What would the answer be?

The balanced equation is:

4 NO(g) + O₂(g) ⇒ 2 N₂O₃(g)

The expression of the rate in terms of change in concentrations are:

\(v = \frac{-\Delta [NO]}{4\Delta t } = \frac{-\Delta [O_2]}{1\Delta t } = \frac{\Delta [N_2O_3]}{2\Delta t }\)

When N₂O₃ is forming at 0.221 M/s, NO is disappearing at 0.442 M/s.

The reaction rate is the speed at which a chemical reaction takes place, defined as proportional to the increase in the concentration of a product per unit time and to the decrease in the concentration of a reactant per unit time.

4 NO(g) + O₂(g) ⇒ 2 N₂O₃(g)

We will need to consider the stoichiometric coefficient of each species.

\(v = \frac{-\Delta [NO]}{4\Delta t } = \frac{-\Delta [O_2]}{1\Delta t } = \frac{\Delta [N_2O_3]}{2\Delta t }\)

The molar ratio of NO to N₂O₃ is 4:2.

\(\frac{0.221molN_2O3}{L.s} \times \frac{4molNO}{2molN_2O_3} = \frac{0.442 molNO}{L.s}\)

The balanced equation is:

4 NO(g) + O₂(g) ⇒ 2 N₂O₃(g)

The expression of the rate in terms of change in concentrations are:

\(v = \frac{-\Delta [NO]}{4\Delta t } = \frac{-\Delta [O_2]}{1\Delta t } = \frac{\Delta [N_2O_3]}{2\Delta t }\)

When N₂O₃ is forming at 0.221 M/s, NO is disappearing at 0.442 M/s.

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Answer:

attached below

Explanation:

Structure of two acyclic compounds with 3 or more carbons that exhibits one singlet in 1H-NMR spectrum

a) Acetone CH₃COCH₃

Attached below is the structure

b) But-2-yne (CH₃C)₂

Attached below is the structure

Energy is released by the formation of chemical bonds, and energy is

absorbed when the bonds are broken.

A chemical reaction involves the formation of new compounds from

reactants . It involves the formation and breaking of bonds in the

elements.

Energy is released by the formation of chemical bonds and this type of

reaction is referred to as exothermic while energy is absorbed when the

bonds are broken and is referred to as an endothermic reaction.

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The dissociation of cadmium chloride is as follows: CdCl₂(s) → Cd⁺²(aq) + 2Cl⁻(aq)

Dissociation is the process by which a compound body breaks up into simpler constituents; said particularly of the action of heat on gaseous or volatile substances.

It is a chemical reaction in which a compound breaks apart into two or more components. The general formula for a dissociation reaction follows the form:

AB → A + B

According to this question, cadmium chloride undergoes dissociation into cadmium and chlorine ions as follows:

CdCl₂(s) → Cd⁺²(aq) + 2Cl⁻(aq)

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Answer:

Explanation:

Answer:

Phosphorus

Explanation:

In given diagram there are 15 electrons are present. Which means it is orbital diagram of phosphorus.

The atomic number of phosphorus = 15

Number of electrons = 15

Electronic configuration of phosphorus:

P₁₅ = 1s² 2s² 2p⁶ 3s² 3p³

All other options are incorrect because:

Calcium have 20 electrons.

Electronic configuration of Ca:

Ca₂₀ = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

Hydrogen have one electron.

Electronic configuration of H.

H₁  = 1s¹

Magnesium have 12 electrons:

Electronic configuration of Mg:

Mg₁₂ = 1s² 2s² 2p⁶ 3s²

Answer:

true

Explanation: becuase if you add the same liquid to a small container and then add it to a big container its going to have the same liquid amount it started with

The final temperature of the combined metals is 34.9°C.

Specific heat is the amount of heat energy required to raise the temperature of one unit of mass of a substance by one degree Celsius (or one Kelvin). It is a physical property that is unique to each substance and is often denoted by the symbol "c."

To solve this problem, we can use the principle of heat transfer, which states that when two objects with different temperatures come into contact, up until they reach the same temperature, heat will transfer from the hotter to the cooler object.

We can start by using the formula for heat transfer:

Q = m * c * ΔT

where Q is the amount of heat transferred, m is the mass of the object, c is the specific heat capacity of the material, and ΔT is the change in temperature.

Let's assume that the final temperature of the combined metals is T. We can set up two equations based on the heat transferred from the gold and the heat transferred to the iron:

Heat transferred from the gold: Q1 = (11.1 g) * (0.129 J/g°C) * (T - 15.7°C)

Heat transferred to the iron: Q2 = (18.7 g) * (0.449 J/g°C) * (T - 52.6°C)

Since the total amount of heat transferred must be equal, we can set Q1 = Q2:

(11.1 g) * (0.129 J/g°C) * (T - 15.7°C) = (18.7 g) * (0.449 J/g°C) * (T - 52.6°C)

Simplifying and solving for T, we get:

T = [ (11.1 g) * (0.129 J/g°C) * 15.7°C + (18.7 g) * (0.449 J/g°C) * 52.6°C ] / [ (11.1 g) * (0.129 J/g°C) + (18.7 g) * (0.449 J/g°C) ]

T = 34.9°C

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Answer:

Explanation:

C. warm weather

Answer:

stormy weather

By removing the need to build additional transmission lines and equipment, energy storage may reduce costs for utilities and their customers.

By removing the need to build additional transmission lines and equipment, energy storage may reduce costs for utilities and their customers. Energy storage's inherent ability to offer backup power in the event of grid failure is a feature that both residential consumers and commercial owners find highly desirable.

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Answer:

not sure if it's right because there are no choices but most likely a chemical change

Answer:

P_2 =0.51  atm

Explanation:

Given that:

Volume (V1) = 2.50 L

Temperature (T1) = 298 K

Volume (V2) = 4.50 L

at standard temperature and pressure;

Pressure (P1) = 1 atm

Temperature (T2) = 273 K

Pressure P2 = ??

Using combined gas law:

\(\dfrac{P_1V_1}{T_1} = \dfrac{P_2V_2}{T_2} \\ \\ \dfrac{1 *2.5}{298} = \dfrac{P_2*4.5}{273}\)

\(0.008389261745 \times 273 = 4.5P_2\)

\(P_2 =\dfrac{0.008389261745 \times 273 }{4.5}\)

\(P_2 =0.51 \ atm\)

The Henderson-Hasselbalch equation can be used to calculate the mole ratio of ammonia to ammonium chloride pH is equal to pKb plus \(log(NH3/NH4Cl).\)

Figure 1 depicts the chemical equation for producing ammonia and demonstrates that the mole ratio of ammonia to nitrogen gas is \(2:1\). As seen in the chemical reaction, one mole of nitrogen gas results in the production of two moles of ammonia.

By dividing the total number of moles by the smallest number of moles, you may determine the ratio or the number of moles of each element.

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Answer:

a melting of lead Is the answer

Answer:

we use atom in our sentences all the time

Explanation:

that what i put

Answer:

Explanation:

Determine the treatments you’ll be using on your eggs, and prepare the substances you’ll need. You can make salt-water solutions by dissolving different amounts of table salt in containers of water (e.g. 100g, 200g, 300g of salt (NaCl) per liter). You can make solutions of food coloring by adding a few drops of each color into containers of  

The Eggsperiment with Vinegar solution. The first experiment conducted was the egg placed in vinegar solution which allowed the egg to become soft and bouncy . Vinegar is a weak acid which is 5% acetic acid in water (meaning vinegar is largely just water). The egg has a shell that is made up of calcium carbonate   an air cell forms at the large end of the egg. While the embryo is growing, the shell membranes surround and contain the white or albumen of the egg. The albumen provides the liquid medium in which the embryo develops, and it also contains a large amount of the protein necessary for proper development. I hope this was hopeful

Answer:

thunderstrom

Explanation:

it will be answer

Answer:

air mass

Explanation:

A huge volume of air with usually constant temperature and humidity is referred to as an air mass. The properties of an air mass are determined by the place from which it originates. The longer an air mass remains above its originating region, the more damage it causes.

Answer:

this should help *not a virus

Explanation:

https://kidshealth.org/en/teens/digestive-system.html

Answer:A mixture

Have a nice day :D

Answer: nice, is this a quistion? xd

Explanation:

Answer:

O-O

Explanation:

mmmmmmmmmmmmmmmmmmmmmmmmmmm

Answer:

The first image = double replacement

Second = single replacement

Third = Decomposition

Fourth = Combination

Explanation:

1. a color from each pair is being swapped and replacing each other so there is a double replacement

2. only the blue and the red are changing places so it is single replacement

3. the pair is being separated (decomposed)

4. the red and green are coming together (combined)

Answer:

C

Explanation:

It’s not created or destroyed.

After the reaction is complete, no nitrogen and no hydrogen molecules remain, and 8.00 x 1014 molecules of NH3 are produced.

In the equation, nitrogen and hydrogen react at a high temperature, in the presence of a catalyst, to produce ammonia, according to the balanced chemical equation:N2(g)+3H2(g)⟶2NH3(g)The coefficients of each molecule suggest that one molecule of nitrogen reacts with three molecules of hydrogen to create two molecules of ammonia.

So, to determine how many molecules of ammonia are produced when four nitrogen and nine hydrogen molecules are present, we must first determine which of the two reactants is the limiting reactant.

To find the limiting reactant, the number of moles of each reactant present in the equation must be determined.

Calculations:
Nitrogen (N2) molecules = 4Hence, the number of moles of N2 = 4/6.02 x 1023 mol-1 = 6.64 x 10-24 mol
Hydrogen (H2) molecules = 9Hence, the number of moles of H2 = 9/6.02 x 1023 mol-1 = 1.50 x 10-23 mol

Now we have to calculate the number of moles of NH3 produced when the number of moles of nitrogen and hydrogen are known, i.e., mole ratio of N2 and H2 is 1:3.

The mole ratio of N2 to NH3 is 1:2; thus, for every 1 mole of N2 consumed, 2 moles of NH3 are produced.
The mole ratio of H2 to NH3 is 3:2; thus, for every 3 moles of H2 consumed, 2 moles of NH3 are produced.
From these mole ratios, it can be observed that the limiting reactant is nitrogen.

Calculation for NH3 production:
Nitrogen (N2) moles = 6.64 x 10-24 moles
The mole ratio of N2 to NH3 is 1:2; therefore, moles of NH3 produced is 2 × 6.64 × 10−24 = 1.33 × 10−23 moles.

Now, to determine how many molecules of NH3 are produced, we need to convert moles to molecules.
1 mole = 6.02 x 1023 molecules
Thus, 1.33 x 10-23 moles of NH3 = 8.00 x 1014 molecules of NH3 produced.

To find the amount of each reactant remaining after the reaction is complete, we must first determine how many moles of nitrogen are consumed, then how many moles of hydrogen are consumed, and then subtract these from the initial number of moles of each reactant.

The moles of nitrogen consumed = 4 moles × 1 mole/1 mole N2 × 2 mole NH3/1 mole N2 = 8 moles NH3
The moles of hydrogen consumed = 9 moles × 2 mole NH3/3 mole H2 × 2 mole NH3/1 mole N2 = 4 moles NH3
Thus, the moles of nitrogen remaining = 6.64 × 10−24 mol – 8 × 2/3 × 6.02 × 10^23 mol-1 = 5.06 × 10−24 mol
The moles of hydrogen remaining = 1.50 × 10−23 mol – 4 × 2/3 × 6.02 × 10^23 mol-1 = 8.77 × 10−24 mol

Finally, the number of molecules of each reactant remaining can be calculated as follows:
Number of N2 molecules remaining = 5.06 × 10−24 mol × 6.02 × 10^23 molecules/mol = 3.05 × 10−1 molecules ≈ 0 molecules
Number of H2 molecules remaining = 8.77 × 10−24 mol × 6.02 × 10^23 molecules/mol = 5.28 × 10−1 molecules ≈ 0 molecules.

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The valency of magnesium is 2 because it has two valence electrons in its outermost shell. Magnesium belongs to the second group of the periodic table, which means it has two electrons in its outermost shell or valence shell. In order to achieve a stable configuration, magnesium tends to lose these two valence electrons to form a positively charged ion with a charge of 2+. This makes magnesium a bivalent or divalent element with a valency of 2.

Answer:

Because the outer shell of magnesium contains 2 atoms

Answer:monosaccharides

Explanation:

The amount of fuel the jet would consume on a 700 km mission is calculated to be fuel burning rate × 20 L

As we have to determine the amount of fuel the jet consumes on a 700 km mission and the speed of the jet is given to 2100 km/h, we first determine the time taken to complete the mission as follows;

T = altitude / speed

T =  (700 km / 2100 km/h)

T = 0.333 hours

As 1 hour = 60 minutes, therefore;

T = 0.333 hours × 60 = 20 minutes

Therefore the fuel consumed can be given by the following expression;

Fuel required for mission = fuel burning rate × 20

The rate of fuel burning is given to be 78.7/L.min

For one minute the fuel needed = 78.7 L

For 20 mins fuel needed = 78.7 × 20 L

Fuel required for mission = 78.7 × 20 L = 1574L

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Depending on the circumstances, dehydrogenation of CH2BrCHBrCH3 can occur in a number of different ways, but one probable reaction is CH2BrCHBrCH3 --> CH2=CHCHBrCH3 + HBr.

Dehydrogenation is the process of removing hydrogen from an organic material to produce a new chemical (e.g., to convert saturated into unsaturated compounds). By dehydrating alcohols, it is used to make aldehydes and ketones.

Alcohol tends to lose a water molecule when reacting with protic acids, giving rise to alkenes. Dehydrogenation or dehydration of alcohols is the term used to describe these processes.

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