Two cities are located at the same latitude but have very different weather conditions. What factor would most likely cause this difference?

Their distances from the equator
Their distances from the poles
Their elevations above sea level
Their locations in different climate zones

The overall charge of the given compound of potassium and Arsenic is zero (0).

An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. When the number of protons exceed the number of electrons, the atom will positively charged and it will be negatively charged if the number of electrons exceed the number of protons.

For the given compound;

Thus, the overall charge of the given compound of potassium and Arsenic is zero (0).

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Atoms are the indivisible particles of matter. Atoms, molecular mass, and moles can be related by the Avogadros number. There are 2.00 × 10²⁵ atoms of neon in the sample.

The mass of the substance is the multiplication product of the moles and the molar mass.

We know, that 1 mole = 6.022 x 10²³ atoms

From the Avogadro's number, mass, and the molar mass the number of atoms is calculated as:

(6.022 x 10²³ atoms ÷ 1 mole Neon) × (1 mole Neon ÷ 20.18g) × ((6.73x10²)g Ne) = 2.00 × 10²⁵ atoms.

Therefore, 2.00 × 10²⁵ atoms of neon are present in the sample.

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The correct structure that corresponds to the name in the image above is structure A. Details about hydrocarbons can be found below.

Alkanes are organic compound that belongs to any acyclic saturated hydrocarbon e.g. methane, ethane, etc.

Alkanes have a single carbon bond and can be attached to by certain compounds. Methyl is a compound with the formula; CH3.

Therefore, the correct structure that corresponds to the name in the image above is structure A.

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Answer:

C

Explanation:

It was right on acellus

The value of the equilibrium constant, Ke given the data from the question is 9.660

Equilibrium constant for a given is defined as the concentration of the products raised to their coefficient to the concentration of the reactants raised to their coefficient

For example:

eB <=> cD

The equilibrium constant for the reaction above is given as

Ke = [D]^c / [B]^e

The following data were obtained from the question:

The equilibrium constant for the reaction reaction can be obtained as follow

Ke = [C]² / [A][B]

Ke = [0.75]² / [0.232][0.251]

Ke = 9.660

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Answer is NH4NO3

YOU HAVE WRITTEN WRONG IN OPTION NO. A

EXPLANATION

Answer:

I think false

Explanation:

bcs oxygen can create good feeling in our body

Answer:

Mars

Explanation:

neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons

Answer:

B

Explanation:

specific heat capacity is the amount of Heat required to raise the temperature of a unit mass of substances by one degree

For an engine whose displacement is listed as 430 in.², the engine piston displacement in liters is mathematically given as

PD= 7.37 L  

Generally, the equation for the dimensional analysis method,\, we convert in to L is mathematically given as

l*(v/l)*l/v

Therefore,  piston displacement

PD=(450 in3) . (1 dm3 / 61.024 in3) . (1 L / 1 dm3)

PD= 7.37 L  

In conclusion, piston displacement

PD= 7.37 L  

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Answer:

A standard solution is any chemical solution which has a precisely known concentration.

Sodium Chloride for example.

Explanation:

Answer:

A standard solution is solution containing precisely known concentration of an element or a substance

Answer:

As you go down a group on the periodic table, you get more electron shells and therefore a larger atomic radius.

A model of a shopping centre is drawn to scale where 1 cm on the model represent 4 m on the ground. Music shop Thabo's Sports Ware Fati's Clothing shop Grocery store PARKING Coffee shop Toilets Restaurant Shoe store Physiotherapy Health and Fitness center 1.1 Which shop is on the right of the physiotherapy? (2) 1.2 Describe the position of the Coffee Shop in relation to the Toilets. (2)

Answer:

E.

Explanation:

Look at change in concentration over time...is it increasing or decreasing? It is increasing right as you can see because it starts at 0 then increases and plataeus. What increases in a reaction, reactant or product? Products increase right cuz your reactants react with each other to make prodcuts.

At start of reaction you have no products (zero) thus this graph starts at 0. At end you have alot of product thus over time the concentration of product increases.

ABC are reactants their concentration should decrease over time

DE are products, they should increase as reaction goes on.

Answer:

≈170.22 [gr].

Explanation:

1) M(Cu₂CO₃)=2*64+12+3*16=188 [gr/mol];

2) the part of copper in Cu₂CO₃ is:

[tex]\frac{64}{188} =\frac{16}{47};[/tex]

3) 16/47% of 500 [gr] is:

[tex]500*\frac{16}{47}=170.22[gr].[/tex]

Answer:

electrostatic force

Explanation:

8.0 mol of lithium bromide

4 M solution of lithium bromide requires 4 moles of the compound per liter

8 ÷ 4 = 2

answer is 2 Liters

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Moles are the divisional of the mass and the molar mass. In 13.95 gms of calcium, there are 0.348 moles.

In chemistry, moles are the measurement units that are used to estimate the small entities of the atoms or the molecules. Moles are calculated as:

Moles = mass ÷ molar mass

We know,

The molar mass of calcium = 40 gm/mol

The mass of calcium = 13.95 gms

Moles of calcium are calculated as:

Moles = 13.95 ÷ 40

= 0.348 moles

Therefore, in 13.95 gms 0.348 moles of calcium is present.

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Considering the definition of compound, chemical formula and Avogadro's Number, there are 4.8184×10²⁴ atoms of O in 2 moles of H₃PO₄.

In a compound there are atoms of different elements joined by forces that we call chemical bonds.

The chemical formula indicates the number and type of different atoms present in the molecule.

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.

In this case, in 1 mole of the compound H₃PO₄ you have:

Then, in 2 moles of H₃PO₄ you have 8 moles of O.

Now, you can apply the following rule of three: if by definition of Avogadro's number 1 mole of oxygen contains 6.023×10²³ atoms, 8 moles of oxygen contains how many oxygen atoms?

[tex]number of atoms=\frac{8 molesx6.023x10^{23}atoms }{1 mole}[/tex]

number of atoms= 4.8184×10²⁴ atoms

Finally, there are 4.8184×10²⁴ atoms of O in 2 moles of H₃PO₄.

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[tex]\huge\underline\mathcal{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}[/tex]

We know that ,

[tex]Molarity \: (M) = \frac{no. \: of \: moles \: of \: solute }{volme \: of \: solution} \\[/tex]

it can be seen that we aren't provided with the no. of moles of solute in the question.

So let's calculate it using the given formula ~

[tex]no. \: of \: moles \: of \: solute = \frac{given \: mass}{molar \: mass} \\ \\ \longrightarrow \: \frac{50}{36.5} \\ \\ \longrightarrow \: 1.37 \: moles \: ( \: approx \: )[/tex]

Also ,

we're given that volume of solution = 500 mL = 0.5 L

Substituting the values in the formula of molarity , we get

[tex]Molarity = \frac{1.37}{0.5} \\ \\ \bold{\implies \: \boxed{Molarity = 2.74M}}[/tex]

hope helpful ~

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

The Correct choice is D. Fe + S = FeS

because, in nature Iron (Fe) and Sulphur (S) are found in mono - Atomic form. so, There will be 1 Fe atom reacting with 1 S atom to form FeS (Iron sulphide)

Explanation:

binding energy, amount of energy required to separate a particle from a system of particles or to disperse all the particles of the system. Binding energy is especially applicable to subatomic particles in atomic nuclei, to electrons bound to nuclei in atoms, and to atoms and ions bound together in crystals.

Yes the main benifit can be recyclation of energy

Answer:

# 20 of Equilibrium

At 1500°C the system:

2NO(g)

N₂(g) + O₂(g) was allowed to come to equilibrium. The equilibrium concentrations were:

NO(g) = 0.0021 M; N₂ = O₂ = 0.239 M.

What is the value of Ke at this temperature?

Select one:

O a.

27.2

O b.

7.7 x 10-5

O c.

3.7 x 10-²

d.

1.3 x 104

O e. 8.8 x 10-3

Explanation:

# 20 of Equilibrium

At 1500°C the system:

2NO(g)

N₂(g) + O₂(g) was allowed to come to equilibrium. The equilibrium concentrations were:

NO(g) = 0.0021 M; N₂ = O₂ = 0.239 M.

What is the value of Ke at this temperature?

Select one:

O a.

27.2

O b.

7.7 x 10-5

O c.

3.7 x 10-²

d.

1.3 x 104

O e. 8.8 x 10-3

Avogadro's law states that in every mole of a substance, there are [tex]6.022 \times 10^{23}[/tex] particles.

This means that in [tex]9.54 \times 10^{23}[/tex] molecules, there are [tex]\frac{9.54 \times 10^{23}}{6.022 \times 10^{23}}=\boxed{1.58 \text{ moles (to 3 sf)}}[/tex]

Sibce its Kb is larger than its Ka, the monohydrogen phosphate ion, HPO4^2- will behave more as a base than as an acid.

An amphoteric ion is an ion that can act both as an acid or a base.

An example of an amphoteric ion is monohydrogen phosphate ion,

[tex]HPO_4^{2-}[/tex]

The Ka of monohydrogen phosphate ion is 4.8 × 10^-13 while the Kb is 1.6 × 10^-7.

The In is greater than the Ka.

Therefore, the monohydrogen phosphate ion, HPO4^2- will behave more as a base than an acid.

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Explanation:

see the picture for the answer