Hydrazine is a great chemical propellant because it creates a lot of gaseous products that need to expand and escape from their reaction space. Based on this information, what physical characteristics of a reaction would you look for when trying to find new propellants?

Answer:

Like when they work of need to look something important

Explanation:

like image you are chilling and then your like omg I need to turn in the work and you go to your computer and send it but you used your computer

A rainbow is produced through a proces that includes refraction, reflection, and dispersion of  sunlight.

A rainbow is formed when sulinght is refracted and reflected by rain drops in the atmospher.

The sunlight is split into its component colors, which is why rainbows appear as having an array of colors. This is due to each color being bent by a different amount during refraction.

The colors of a rainbow are always in the same order, with red on the outside and violet on the inside.

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Buffering capacity measures a solution's capability to withstand pH fluctuations by either absorbing as well as desorbing H+ as well as OH- ions.

Aqueous buffer solutions were made up of a weak acid as well as its conjugate base or even a weak base as well as its conjugate acid. The capability of buffer solutions to keep a fairly constant pH value in reaction to the addition of a tiny amount of acid or base is an important attribute.

A buffer would be a solution that avoids pH changes when a minuscule portion of strong acid as well as strong base is added. Technical definition (How does one come up with one?): A buffer was made up of a weak acid and its conjugate base.

Thus, the correct answer will be option (b).

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Answer:

A. The reaction shifts to the right (products) and the concentrations of I and H₂ decrease.

Explanation:

If gas is removed from the system at equilibrium, the system will try to compensate for the loss by shifting the reaction in a direction that produces more gas molecules. This is known as Le Chatelier's principle, which states that a system at equilibrium will respond to a disturbance by shifting in a way that minimizes the effect of the disturbance.

In this case, since gas is being removed from the system, the reaction will shift to the side that produces more gas molecules. Looking at the balanced equation, we can see that 2HI(g) has a greater number of gas molecules compared to H₂(g) and I₂(g). Therefore, the system will shift to the right (products) to produce more HI(g) and reestablish equilibrium.

55.03 moles of KCI are produced when 6743 grams of \(KClO_{3}\) decomposes

To determine the number of moles of KCl produced when 6743 grams of \(KClO_{3}\) decomposes, we need to use the concept of molar mass and the balanced chemical equation.

First, let's calculate the molar mass of \(KClO_{3}\)

The molar mass of potassium (K) is approximately 39.10 g/mol.

The molar mass of chlorine (Cl) is approximately 35.45 g/mol.

The molar mass of oxygen (O) is approximately 16.00 g/mol.

So, the molar mass of \(KClO_{3}\) is:

(39.10 g/mol) + (35.45 g/mol) + (3 * 16.00 g/mol) = 122.55 g/mol.

Now, we need to calculate the number of moles of \(KClO_{3}\):

Number of moles = Mass / Molar mass

Number of moles = 6743 g / 122.55 g/mol = 55.03 mol.

According to the balanced chemical equation:

2\(KClO_{3}\) -> 2 KCl + 3 O2,

we can see that for every 2 moles of \(KClO_{3}\), we obtain 2 moles of KCl.

Therefore, the number of moles of KCl produced will be equal to the number of moles of \(KClO_{3}\) since the ratio is 1:1. Thus, 55.03 moles of KCl will be produced.

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Answer:

gu kha fuschhehdjdvdbeodbr

Answer:

Heat lost by the pancake = Heat gained by butter

Explanation:

Because energy is always conserved, this process involves the loss of energy by one substance which is gained by another.

The pancakes were freshly made, so they are hot; having the required energy to melt the butter placed on them. The butter absorbs heat from the pancakes which is equal to or greater than its melting point. Thus, the butter melts due to the heat absorbed.

Therefore,

Heat lost by the pancakes = Heat gained by butter

Engineering includes the study of science, universe, space, and logic and is therefore denoted as option B.

This is referred to as the branch of science and technology concerned with the design, building, and use of engines, machines, and structures which helps to make work easier and faster.

It is also studied in schools and has various divisions such as mechanical, chemical engineering etc and it involves the study of science, universe, space, and logic which are encountered when dealing with this broad subject and is therefore the reason why option B was chosen as the most correct choice.

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Answer:

A. The seeds on the ground are going to grow into new trees.

Explanation:

Trees are renewable resources.

Answer:

No

Its a chemical change so the characteristics or chemical properties always differs thereby the properties of sodium chloride isn't similar to sodium or chloride

The ideal gas law can be reorganized to arrive at: assuming that the volume and molecular weight of the gas remain constant:

P/T = constant indicates that the gas's pressure must rise with its temperature in order to maintain a constant ratio of pressure to temperature.

Consequently, if we heat the gas while maintaining its volume and molecular weight, its pressure will rise.

In other words, it is a measure of how quickly the particles of a substance are moving. Temperature is a fundamental physics concept that can be measured in Kelvin (K), Fahrenheit (°F), and Celsius (°C) scales, among others.

On the Celsius scale, water boils at 100°C and freezes at 0°C at normal atmospheric pressure. On the Fahrenheit scale, water boils at 212°F and freezes at 32°F at normal atmospheric pressure. On the Kelvin scale, 0 K is the theoretical minimum temperature at which all particles have no kinetic energy.

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An example of heterogeneous equilibrium is:

Heterogeneous equilibrium refers to an equilibrium state in a chemical reaction where the reactants and products exist in different physical states or phases. It occurs when substances in different phases, such as solids, liquids, and gases, are involved in a chemical reaction.

Considering the given equations:

The equation I: FeO(s) + CO(g) ⇌ Fe(s) + CO₂(g) represents a heterogeneous equilibrium.

This is because the reactants and products involve different phases (solid and gas). FeO is a solid (s), CO is a gas (g), Fe is a solid (s), and CO₂ is a gas (g). The reaction involves the conversion of a solid and a gas to another solid and a gas, and the equilibrium is established between these different phases.

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Answer:

The answer is B.

Explanation:

Its a chemical compound

From a single location on the circular chromosome, DNA is copied in both directions.

The correct option is E.

Binary fission is the process of asexual reproduction in which one organism is divided into two separate ones. An organism's genetic material, or deoxyribonucleic acid (DNA), doubles when it splits into two halves (cytokinesis) through binary fission, with each new species inheriting one copy of the latter.

Bacterial binary fission is the method by which bacteria split their cells. Find out how binary fission functions, including how to make a new cell wall and a copy of a bacterial chromosome. Mitosis and binary fission, two types of asexual reproduction, both entail the division of a parent cell into two identical daughter cells.

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Answer:

The waters' temp increased

Explanation:

The temperature of the water in the swimming pool has increased due to the heat from the Sun. As a result, the particles in the water are moving faster and have a higher kinetic energy than in the morning.

The mass of the object of density 5g/cm³ and volume 10 cm³ is 50kg.

Defining density How tightly a material is packed together is determined by its density. Its definition is "mass per unit volume". D or, the symbol for density

Density Formula: = m/V,

where is the density, m is the object's mass, and V is its volume.

The units used change depending on the calculation's use of mass and volume units. Density would be expressed in kg/cm³ if the mass is expressed in kg and the volume in cm³.

Density = mass / volume

Mass = density ×  volume

Mass =  5×10

Mass = 50 kg.

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The general gas equation, commonly referred to as the ideal gas law, represents the state of a fictitious ideal gas through an equation. Here the mass of helium gas required to pressurize 86 L tank to 201 atm is 2561.8 g.

According to the ideal gas law, the sum of the absolute temperature of the gas and the universal gas constant is equal to the product of the pressure and volume of one gram of an ideal gas.

The ideal gas equation is given as:

PV = nRT

n = PV / RT

56°C = 329 K

n = 201 × 86 / 0.08206 × 329 = 640.45 mol

Molar mass of 'He' = 4.00 g / mol

Mass =  640.45 × 4.00 = 2561.8 g

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The change in temperature (ΔT) when a 25 g block of aluminum absorbs 10,000 J of heat is approximately 44.32°C.

To calculate the change in temperature (T) that occurs when an aluminium block absorbs a certain quantity of heat, we must utilise the specific heat capacity of aluminium (c) and the equation:

Q = mcΔT

Where Q is the heat absorbed or released, m is the substance's mass, c is the substance's specific heat capacity, and T is the temperature change.

The specific heat capacity of aluminium is approximately 0.897 J/g°C.

Given that the aluminium block weighs 25 g and absorbs 10,000 J of heat, we can plug the following values into the equation:

(25 g) * (0.897 J/g°C) * T = 10,000 J

We can now solve for T:

T = 10,000 joules / [(25 g) * (0.897 J/g°C)]

ΔT ≈ 44.32°C

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Answer:

3 mol H2/2 mol N2

Explanation:

Mole ratios are basically from the numbers/coefficients in front of the element

Answer:

It is a mixture of denatured alcohol, water, and agents added to make the alcohol unpalatable to drink.

The volume of 0.180 M KOH that would be needed to completely react with 15.1 mL of 0.190 M \(H_2SO_4\) will be  31.88 mL

The equation of the reaction involving KOH and \(H_2SO_4\) is as follows:

\(2KOH + H_2SO_4 --- > K_2SO_4 + 2H_2O\)

The equation is already balanced and the mole ratio of KOH and  \(H_2SO_4\) is 2:1.

But 15.1 mL of 0.190 M  \(H_2SO_4\)  is available.

Recall that:

mole = molarity x volume

Mole of 15.1 mL of 0.190 M  \(H_2SO_4\) = 0.190 x 15.1/1000

                                                          = 0.002869 mol

From the 2:1 mole ratio, the equivalent mol of KOH would then be:

0.002869 x 2 = 0.005738 mol

Since, mole = molarity x volume. Then, volume = mole/molarity

So, the volume of 0.005738 mol of 0.180 M KOH would be:

volume = 0.005738/0.180

             = 0.03188 liters

Converting 0.03188 liters to mL:

   0.03188 x 1000 = 31.88 mL

Thus, the volume of 0.180 M KOH needed to react completely with 15.1 mL of 0.190 M H2SO4 would be 31.88 mL.

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Answer:

Umm … can you make it horizontal Please

Explanation:

a. The rate law for this reaction is: Rate = k[Cl] [H₂]. This means that the rate of the reaction is directly proportional to the concentrations of both Cl and H₂ molecules.

Rate law is an equation that describes the rate of a chemical reaction as a function of the concentrations of reactants. The rate law allows us to describe how the rate of a reaction changes when the concentrations of reactants are changed. It is derived from the rate equation, which is a mathematical expression that can be used to calculate the rate of a reaction from the concentrations of the reactants and the rate constant.

b. The rate law for this reaction is: Rate = k[O] [Os]. This means that the rate of the reaction is directly proportional to the concentrations of both O and Os molecules.
c. The rate law for this reaction is: Rate = k[NO₂]₂. This means that the rate of the reaction is directly proportional to the square of the concentration of NO₂ molecules.

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Complete Question:

Answer:

ok

Explanation:

1d

2c

3b

4a

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\ \)

From the question

mass = 3 g

volume = 5 cm³

We have

\(density = \frac{3}{5} \\ \)

We have the final answer as

Hope this helps you

Answer: FeO

Explanation:

Answer:

This is not worth 50 points liar

Explanation: