours

Explanation:

2398 * 4184 =

2398 * 4.184 =

2398 / 860 =

Explanation:

A. Cr reduced

B. Fe oxidized

C. Fe reducing agent

D. Cr oxidizing agent

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1) Cr is being reduced.

2) Fe is being oxidized.

3) Fe is the reducing agent.

4) Cr is the oxidizing agent.

Answer:

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Answer:

"At dynamic equilibrium the reactions continue but the amounts of reactants and products do not change." would be the correct description

Explanation:

Dynamic equilibrium occurs when the rates of change and concentration are the same, so the reaction still takes place, but the amounts of reactants and products stay the same without any change.

According to chemical equilibrium, the statement which correctly describes dynamic equilibrium is that at  dynamic equilibrium, the reactions continue but the amounts of reactants and products do not change.

Chemical equilibrium is defined as the condition which arises during the course of a reversible chemical reaction with no net change in amount of reactants and products.A reversible chemical reaction is the one wherein the products as soon as they are formed react together to produce back the reactants.

At equilibrium, the two opposing reactions which take place take place at equal rates and there is no net change in amount of the substances which are involved in the chemical reaction.At equilibrium, the reaction is considered to be complete . Conditions which are required for equilibrium are given by quantitative formulation.

Factors which affect chemical equilibrium are change in concentration , change in pressure and temperature and presence of catalyst.

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The ability of sodium sulfate to act as an antidote to barium chloride poisoning is because displaces barium in barium chloride to form sodium chloride and insoluble harmless barium sulfate.

The ability of sodium sulfate to act as an antidote to barium chloride poisoning is because of the reactivity of sodium.

Sodium is a more reactive metal than barium, so it displaces barium in barium chloride to form sodium chloride and insoluble harmless barium sulfate.

The equation of the reaction is given below:

Therefore, the ability of sodium sulfate to act as an antidote to barium chloride poisoning is because displaces barium in barium chloride to form sodium chloride and insoluble harmless barium sulfate.

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There are different kinds of poisonings.  Sodium sulfate are known to be an effective antidote because they create or produce a kind of precipitate with barium that is said to be not easily absorbed from the gastrointestinal tract.

Soluble sulfates such as  sodium sulfate and others such as potassium infusion are known to be a key antidote.

If given promptly and in the right dosage, soluble sulfates are known to be an effective antidote.

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Answer:

No

Explanation:

No

Sodium bicarbonate is an Ionic compound.

Sodium bicarbonate, also known as baking soda, is considered an ionic compound, not a covalent compound.

Answer and Explanation:

Oceans are like giant swimming pools for marine life. Not really for people though. One difference that most swimming pools tend to have chlorine in them. If not, then they have salt water similar to an ocean. The chemical substance chlorine is not good for marine life at all, and isn't really good for people either.

But instead of chlorine, oceans have types of bacteria that aren't good for people either, especially if ingested in high amounts. So, if you've ever accidentally swallowed sea water and felt a little sick to your stomach, this could be why. They are similar though because they both have water and a form of bacteria.

They are not connected in a way of cycling water with each-other, but they do have similarities and differences as I had mentioned before.

Let me know if you have any more questions about this topic, I hope that this helps.

Answer:

3.75

Explanation:

it's gonna be a decimal number,cus from the formula 5moles produce 4moles of NO

so if 3 moles we're to be produced,it will be 3x5 divide by 4

Answer:

The molar mass of any substance is the mass in grams of one mole of representative particles of that substance. ... In such a conversion, we use the molar mass of a substance as a conversion factor to convert mole units into mass units (or, conversely, mass units into mole units).

Explanation:

Answer:

conversion factor to convert mole units into mass units

Explanation:

thats the answer, ur welcome!!!!

Answer:

18g

Explanation:

D=m/v

D= Density (g/mL) OR (g/cm^3)

m= mass (g)

v= volume (mL)

Use the Desity formula to find the mass by rearranging the formula so that m = D*v

Simply multiply the density by the volume

1.5*12 =18g

because it is the mass you’re looking for.

Answer:

Covalent

Explanation:

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NO2 is already polar, due to the fact that nitrogen shares a maximum of 3 electrons. Thus N makes two covalent bonds with one oxygen, one covalent and one dative with the other. And there's still a free electron left that causes the molecule to bend, forming an angle, and so the NO2 molecule is polar with an angle other than 180.

Explanation:

atomic mass of Li = 7 amu

so we know that there are about (33.1)/7 = 0.47 mol

Multiply this by 6.02 * 10^23 particles per mol, and we get about 2.83 * 10^23 particles

Solution

Given mass of FeBr2 = 85.5 g

Molar mass of FeBr2 = 215.65

No. of Moles of FeBr2 = Given Mass / Molar mass = 85.5 / 215.65

No. of Moles = 0.3964

Given Volume is 450 mL i.e. 0.450 L

Now Concentration = 0.3964/0.450

Hence Concentration = 0.881 mol/L

Based on the chemical reactivity, the decomposition of aspirin in the presence of water produces acetic acid and 2-hydroxybenzoic acid.

A decomposition reaction is a reaction in which a large substance is broken down into smaller substances.

Example of a decomposition reaction is the decomposition of aspirin to produce acetic acid.

Aspirin (C9H8O4) slowly decomposes at room temperature by reacting with water in the atmosphere to produce acetic acid, HC2H3O2, and 2-hydroxybenzoic acid, C7H6O3.

The equation of the reaction is given below:

Therefore, the decomposition of aspirin produces acetic acid and 2-hydroxybenzoic acid.

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This problem is providing an equilirium reaction with the initial concentration of COCl2 and the equilibrium concentration of Cl2 for us to calculate the equilibrium constant. At the end, the result is 0.00166.

In chemistry, not all chemical reactions turn out into completion yet reach a point of constant concentrations (conversion) called equilibrium. In such a way, since this problem is based on this phenomenom, we can start by setting up the equilibrium expression:

[tex]Kc=\frac{[CO][Cl_2]}{[COCl_2]}[/tex]

Where each concentration is at equilibrium. Now, since all these species are in 1:1 mole ratio, we can see that the cocentration that changed up to equilibrium is 3.38×10⁻² M (Cl2's concentration), and thus we can calculate Kc with:

[tex]Kc=\frac{(3.38x10^{-2}M)(3.38x10^{-2}M)}{(0.723M-3.38x10^{-2}M)}\\\\Kc=0.00166[/tex]

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Answer:

In the case of a New Moon, the Moon is between Earth and the Sun, so the side of the Moon facing the Sun isn't facing us. We can't see any portion of the lit-up Moon during this phase. (When the Sun and Moon exactly line up, as viewed from Earth, we get a special experience known as a solar eclipse

Explanation:

good luck hope this helps

Answer:

Velocity can vary when speed is constant