What is the relationship (direct or indirect) between wavelength of light and the energy of its photons?

Formation of ammonium acetate and water occurs when aqueous solutions of ammonia and vinegar are mixed, the

Ammonia, which has the chemical formula NH₃, is a weak base, while vinegar, which is a solution of acetic acid (CH₃COOH) in water, is an acid. When the two solutions are mixed, a neutralization reaction occurs, in which the ammonium ion (NH⁴⁺) from ammonia combines with the acetate ion (C₂H₃O²⁻) from vinegar to form ammonium acetate (NH₄C₂H₃O₂) and water (H₂O).

The balanced chemical equation for the reaction is,

NH₃(aq) + CH₃COOH(aq) → NH₄C₂H₃O₂(aq) + H₂O(l)

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Answer: because

Explanation:h

Answer:

Acylation can be used to prevent rearrangement reactions that would normally occur in alkylation.

Aaron Douglas was a prominent figure of the Harlem Renaissance, a cultural movement that emerged in the 1920s and 1930s.

Based on his style, it is likely that Douglas used a limited palette in his painting Let My People Go. He often used a muted color scheme, with earthy tones and blues, greens, and purples.

Douglas typically used high-key colors in his paintings, which means that he used bright, saturated colors that create a sense of energy and vitality. He also used low-key colors to create contrast and depth.

The light source in Douglas' paintings is often not clearly defined, as he tended to flatten the picture plane and eliminate shadows. When shadows are present, they are often stylized and simplified.

In terms of balance, Douglas often used symmetrical and asymmetrical compositions in his paintings. He was also known for using repetition and pattern to create a sense of visual harmony.

In Let My People Go, it is likely that Douglas emphasized the figures and their struggle for freedom. The painting depicts the biblical story of Moses leading the Israelites out of slavery in Egypt, which was a powerful symbol of hope and liberation for African Americans during the Harlem Renaissance.

Finally, the size of objects and figures in Douglas' paintings varied depending on the composition and the message he wanted to convey. He often used large, monumental figures to emphasize their strength and resilience.

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Answer:69.8

Explanation:

Explanation:

By rubbing the balloon on a sweater, you can transfer negative charges onto the surface of the balloon

Answer:

simple, 580000000

Explanation:

basically just scientific notation

Answer:

survival

Explanation:

Organisms actually compete for food , water and slot but all this things lead to survival . so organisms are actually competing for survival

Answer:

14.594% Iron and 85.406% Sulfur

Explanation:

103g (S) + 17.6g (Fe) = 120.6g total mass

103/120.6 × 100 = 85.406% Sulfur

17.6/120.6 × 100 = 14.594% Iron

Answer:

C. Glass

Explanation:

Amorphous solids have a non-crystalline structure and no order. In that case, Diamonds, Graphite, and Iron all have a crystalline structure and order. You are left with C as your answer.

Active metals, such as calcium oxide (CaO), react with water to form an oxide-water reaction.

This reaction produces an alkaline solution, which has a pH higher than 7. As a result, the water will become less acidic, and the oxide will be converted into its hydrated form.

This reaction is an important part of the water treatment process, since it helps to reduce the acidity of water and make it safer for drinking.

Additionally, the alkaline solution produced by the reaction can be used to neutralize acidic materials, making it useful for a variety of industrial and environmental applications.

Active metals such as calcium oxide (CaO) are capable of reacting with water to form oxides.

The reaction between the oxides and water can be used in a variety of different applications, such as to create materials with high strength and durability, or to generate power through the combustion of the oxides.

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Answer:

2.96 x 10^-19 J

Explanation:

I just took the test

Answer:So, the mass of 6.023×1023 6.023 × 10 23 molecules of HCl is 36.46 g.

Explanation:

Answer:

Me too.  What is this for? A Lab. You are missing some kind of key info bud.

Explanation:

The statement defines a field force is b) a force that acts through toucha force that acts through touch.

Field force is a term to express a force that has an influence on its surroundings. Examples are gravitational forces, electric forces, magnetic forces. The three styles have a strong influence on the surrounding area.

In general, the notion of force is an interaction that can cause an object with mass to experience a change in motion, both in terms of direction and geometry. While the definition of force in a nutshell is a push or pull that is able to move objects freely (not bound).

The concept of force is often juxtaposed with motion. Because, the motion of an object occurs because of the force. Although often equated, in fact force and motion are two different things.

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The heat that has been taken in by the water is 40.2 kJ.

We know that when we heat the water the water would be turned from liquid to the vapor state . As such we are interested in the heat that would be evolved when this process would be taking place and we can be ale to write that;

H = mcdT

H = heat that have been evolved or absorbed

m = mass of the water

c = Heat capacity of the water

dT = The temperature change of the water.

As such, we have that;

H = 500 * 4.12 * (39.5 - 20)

H = 40.2 kJ

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Answer:

338.38 K

Explanation:

Applying,

PV = nRT............... Equation 1

Where P = pressure, V = Volume, R = Temperature, n = number of moles, T = temperature.

Make T the subject of the equation,

T = PV/nR............. Equation 2

From the question,

Given: P = 1.95 atm, V = 12.3 L, n = 0.854 moles

Constant: R = 0.083 L.atm/K.mol

Substitute these values into equation 2

T = (1.95×12.3)/(0.854×0.083)

T = 338.38 K

There can be an electrolytic cell from iron and copper electrodes by connecting a a battery.

A voltaic cell is a cell that produces energy via a spontaneous chemical reaction. An electrolytic cell produces energy by a nonspontaneous chemical reaction.

Now, we know that we can reverse the electrodes in the voltaic cell and connect a cell. In such case, we can be able to create an electrolytic cell from  iron and copper electrodes.

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Therefore, an infant weighing 14 lbs (6.4 kg) should be given 0.96 mL of the acetaminophen suspension.

Acetaminophen is the recommended over-the-counter drug for the treatment of fever and mild to moderate pain in infants. The drug is safe and effective when used according to the recommended dosage.

Acetaminophen suspension contains 80 mg/ 0.80 mL suspension.

The recommended dose is 15 mg/kg body weight.

Therefore, to calculate how much of the suspension should be given to an infant weighing 14 lbs (6.4 kg),

we need to perform the following calculations:

Calculate the dosage based on the infant's weight:

15 mg/kg x 6.4 kg = 96 mg

Determine how many milliliters of the suspension contain 96 mg:

80 mg/0.80 mL = 96 mg/x mL (cross-multiplication)80

x = 76.8 (solving for x)

x = 0.96 mL (rounded to two significant figures)

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1. Kc value:

C. remains the same.

2. Qc value:

C. remain the same.

3. The reaction is:

B.  Qc < Kc, the reaction will move in the forward direction.

4. The concentration of N2 is:

A. increase.

Whilst the awareness of all of the reactants increases extra molecules or ions interact to form new compounds and the fee of reaction increases. while the attention of a reactant decreases, there are fewer of that molecules or ions present, and the rate of reaction decreases. If the concentration of reactants is multiplied, there are more reactant particles moving collectively.

Calculation:-

Removing product will shift the reaction in the direction of product as per Le chatelier Principle

So, Equilibrium moves to product side

Since temperature is not changing Kc would not change.

B)Since we are removing product and Qc = [product]/[recatant]

Value of Qc will decrease and hence Qc will be less than Kc

C)Since Qc < Kc, the reaction will move in forward direction.

D)O2 is product here and reaction is moving towards product.

So, concentration of O2 would increase.

There could be more collisions and so the reaction charge is multiplied. The higher the awareness of reactants, the faster the fee of a response will be. awareness can be improved by means of dissolving an extra solute in a given extent of a solution this will increase the mass of the solute. awareness may be accelerated by means of permitting some of the solvents to evaporate this decreases the extent of the solution.

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Answer:

During cytokinesis, which is a physical process of cell division, the cells divide the cytoplasm of a parent cell into two daughter cells. The ring on the outside of the cell which is also known as a contractile ring, shrinks at the equator of the cell which causes pinching, and the plasma membrane goes inward. After all that happens there’s something called a cleavage furrow which is the formation of a dip between the two cells while they are splitting.

(You can sum it up, but I hope this helps!)

Answer:

Low pressure ; stormy

Explanation:

Answer:

The correct answer is:  sustainability over time with varying conditions.

Explanation:

A habitat can be defined as the physical and geographical conditions that will positively influence the development of life, in any form.

Therefore, it is correct to say that sustainability over time with favorable conditions will favor the greatness of the habitat.

Sustainability is the ability to preserve a system for the maintenance of future life, so it is ideal for there to be sustainable development across society, so that natural resources are preserved so that biodiversity continues to exist.

Answer: D. Synthesis

Explanation:

Sodium Oxide + Water = Sodium Hydroxide

Answer:

c

Explanation:

I just learned all this in chemistry too lol

got 100 on the test last week so its good

Experiments with gold foil indicated that atoms contain a positively charged, dense center and the correct option is option C.

Experiments with gold foil, known as the Rutherford gold foil experiment, were conducted by Ernest Rutherford in 1911. In this experiment, he bombarded a thin gold foil with alpha particles.

Most of the alpha particles passed through the foil with little deflection, but some of them were deflected at large angles, and a small fraction even bounced back. This observation led Rutherford to conclude that the atom contains a positively charged, dense center called the nucleus, where most of its mass is concentrated. He proposed the nuclear model of the atom, which became a significant advancement in the understanding of atomic structure.

Thus, the ideal selection is option C.

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Answer:

20 drops

Explanation:

Answer:

as molecular mass increases, more molecules have speeds close to their average speed.

Explanation:

A plot of the Maxwell distribution of velocities for several different gases measured at the same temperature shows that "as molecular mass increases, more molecules have speeds close to their average speed."

This is evident in the fact that the Maxwell distribution of speeds for a given selection of gas at a given temperature shows certain traits if one of the main variables is changed, such as

1. Mass: The proportion of speeds for a given selection of gas is narrower and the average speed is lower for gas of higher molecular weight.

2. Temperature: The proportion of speeds for a given selection of gas is wider and the average speed is higher as the temperature of a gas increases.