Some people believe that synthetic items are bad or harmful because they are not naturally occurring. Do you agree with this idea? Explain.

True. Overripe fruits like pears produce ethylene gas, a plant hormone that triggers the ripening process in other fruits. If an overripe pear is stored with other good pears, it will release ethylene gas, which will accelerate the ripening process of the other fruits, causing them to become overripe and spoil quickly.

The prevent this from happening, it's best to store overripe fruits separately from other fruits or to consume them as soon as possible. You can also slow down the ripening process of fruits by storing them in a cool and dry place or in the refrigerator.

This effect can be particularly noticeable in closed spaces like paper bags, where the concentration of ethylene gas can build up and cause even faster ripening and spoilage.

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If more \(H_{2}\) and \(N_{2}\) are added to the reaction 3\(H_{2}\) + N2 → 2\(NH_{3}\) after it reaches equilibrium, two events will occur Shift in Equilibrium and Increased Yield of \(NH_{3}\)

1. Shift in Equilibrium: According to Le Chatelier's principle, when additional reactants are added, the equilibrium will shift in the forward direction to consume the added reactants and establish a new equilibrium. In this case, more \(NH_{3}\) will be produced to counteract the increase in \(H_{2}\) and \(N_{2}\).

2. Increased Yield of \(NH_{3}\): The shift in equilibrium towards the forward reaction will result in an increased yield of \(NH_{3}\). As more \(H_{2}\) and \(N_{2}\) are added, the reaction will favor the production of \(NH_{3}\) to maintain equilibrium. This will lead to an increase in the concentration of \(NH_{3}\) compared to the initial equilibrium state.

It is important to note that the equilibrium position will ultimately depend on factors such as the concentrations of \(H_{2}\), \(N_{2}\), and \(NH_{3}\), as well as the temperature and pressure of the system. By adding more reactants, the equilibrium will adjust to achieve a new balance, favoring the formation of more \(NH_{3}\).

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Answer:

groups and periods

Explanation:

Answer:

the reactants are na and cl2 the products is the combination nacl --the law of conservation of matter keeps reactions balanced. No you would not be adding more atoms that is what the first combo is.  The coefficient 2 stands for 2 atoms of KL

Explanation:

Answer:

6

Explanation:

Answer:

[Kr] 4d1 5s2

Hope this helped :)

Answer:

hydrogen and cloride + hydrogen

The evidence that indicated that the map made near Lake Tapps in Washington was a massive lahar from Mt. Rainier and not an old glacier: Whole logs mixed in with the rocks, Clay-sized particles and An abundance of snow and ice

The following evidence indicated that the map made near Lake Tapps in Washington was a massive lahar from Mt. Rainier and not an old glacier:

Whole logs mixed in with the rocks: The presence of whole logs mixed in with the rocks suggests a rapid and powerful flow, characteristic of a lahar, rather than the slow movement associated with glaciers.

Clay-sized particles: The presence of clay-sized particles is often associated with lahars, as they can be easily transported by the flowing volcanic material.

An abundance of snow and ice: The presence of snow and ice is indicative of a recent event, as glaciers tend to accumulate and retain snow and ice over time. In the case of a lahar, the presence of snow and ice suggests a more recent deposition.

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Pyramid of energy has not an advantage: B. Assigning the decomposers and detritivores to a particular trophic level.

Pyramid of energy is a graphical representation of the amount of energy at each trophic level of a food chain (see the picture below).

The bottom level represents the producers, followed by primary, secondary and tertiary consumers.

The decomposers and detritivores do not have a particular trophic level.

Decomposers break down dead plants and animals into simpler inorganic substances.

Detritivores are organisms, for example a fungus or an earthworm, that are decomposing organic matter.

Decomposers have very important role in the circle of life.

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Answer:

b. Assigning the decomposers and detritivores to a particular trophic level.

Explanation:

Answer:

Hydrogen

Explanation:

It is considered a special element due to its flexibility in giving up & taking in electrons, therefore making it good for organic & inorganic chemistry. Hydrogen has only one proton and one electron and is the only element which has no neutrons. it is considered as the simplest element in the universe and gives a valid reason for it to be the most abundant and common element in the universe.

Hoped this helped! If this doesn't fit your 80 word count, you could shorten it.

Answer:

Answer is D.Blue.

Explanation:

The hottest stars tend to appear blue or blue-white, whereas the coolest stars are red.

I hope it's helpful!

Answer:

D.Blue

Explanation:

Answer:

2. Mg donates two protons to O.

Explanation:

I just took the test.

We would need an additional 636.75 grams of NH4CI to make solution saturated at 80°C.

Maximum amount of a solute that can dissolve in any given amount of solvent at a particular temperature is called as solubility.

According to solubility curve for NH4CI, solubility of NH4CI in water increases with temperature. At 50°C, solubility of NH4CI is approximately 40 g/100 mL, which means that 51 grams of NH4CI would dissolve in 127.5 mL of water (51 g/40 g/100 mL x 1000 mL = 127.5 mL).

To make solution saturated at 80°C, we need to find new solubility of NH4CI at 80°C. According to the solubility curve, solubility of NH4CI in water at 80°C is approximately 90 g/100 ml.

mass of solute = (solubility at 80°C - solubility at 50°C) x volume of solvent

mass of solute = (90 g/100 mL - 40 g/100 mL) x 127.5 mL = 636.75 g

Therefore, we would need an additional 636.75 grams of NH4CI to make the solution saturated at 80°C.

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The main reservoirs of the carbon cycle are the atmosphere, oceans, land (including vegetation and soils), and fossil fuels. In these reservoirs, carbon exists in both inorganic and organic forms.

The inorganic carbon cycle involves the exchange of carbon dioxide (CO2) between the atmosphere and oceans through processes like photosynthesis and respiration.

Organic carbon, on the other hand, is found in living organisms, dead organic matter, and soil organic matter. It is cycled through processes such as decomposition and consumption by organisms. The interactions between the inorganic and organic carbon cycles occur primarily in the biosphere, where photosynthesis converts inorganic carbon into organic carbon compounds. While inorganic carbon is primarily in the form of CO2, organic carbon is present in complex organic molecules. Both forms of carbon play crucial roles in energy transfer, nutrient cycling, and climate regulation.

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Answer:

B and I think A but you may want a secon opinion on that

Explanation:

I know that electrons are shared with covalent bonds so I assume the 2 answers are the ones with electrons it them

To compound the given prescription, 1.08 g of boric acid should be used.

This problem involves calculating the quantity of boric acid needed to compound a prescription for eye drops. The prescription specifies the following ingredients and quantities:

Phenacaine Hydrochloride 1% (E value = 0.2)

Chlorobutanol ½ % (E value = 0.24)

Boric Acid q.s. (E value = 0.52)

Purified Water ad 60

Make isoton. sol.

Sig. One drop in each eye

The notation "q.s." means "quantity sufficient," which indicates that the amount of boric acid needed should be calculated based on its E value, which is 0.52.

The E value represents the amount of an ingredient needed to produce a given effect or function. In this case, boric acid is used as a buffering agent to adjust the pH of the solution.

To calculate the amount of boric acid needed, we can use the following equation:

E value = (mass of ingredient) / (total mass of solution)

Rearranging this equation, we can solve for the mass of boric acid:

mass of boric acid = E value x total mass of solution

Substituting the given values into this equation, we get:

mass of boric acid = 0.52 x 60 g

mass of boric acid = 31.2 g

However, we only need to use enough boric acid to achieve the desired buffering effect. The excess boric acid would be unnecessary and could cause harm to the eyes.

The safe and recommended concentration of boric acid in ophthalmic preparations is 1.8% or less.

To achieve a safe and effective concentration of boric acid in the solution, we can calculate the mass of boric acid needed using the desired concentration and total volume of the solution:

mass of boric acid = 1.8% x 60 g / 100

mass of boric acid = 1.08 g

Therefore, to make an isotonic solution with the desired ingredients and quantities, 1.08 g of boric acid should be used.

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Explanation:

Lithium

Sodium

group one elements are highly reactive

Answer:

Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions.

Explanation:

The size of micropipette that you would select to deliver 215 microliters would be a micropipette with a volume range of 200-1000 microliters.

What is a micropipette?

A micropipette is a laboratory instrument used to measure and dispense small volumes of liquid, typically in the range of microliters (µL) or nanoliters (nL). They are commonly used in chemistry, biology, and biochemistry experiments, as well as in clinical and industrial settings.

Micropipettes consist of a handle, a digital or manual volume adjustment mechanism, and a tip that is placed into the liquid to be dispensed. They work by creating a vacuum or positive pressure inside the tip, which draws or pushes the liquid out of the tip.

Micropipettes come in different volume ranges and it is important to select the right one to ensure accurate delivery of the desired volume. For example, a micropipette with a volume range of 2-10 microliters would not be suitable for delivering 215 microliters, while a micropipette with a volume range of 200-1000 microliters would be more appropriate.

It's also important to note that, even if the micropipette is able to deliver 215 microliters, you should always check the calibration of the micropipette before use, to make sure that it's delivering the correct volume.

Hence, a micropipette with a volume range of 200-1000 microliters is suitable to deliver 215 microliters.

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Decreasing the pressure in an exothermic reaction generally does not cause more products to form.

The effect of pressure on the equilibrium and product formation in a chemical reaction depends on whether the reaction involves gases as reactants or products. In general, changes in pressure primarily affect reactions involving gases, particularly those with a change in the number of moles of gas during the reaction.

For exothermic reactions, decreasing the pressure will not favor the formation of more products. According to Le Chatelier's principle, when the pressure is decreased, the system will shift in the direction that reduces the number of gas molecules. In an exothermic reaction, the forward reaction is often accompanied by a decrease in the number of moles of gas. Therefore, decreasing the pressure will cause the equilibrium to shift towards the side with fewer moles of gas, which typically means the reactants.

However, it's important to note that the effect of pressure on a specific exothermic reaction may depend on other factors such as temperature, concentration, and the nature of the reactants and products. Different reactions may respond differently to changes in pressure, and a comprehensive analysis is necessary to determine the exact effect on product formation.

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Answer:

184.3g

Explanation:

Given parameters:

Volume of acid  = 42.5L

Unknown:

Mass of acid  = ?

Solution:

We have to assume that this measurement was taken at rtp;

  At rtp;

       1 mole of a substance occupies a volume of 22.4L

Therefore,

       42.5L of H₂SO₄ will have \(\frac{42.5}{22.4}\)  moles  = 1.9moles

To find the mass;

  Mass  = number of moles x molar mass

     Molar mass of H₂SO₄   = 2(1) + 32 + 4(16)  = 97g/mol

 Mass  = 1.9 x 97  = 184.3g

Answer:

There are 0.0305 calories in 0.128 joules

Explanation:

Given that,

Heat absorbed, Q = 0.128 J

We need to find the heat energy absorbed in calories.

We know that the relation between joules and calories is as follows :

1 calorie = 4.184 J

1 J = (1/4.184) J

So,

\(0.128\ J=\dfrac{0.128 }{4.184}\\\\=0.0305\ cal\)

So, there are 0.0305 calories in 0.128 joules

The question requires us to explain the differences in radii of neutral atoms, cations and anions.

To answer this question, we need to keep in mind that a neutral atom presents the same number of protons (positive particles) and electrons (negative particles). Another important information is that the protons are located in the nucleus of the atom, while the electrons are around the nucleus. Also, there is an electrostatic force between protons and electrons, which means that they the protons tend to attract the electrons to the nucleus.

While a neutral atom presents the same number of protons and electrons, a cation is an ion with positive charge, which means it has lost one or more electrons. In a cation, the balance between protons and electrons doesn't exist anymore: now, there is more positive than negative charge (more protons than electrons), and the overall attractive force that the protons have for the electrons is increased. As a result, the electrons stay closer to the nucleus and the radius of a cation is smaller than the neutral atom from which it was derived.

On the other side, anions present negative charge, which means they have received electrons. Similarly to cations, the balance between protons and electrons doesn't exist anymore, but in this case, there are more electrons than protons. In an anion, the overall attractive force that the protons have for the electrons is decreased. As a result, the electrons are "more free" to move and, as they are not so attracted to the nucleus, they tend to stay farther from the positive nucleus compared to the neutral atom - because of this, the radius of an anion is larger than the neutral atom from which it was derived.

Answer:

Extrusive and intrusive are the two major types of igneous rocks. On the Earth's surface, extrusive rocks are created from lava, which is magma that has erupted from the underground. Intrusive rocks are formed from magma within the planet's crust that cools and solidifies.

Explanation:

Yeet