If 8.0 g of sulfur dioxide came in contact with a cloud containing 2.2 g of oxygen, indicate the
Limiting Reactant and calculate the theoretical yield (in grams) of sulfur trioxide produced.

Answer:

See attached picture.

Explanation:

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In this case, according to the given information, it is possible to complete the table by knowing that the atomic number is the same to the number of protons equals those of electrons and that the neutrons are calculated by subtracting the atomic mass and the protons; thus, we are able to obtain the result as shown on the attached picture.

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Answer:

Low-density polyethylene is manufactured by the process of the polymerization of ethylene at very high temperatures in a tubular reactor. In this tubular reactor, high-pressure polymerization allows further copolymerization of ethylene with polar co-monomers. The tubular process has an advantage over autoclave process.

Explanation:

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So, what's shown here is the ion product of pure water: that is, the product of the concentrations of hydronium and hydroxide ions in pure water at 25 °C. By this relation, if you know the [H₃O⁺], you can calculate the [OH⁻], and vice-versa.

Since [H₃O⁺] × [OH⁻] = 1.0 × 10⁻¹⁴, [OH⁻] = (1.0 × 10⁻¹⁴)/[H₃O⁺].

Substituting the given [H₃O⁺] as 1.25 × 10⁻² M:

[OH⁻] = (1.0 × 10⁻¹⁴)/(1.25 × 10⁻² M) = 8.0 × 10⁻¹³ M.

Answer:

Explanation:

The treatment of aldehyde or ketone in the presence of acetic acid with one mole of bromine results in ∝-halo aldehyde or ketone. However, the bromination of ketone undergoes acidic conditions. Hence, the reaction of the ketone with Bromine resulting in the Major Product is shown in the image attached below.

Answer: Ba(NO3)2(aq) + H2O(l)

Explanation:

Answer:

Dipole induced dipole force of attraction.

Explanation:

This is because dipole induced dipole attraction is a weak force of attraction or london force that occur when a polar molecule causes a form induction in a dipole in an atom or in a nonpolar molecule by altering the arrangement non polar electrons.

Answer:

60 pounds of CO₂ are emited into the air

Explanation:

The combustion of gasoline occurs as follows:

C₈H₁₈(l) + 25/2O₂(g) ⇄ 8CO₂(g) + 9H₂O

Where 1 mole of gasoline produce 8 moles of CO₂

To solve this question we must find the moles of gasoline in 3.1 gallons. 8 times these moles are the moles of CO₂ produced. With the moles of CO₂ we can find its pounds as follows:

Pounds gasoline:

3.1 gallons * (6.3 pounds / gallon) = 19.53 pounds

Grams gasoline:

19.53 pounds * (453.592g / pound) = 8859g

Moles gasoline -Molar mass C8H18: 114.23g/mol-

8859g * (1mol / 114.23g) = 77.55 moles gasoline

Moles CO₂:

77.55 moles gasoline * (8 mol CO₂ / mol Gasoline) = 620.4 moles CO₂

Mass CO₂ - Molar mass: 44.01g/mol-

620.4 moles CO₂ * (44.01g / mol) = 27304g CO₂

Pounds CO₂:

27304g CO₂ * (1lb / 453.592g) =

Answer:dang

Explanation:

Answer:  If the gazelle population starts to decrease this could lead to some vultures not having enough food to eat

Explanation: This explains the obvious outcome of what would happen.

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Answer:

0.4 M

Explanation:

The process that takes place in an aqueous K₂HPO₄ solution is:

First we calculate how many K₂HPO₄ moles are there in 200 mL of a 0.2 M solution:

Then we convert K₂HPO₄ moles into K⁺ moles, using the stoichiometric coefficients of the reaction above:

Finally we divide the number of K⁺ moles by the volume, to calculate the molarity:

Answer: All are energy releasing phase changes EXCEPT sublimation.

Explanation:

When molecules with high energy start to lose their energy and begin to settle down then heat energy is released in this process. Hence, this change is exothermic in nature.

When molecules with low energy absorb heat and start moving randomly from one place to another then molecules move to high energy level. Hence, this change is endothermic in nature.

Condensation - The conversion of gas phase into liquid phase is called condensation. Energy is released in this process.

Freezing - The conversion of liquid phase into solid phase is called freezing. Energy is released in this process.

Deposition - The conversion of gas phase into solid phase is called deposition. Energy is released in this process.

Sublimation - The conversion of a solid phase into gas phase without undergoing liquid phase is called sublimation. Energy is absorbed in this process.

Thus, we can conclude that out of the given options all are energy releasing phase changes EXCEPT sublimation.

The aforementioned options are energy releasing phase changes except: D. Sublimation.

A phase change can be defined as the change in the state (phase) of matter of a given chemical compound or substance such as:

In Science, a change in the state (phase) of matter that results in the release of energy is known as an exothermic reaction such as:

In conclusion, sublimation​ is not an energy releasing phase change because it is an endothermic reaction.

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Answer:

So, only one electron is there with n = 0, l = 0 and its quantum set is n = 0, l = 0, ml = 0, ms = -1/2. Hope, this is helping. The maximum number of electrons that can fit inside a 'n' shell is 2n^2. So it would be 1.

Explanation:

Quantum numbers are defined as the set of four numbers with the help of which we can get complete information about the electrons in an atom. Here the term 'n' represents the principal quantum number.

The quantum number which represents the main energy level or shell in which electrons are present. It also determines the average distance of orbital or electron from the nucleus. It can have the whole number values like 1,2,3,4, ....

1. When n = 2, the maximum number of electrons present is 8. That is one 's' sub level and three 'p' sub levels. The spin of four electrons will be +1/2 and other four will be -1/2.

2. When l = 3, the possible orientations = 2l + 1 = 2(3) + 1 = 7. So the maximum number of electrons is 14.

3. The value of ml = -1 indicates only one orbital. So the maximum electrons is 2.

4. Here ml = -1, 0, 1 which shows three orbitals. So in ml = -1, there are only two electrons.

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Answer:

252 Joules

Explanation:

I thin k this is right, im so sorry if not!! :)

Answer:

2365 g

Explanation:

A condition in which bones become weak and brittle.

The body constantly absorbs and replaces bone tissue. With osteoporosis, new bone creation doesn't keep up with old bone removal.

thus 2) is correct.

a disease in which bone tissue becomes breakable and thin.

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Answer:

Limiting factors of an ecosystem include disease, severe climate and weather changes, predator-prey relationships, commercial development, environmental pollution and more. An excess or depletion of any one of these limiting factors can degrade and even destroy a habitat.

Explanation:

The limiting factor of an ecosystem involve disease, weather change, climate change, environment pollution and more. An excess or depletion of any of these factor can destroy over habitat.

An ecosystem is define as a community or a group of living organisms that live together and are dependent on each other.

There are two main types of ecosystem.

Terrestrial ecosystem are land based ecosystem and interaction of biotic and abiotic component in the specific area.

Example- forest, grassland desert etc.

Aquatic ecosystem are ecosystem formed by surrounding water bodies. They are dependent on each other and their environment .

Example- lake, pond, river etc.

Thus ecosystem and their limiting factor have great impact on the level of organization.

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Explanation:

the pressure exerted by the gas is due to the random motion of particles in the gas. Gases have weak intermolecular forces and the particles in continuous random motion and these particles collide with the walls of the container. This collisions with the walls of the container exerts pressure on the gas

Answer:

oo it's from chemistry

Explanation:

I am little week in chemistry so sorry

Answer: D

Explanation:  Irregular galaxies

Answer:

Your answer is D

Explanation:

Irregular galaxies do not have a regular structure.

Answer:

first one pure

second one mixture..

Answer:

So, weight per litre (1.25g/l) times 22.4 l/mole equals the mole weight (28 g/mole).

Answer:

Wavelength (typically measured in nanometers) is the distance between two points in a wave.Frequency (typically measured in Hertz) is the number of waves in a specific time . Frequency and wavelength have both direct and inverse relationships. The crucial difference between frequency and wavelength is that frequency shows the total number of wave oscillations in a given time. As against wavelength specifies the distance between two specific points of a wave.

Explanation:

Frequency is how often something changes per second be it amplitude of a voltage on a wire or be it the bobbing back and forth of a bobblehead. Frequency is how often something moves up and down in a second. If a bobble head moves forward and backward in one second then it has a bobbling frequency of 1 Hertz (Hz). The unit of frequency is Hertz (Hz) or # of cycles or oscillations per second. A wavelength is measured in distance like meters (m). For photons or light or radiowaves the equation is wavelength=speed of light/frequency.

Answer:

Wavelength (typically measured in nanometers) is the distance between two points in a wave, while frequency is how often something changes per second be it amplitude of a voltage on a wire or be it the bobbing back and forth of a bobblehead.

Just dissolve all three compounds in an organic solvent which not miscible with water (those two I have mentioned) in separatory funnel. Use aqueous sodium bicarbonate first to extract. If you use sodium hydroxide, both phenol and benzoic acid will be extracted as both can react with hydroxide

Answer:

C

Explanation:

Check it. So u can know it