- CH₂ - CH₂ - CH₂
–
2
3
I
CH₂
CH₂-CH₂
CH₂
O 2,3-dimethylpentane
O2-methyl-3-methylpentane
O2,3-methylpentane
O 2-methyl-3-ethylbutane

Protein are synthesized by ribosome. The correct option is B, ribosome.

Ribosomes are small spherical organs that are present in the cytoplasm. They are the main site of protein synthesis.

They consist of RNA and  associated protein. They link amino acid together by the order of codons given by messenger RNA.

Thus, the correct option is B: ribosomes.

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Answer:

Sn²⁺ → Sn⁴⁺ + 2e⁻

Explanation:

Answer:

The answer is..

Sn²⁺ → Sn⁴⁺ + 2e⁻

I hoped this helped, please let me know if it isn't the right answer btw. :)

Have a wonderful day!

Answer:

Explanation:

No density does not change when the volume changes unless something is added to the 5 cm^3.

The answer is False

Answer:

it stays the same

Explanation:

Even though the volume of water changes as it becomes ice, the mass of the water should remain the same before and after it turns into ice.

Answer:

Moving away from us

Explanation:

I believe this is the answer. Sorry if it's incorrect, I'm not very good in this subject.

Answer:

The equation of the reaction for the formation lithium oxide from lithium and oxygen is given as:

[tex]2Li + O_2 \rightarrow Li_2O[/tex]

Lithium oxide is a compound formed from the reaction between lithium and oxygen.

The equation for the chemical reaction is given below:

[tex]2Li + O_2 \rightarrow Li_2O[/tex]

Therefore, the reaction between lithium and oxygen yields lithium oxide.

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Pauli's exclusion principle states that no two subshells of same element have same 4 quantum numbers.

Take example of Berrilim orbital

Electronic configuration is given by 1s²2s²

But the orbital is

[tex]\\ \rm\Rrightarrow \huge{\boxed{\uparrow\downarrow}}\:\:\huge{\boxed{\uparrow\downarrow\mid\:\:\:\:\mid\:\:\:}}[/tex]

The new pressure of the gas would be 599.03 kilopascals

Boyles postulated that the pressure of any gas would be inversely proportional to its volume if the temperature of the gas remains unchanged.  

Mathematically: P1V1 = P2V2

In this case, P1 = 105 kilopascals, V1 = 2.031 liters, V2 = 0.356 liters.

P2 = P1V1/V2 = 105 x 2.031/0.356 = 599.03 kilopascals

Thus, the new pressure will be 599.03 kilopascals.

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Answer: 599

Explanation:

cuz i got the answer right on the test

When the equilibrium of a system shift to increase the total moles of gas in the system, when the pressure is decreased.

Equilibrium law states that when any external stress is applied on the equilibrium state of the reaction then reaction will shift towards that side where external stress decreases.

Relation between pressure and moles of gas is directly proportional to each other. So when pressure is decreased then to maintain the equilibrium total moles of the gas of the system will increases as a result of which pressure increases.

Hence, equilibrium shift to increase the total moles of gas in the system.

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Answer: to maximize the stress on the system

Explanation: i took the test

Answer:

The major natural causal agent for acid rain is volcanic emissions. Volcanoes emit acid-producing gases to create higher than normal amounts of acid rain or any other form of precipitation such as fog and snow to an extent of affecting vegetation cover and health of residents within the surrounding.

Answer:

99%

Explanation:

It have Full cream and it is yummy

Answer:

hydrogen bonding, hope this helps

Explanation:

Answer:

1. What makes a "fluorescent" highlighter marker so bright?

When light of a certain wavelength is directed at the molecule's chromophore, a photon is absorbed and excites an electron to a higher energy state. Fluorescent highlighter ink is unusually bright because it converts some of the incident ultraviolet light that is invisible to humans into visible light.

2. How does plasma make a campfire flame orange?

The de-excitation of plasma (charged gas) is not the source of the light given off by a campfire's flame. The incandescence of solid soot particles billowing up on an updraft of hot air is what creates the light seen as a flame.

3. Why are crystals rare?

The answer is twofold: erosion and mixed composition. Wind, rain, and water flow have a way of knocking and mixing around things here on earth

Answer:

1: When light of a certain wavelength is directed at the molecule's chromophore, a photon is absorbed and excites an electron to a higher energy state. Fluorescent highlighter ink is unusually bright because it converts some of the incident ultraviolet light that is invisible to humans into visible light.

2: The de-excitation of plasma (charged gas) is not the source of the light given off by a campfire's flame. The incandescence of solid soot particles billowing up on an updraft of hot air is what creates the light seen as a flame.

3: erosion and mixed composition. Wind, rain, and water flow have a way of knocking and mixing around things here on earth. This erosion causes big crystals such as a palm-sized amethyst to get knocked apart into little crystals.

The molar mass of the compound with 20 l volume of gas with mass of 10.0 g. is 160.51 M.

Molar mass of many compounds can be calculated by dividing the mass of the compound by the number of moles of the compound.

Calculating the moles

Convert Kelvin into Celsius

[tex]\rm PV = nRT\\1 atm. \times 20.0 \times = n \times 8.314 \times 0.15 \circ C\\n = 0.0623[/tex]

Calculating the molar mass

[tex]\rm Molar\;mass = \dfrac{mass}{number\;of\;moles} \\\\Molar\;mass = \dfrac{10.0 }{0.0623} = 160.51 M[/tex]

Thus, the  molar mass of the compound is 160.51 M.

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Answer:

n, the number of moles of gas is the same

Explanation:

PV = n RT     if    P  and V and T  and R are the same , the n must be the same

n = numer of moles

Answer:

.821 g/L

Explanation:

It does not matter what the gas is, just the number of moles to calculate volume....

Ideal Gas Law :  

PV = n R T       R = gas constant = .082057 L-atm/(mol-K)  &  T in Kelvin units

(1.18)(V) = 5 * .082057 * (25 + 273.15)

V = 103.67 Liters

NOW ...to calculate density, the gas  IS important...

  mole weight of NH3  (from periodic table) =  17.031 gm/mole

Density =  mass / volume    =    (5 * 17.031) / 103.67 L = .821 gm/L

Answer is chemical change

Answer:

Virtually every industry in the world anticipates sweeping systemic transformation over the next decade in their strategic planning, production practices, and business models, according to the Sustainability Survey Poll on Water. The global opinion poll, which released a survey of more than 1,200 sustainability experts in March, concludes that water shortages will shift public perception of the value of water, prompting governments and companies to view clean water not as a commodity to exploit but as a precious resource.Conducted by GlobeScan, an international public and stakeholder opinion research firm, and SustainAbility, a think tank and business strategy consultancy, the poll asked, “What are the technologies or changes in behavior which show the most promise for addressing water shortages over the next 10 years?” The experts’ responses generated 19 consensus solutions.

Explanation:

The best radioisotope to use in powering planet and space exploration is plutonium-239 since it has the longest half-life of 21400 years.

The half-life ofa radioactive element is the time it takes for half the amount of atoms in the element to spontaneously decay.

The half-life of radioactive elements vary.

The half life of the given radioactive elements are as follows:

Therefore, the best radioisotope to use in powering planet and space exploration is plutonium-239 since it has the longest half-life of 21400 years.

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Answer:

D. ) Plutonium-239

Explanation:

To give the glass its final shape and size, it is blown into with a blowpipe, creating a sort of bubble of glass. To carry out this process, the blowpipe holding the glass must be placed on a steel stand. Then, the glass artist has to blow into the blowpipe while rotating it at the same

Answer:

carbon aroms are 5

hydrogen atoms are 20

Answer:

Explanation:

Energy can come in many different forms such as mechanical energy, sound energy, electromagnetic energy, thermal energy, chemical energy, and nuclear energy.

15 Energy is measured in units called __________

The mass of the water in the container given the data from the question is 22.5 g

Heat loss = Heat gain

MC(T – Tₑ) = MᵥᵥCᵥᵥ(Tₑ – Tᵥᵥ)

54.3 × 0.128 (384.4 – 297.6) = Mᵥᵥ × 4.184(297.6 – 291.2)

6.9504 × 86.8 = Mᵥᵥ × 4.184 × 6.4

Divide both side by 4.184 × 6.4

Mᵥᵥ = (6.9504 × 86.8) / (4.184 × 6.4)

Mᵥᵥ = 22.5 g

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The best approach would be to use soap to break up the oil since the soap is biodegradable and has no effect on the environment.

A clean up effort is a deliberate effort to recover the environment after an environmental hazard has occurred such as an oil spill.

In carrying out a clean up exercise, we seek for the most environmentally friendly approach.

In this case, the best approach would be to use soap to break up the oil since the soap is biodegradable and has no effect on the environment.

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303K − 273.15 = 29.85°C

45K − 273.15 = -228.1°C

This is not the best way to organize a periodic table because two elements might have similar atomic mass.

Periodic table is a chart in which arrangement of chemical elements are done.

In the early periodic table elements are arranged on the basis of their atomic masses, while after sometime Moseley arranged the periodic table on the basis of atomic number as he proposed that properties of an element is justified on the basis of number if electrons.

And mass of two substances may be same so it is difficult to differentiate between them.

Hence, two elements might have similar atomic mass.

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Answer:

hope it helps cuz i did not really understand