Which characteristic of planets depends upon its distance from the Sun?

Two answers. Pressure and they're not big enough.

Now, you see, in order for hydrogen to be metallic, the interiors of Uranus and Neptune would have to have more pressure.

Pressure can be defined as the exertion of force upon a surface by an object, fluid, etc., in contact with it.

The three states of matter on Earth are solid, liquid, and gas. An element's shape is determined by its temperature and pressure. On Earth, hydrogen is generally a gas, but it may be intentionally cooled and compressed to change its state into a liquid or a solid. Hydrogen is still a non-metal even in these states; since its atoms strongly cling on to their electrons, it has poor electrical and thermal conductivity. Contrarily, metals have good electrical and thermal conductivity due to the arrangement of their atoms, which forms a lattice that makes it simple for the outermost electrons of one atom to go to another.

Jupiter and Saturn are the two gas giants in our solar system. Based on their densities, both planets have a considerable amount of hydrogen in them. However, the hydrogen in these giants is heated and compressed to such high temperatures and pressures that it assumes a number of peculiar phases, including liquid metallic hydrogen. Hydrogen, as I previously stated, is a non-metal. However, in Jupiter and Saturn, the extreme temperatures and pressures cause hydrogen atoms to lose their electrons, resulting in a stew of free-floating hydrogen nuclei (protons) and electrons. The ability of the electrons to travel freely between the nuclei due to their unbound state is a characteristic of metals. This is metallic hydrogen, which has a metallic-like behavior. Metallic hydrogen is conductive and is thought to play a significant role in the dynamo that drives the magnetic fields of Jupiter and Saturn. (However, the dynamo on Earth is propelled by liquid iron, a real metal.)

The ice giants of our solar system, Uranus and Neptune, are too dense for hydrogen to make up a significant portion of their composition. In addition, because of how similar their masses are, planetary scientists presume that the innards of these two planets are comparable and that hydrogen makes up just around 15% of their masses. Although hydrogen is thought to form a liquid molecular shell deeper into Uranus and Neptune and is present in their atmospheres, it never experiences the pressures and temperatures necessary to transform into metallic hydrogen.

Thanks.

Difference between molecular weight and molar mass

Hint : Molar mass of molecules is also called molecular weight . Its unit is gram per mole. We can calculate molar mass of molecule with the help of following rules; ... Molar mass of nitric acid (HNO3) =atomic mass of hydrogen + atomic mass of nitrogen +3× atomic mass of oxygen .

Answer:

answer

Explanation:

Sorry I do not know the answer, hope you have a great day

Answer:

"After crude oil is removed from the ground, it is sent to a refinery where different parts of the crude oil are separated into useable petroleum products. These petroleum products include gasoline, distillates such as diesel fuel and heating oil, jet fuel, petrochemical feedstocks, waxes, lubricating oils, and asphalt.

A U.S 42-gallon barrel of crude oil yields about 45 gallons of petroleum products in U.S. refineries because of refinery processing gain. This increase in volume is similar to what happens to popcorn when it is popped."

"What are petroleum products, and what is petroleum used for?

Petroleum products include transportation fuels, fuel oils for heating and electricity generation, asphalt and road oil, and feedstocks for making the chemicals, plastics, and synthetic materials that are in nearly everything we use. Of the approximately 7.21 billion barrels of total U.S. petroleum consumption in 2016, 47% was motor gasoline (includes ethanol), 20% was distillate fuel (heating oil and diesel fuel), and 8% was jet fuel."

Solvents Diesel fuel Motor Oil Bearing Grease

Ink Floor Wax Ballpoint Pens Football Cleats

Upholstery Sweaters Boats Insecticides

Bicycle Tires Sports Car Bodies Nail Polish Fishing lures

Dresses Tires Golf Bags Perfumes

Cassettes Dishwasher parts Tool Boxes Shoe Polish

Motorcycle Helmet Caulking Petroleum Jelly Transparent Tape

CD Player Faucet Washers Antiseptics Clothesline

Curtains Food Preservatives Basketballs Soap

Vitamin Capsules Antihistamines

Answer:

pH = 2 and pOH = 12

Explanation:

Given [OH⁻] = 1 x 10⁻¹²M

pOH = -log[OH⁻] = -log(1 x 10⁻¹²) = - ( -12 ) = 12

pH + pOH = 14 => pH = 14 - pOH = 14 - 12 = 2

Answer:

Fewer hydrogen bonds form between alcohol molecules. As a result, less heat is needed for alcohol molecules to break away from solution and enter the air.

Explanation:

Hydrogen bonding is a kind of intermolecular interaction that occurs when hydrogen is bonded to a highly electronegative atom.

Both water and alcohols exhibit hydrogen bonding. However, alcohols exhibit fewer hydrogen bonds than water.

As a result of this, the temperature of evaporation is much higher for water than for alcohol because hydrogen bonds hold water molecules more closely than alcohol molecules are held.

Answer:

They all have the same number of molecules or atoms which is 3.011*10²⁴ molecules or atoms.

5 moles of O = 3.011*10²⁴ molecules or atoms

5 moles of N = 3.011*10²⁴ molecules or atoms

5 moles of MgCl2 = 3.011*10²⁴ molecules or atoms

5 moles of C2H3NO = 3.011*10²⁴ molecules or atoms.

Explanation:

a)

5 moles of O = ?

1 mole of any substance is equal to Avogadro's number which is equal to 6.022×10²³molecules or atoms

From the question above,

5 moles of O = 5 × 6.022*10²³ = 3.011×10²⁴atoms or molecules.

b)

5 moles of N

From the same principle or fundamentally stated fact above,

1 mole of any substance = 6.022*10²³molecules or atom

5 moles of N = 5 × 6.024

2*10²³ = 3.011*10²⁴atoms or molecules.

c)

5 moles of MgCl₂

Same principle we used in a and b,

1 mole of any substance = 6.022*10²³ atoms or molecules

5 moles of MgCl2 = 5.0×6.022*10²³ = 3.011*10²⁴ atoms or molecules.

d)

5 moles of C₂H₃NO = ?

1 mole of C₂H₃NO = 6.022*10²³molecules or atoms

5 moles = x molecules or atoms

x = 5 × 6.024

2*10²³ = 3.011*10²⁴ atoms or molecules

What this proves is that no matter the compound, molecule or element, as long as they have equal amount of moles, they'll have the same number of atoms, molecules or particles.

Answer:

a. 3.011x10²⁴ atoms of O in 5 moles.

b. 3.011x10²⁴ atoms of N in 5 moles.

c. 3.011x10²⁴ atoms of MgCl₂ in 5 moles.

d. 3.011x10²⁴ atoms of C₂H₃NO in 5 moles

Explanation:

A mole is defined as the number of atoms in exactly 12.000g of ¹²C.

This number is equal to 6.022x10²³. That means 1 mole is equal to 6.022x10²³.

Thus:

a. O . 5 moles of oxygen (An atom) are:

5 moles O ₓ (6.022x10²³ atoms of O / mole) = 3.011x10²⁴ atoms of O in 5 moles

b. N . Also, 5 moles of nitrogen are:

5 moles N ₓ (6.022x10²³ atoms of N / mole) = 3.011x10²⁴ atoms of N in 5 moles

c. MgCl₂ . Magnesium chloride is a molecule. Again, 1 mole of MgCl₂ contains 6.022x10²³ molecules and 5 moles are:

5 moles MgCl₂ ₓ (6.022x10²³ molecules of MgCl₂ / mole) = 3.011x10²⁴ atoms of MgCl₂ in 5 moles

d. C₂H₃NO. 5 moles of C₂H₃NO are:

5 moles  C₂H₃NO ₓ (6.022x10²³ molecules of  C₂H₃NO / mole) = 3.011x10²⁴ atoms of C₂H₃NO in 5 moles

As you can see, number of molecules of 1 mole doesn't depend on the nature of the substance.

Answer: A.6

Explanation:

The total number of molecules in the chemical formula is 6

Molecules  are the smallest particle of a substance that has all of the physical and chemical properties of that substance. Molecules are made up of one or more atoms.

The correct form of question will be:-6 molecule of methane CH₄

                       6CH4

⇒ Number of aton of carbon is 6

⇒Number of atom of hydrogen is 24

⇒Total number of atom is 30

An atom is a particle of matter that neither be created nor be destroyed. An atom consists of a central nucleus that is usually surrounded by one or more electrons. Each electron is negatively charged. The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.

Learn more about molecules here: https://brainly.com/question/26044300

#SPJ2

The pH of a solution that has a concentration of \(2.78 * 10^{-3}\)M is 2.56. The aqueous solution is acidic because it is less than 7 on the pH scale.

pH is a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline.

The pH is equal to −log {H}

According to this question, \(2.78 * 10^{-3}\) of hydrogen bromide is given. The pH can be estimated as follows:

pH = \(- log\) {\(2.78 * 10^{-3}\)}

pH = 2.56 (acidic)

The complete question is as follows:

What is the hydronium ion concentration for an aqueous solution with a hydroxide ion concentration of 2.78x10^-10 M? Is the solution acidic basic or neutral?

Learn more about pH at: https://brainly.com/question/11875850

#SPJ1

Answer: scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis.

Explanation:

When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.

The number of molecules of nitrogen will be the same as the number of molecules of hydrogen. The correct option is C.

The law states that different gases of the same volume stored at the same temperature and pressure will contain the same number of molecules.

Going by Avogadro's law, 500 ml of nitrogen and 500 ml of hydrogen kept together in one vessel at the same constant temperature and pressure will have the same number of molecules.

More on Avogadro's law can be found here: https://brainly.com/question/4133756

#SPJ1

In solution 4 of part b, both the hydronium concentration and hydroxide concentration are 1 M due to the neutralization reaction between HCl and NaOH. The initial concentrations of H₃O⁺ and OH⁻ were 0.1 M, but they reacted to form water and resulted in equal final concentrations of 1 M for both ions.

To calculate the hydronium and hydroxide concentrations for solution 4 in part b, we need to first understand the equation for the reaction that occurred.

The equation given is: HCl + NaOH -> NaCl + H₂O

This tells us that one mole of HCl reacts with one mole of NaOH to produce one mole of NaCl and one mole of water.

Based on this equation, we know that the initial concentration of hydroxide ions (OH-) in solution 4 is equal to the initial concentration of sodium hydroxide (NaOH), which was given as 0.1 M.

Next, we need to determine the concentration of hydronium ions (H₃O⁺). Since HCl is a strong acid, it completely dissociates in water to produce H₃O⁺ and Cl⁻ ions. Therefore, we can assume that the initial concentration of H₃O⁺ is equal to the initial concentration of HCl, which was also given as 0.1 M.

Now, let's consider what happens when the HCl and NaOH are mixed together. They react to form NaCl and water, which means that the concentrations of H₃O⁺ and OH⁻ will change.

From the equation, we can see that the reaction consumes one mole of HCl and one mole of NaOH. This means that the final concentration of HCl and NaOH will both be zero.

To determine the final concentration of OH-, we need to use the fact that the reaction produces one mole of water for every mole of NaOH that reacts. Therefore, the final concentration of OH⁻ will be equal to the initial concentration of NaOH (0.1 M) divided by the volume of the solution.

If we assume that the volume of the solution is 100 mL (as stated in the question), then the final concentration of OH- will be:

[OH⁻] = 0.1 M / 0.1 L = 1 M

Finally, we can use the fact that the concentration of H₃O⁺ and OH⁻ must be equal in a neutral solution to determine the final concentration of H₃O⁺.

Since the final concentration of OH⁻ is 1 M, we know that the final concentration of H₃O⁺ must also be 1 M.

To know more about the hydronium & hydroxide concentrations refer here :

https://brainly.com/question/29286376#

#SPJ11

Answer:

20 km/h

Explanation:

Speed = distance ÷ time

Speed = 10 ÷ 0.5 hours

Speed = 20 km/hr

There are  118 grams in 1.2 x 10^24 atoms of cobalt.

To find the grams in 1.2 x 10^24 atoms of cobalt (Co), we need to use Avogadro's number and  the molar mass of CO, which is approximately 28 g/mol.

1. First, determine the moles of Co using Avogadro's number (6.022 x 10^23 atoms/mol):
(1.2 x 10^24 atoms) / (6.022 x 10^23 atoms/mol) ≈ 1.993 moles of Co.

2. Next, find the molar mass of Co (58.933 g/mol, from the periodic table).

3. Finally, calculate the grams of Co:
(1.993 moles) x (58.933 g/mol) ≈ 117.48 grams.

So, there are approximately 117.48 grams in 1.2 x 10^24 atoms of cobalt.

#SPJ11

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

- BRAINLIEST answerer

Yes, a higher heat of combustion for a fuel means it is more efficient. The heat of combustion is the amount of heat produced when a unit amount of a substance burns.

Therefore, a higher heat of combustion indicates that more heat is generated when the fuel burns. This, in turn, means that more energy is available from the fuel, making it more efficient.Therefore, a fuel with a higher heat of combustion provides more energy per unit of fuel. As a result, it is generally more efficient because it requires less fuel to produce the same amount of energy as a less efficient fuel with a lower heat of combustion.In summary, a higher heat of combustion means that a fuel is more efficient because it produces more energy per unit of fuel. This reduces the amount of fuel required to produce the same amount of energy, resulting in better fuel efficiency.

for more such question on combustion

https://brainly.com/question/13251946

#SPJ11

Answer:

731.5j.

Explanation:

Basic Formula : Q = mcT.

Q - Heat gained or lost.

m - mass of the given substance.

c - specific heat capacity.

T - Change in temperature ( it often has a delta(triangle) before it.

so now we are directly asked to find the heat.

Q = mcT

m= 5g

c = 4.18

but T = 35k which means 35 kelvin.

why? because you will need to convert the two given initial and final temperatures inorder to cancel the unit kelvin out from the formula above. the target is simply to make the unit J - joule be left alone.

now We convert celsius temperature to kelvin by adding a constant of 273.15 approximately 273.

therefore - Tk = Tc + 273

which will be equivalent to 295k for the initial temperature and 330k for the final.

now granted...keep in mind to use the CHANGE in temperature which is the difference of the 2 kelvin temperatures we just converted

so T = 330k - 295k = 35k

then just substitute everything in the very 1st formula i stated above.

Q = mcT = 5 x 4.18 x 35 = 731.5 J

peace to you.

The correct formula for the compound copper I sulfate is Cu2SO4. Here's the explanation:Chemical formulas are used to express the chemical composition of compounds in a simple manner.

In these formulas, chemical symbols are employed to signify elements while subscripts are used to specify the number of atoms or ions of each element in the molecule.For example, the formula for water is H2O, which means that each water molecule contains two hydrogen atoms and one oxygen atom.

Copper I sulfate, like all other ionic compounds, has a formula that reflects its chemical composition. Copper I sulfate is formed by the combination of copper I ions (Cu+) and sulfate ions (SO42-).

The copper I ion has a charge of +1, while the sulfate ion has a charge of -2. As a result, in order to achieve electrical neutrality, two copper I ions must combine with one sulfate ion.To express the chemical composition of copper I sulfate in formula notation, we can use subscripts to indicate the number of atoms or ions of each element present in the molecule.Therefore, the formula for copper I sulfate is Cu2SO4.

The two copper I ions and one sulfate ion in the molecule are indicated by the subscripts 2 and 1, respectively.

To know more about compound copper I visit:

https://brainly.com/question/15173574

#SPJ11

Answer:

\(workdone = weight \: \times \: distance \\ = 25 \times 40 \\ = 1000 \: lbsft \\ or \\ = 1000 \: joules\)

In phenyl benzoate, there are two aromatic rings: the phenyl ring and the benzoyl ring. The phenyl ring is expected to react faster for a nitration reaction than the benzoyl ring. This is because the phenyl ring is more electron-rich than the benzoyl ring, due to presence of the electron-donating substituent (the methoxy group) on the phenyl ring.

The reactivity of each ring towards nitration will depend on a number of factors, such as the electronic properties and steric hindrance of the substituents on each ring. In contrast, the benzoyl ring is relatively electron-poor, due to the presence of the carbonyl group, which withdraws electrons from the ring. This makes it less reactive towards electrophilic substitution reactions, such as nitration.

To know more about phenyl benzoate, here

brainly.com/question/29665522

#SPJ4

The element Sc (Scandium) was present in Mendeleev's periodic table. Therefore, the correct answer is (a) Sc.

Mendeleev's periodic table:

Mendeleev's periodic table is a chart that organizes all known elements based on their atomic number, chemical properties, and recurring patterns in their physical and chemical properties.

The periodic table consists of rows (called periods) and columns (called groups). Elements in the same group have similar chemical properties, while elements in the same period have the same number of electron shells.

Mendeleev published the first version of his periodic table in 1869, which included 63 elements known at that time. Scandium (Sc) was discovered in 1879 by Lars Fredrik Nilson and was later added to the periodic table in its proper position based on its atomic number and chemical properties.

On the other hand, Technetium (Tc) was not present in Mendeleev's periodic table because it was not discovered until 1937, long after Mendeleev's death. Similarly, Germanium (Ge) was not discovered until 1886, after the publication of Mendeleev's periodic table, but it was added to the periodic table in its proper position based on its properties.

To know more about electron shells, visit:

https://brainly.com/question/30464976

#SPJ9

The correct option is (c.) KBr < NaCl < Na2O < MgO. The compounds are in  order of increasing magnitude of lattice energy.

Lattice energy is a measure of the strength of the ionic bonds in a compound. It depends on factors such as the charges and sizes of the ions involved. Generally, compounds with higher charges and smaller ion sizes have higher lattice energies.

In the given compounds, KBr, NaCl, Na2O, and MgO, we need to arrange them in order of increasing lattice energy.

KBr: Potassium bromide has a smaller charge than the other compounds (K+ and Br-) and larger ion sizes compared to NaCl and Na2O. Hence, it has the lowest lattice energy.

NaCl: Sodium chloride has a higher charge than KBr (Na+ and Cl-) and smaller ion sizes. Therefore, it has a higher lattice energy than KBr.

Na2O: Sodium oxide has the same charge as NaCl (Na+ and O2-) but larger ion sizes. Due to the larger ion sizes, Na2O has a lower lattice energy than NaCl.

MgO: Magnesium oxide has a higher charge than the other compounds (Mg2+ and O2-) and smaller ion sizes. Therefore, it has the highest lattice energy among the given compounds.

The correct order of increasing magnitude of lattice energy is c. KBr < NaCl < Na2O < MgO.

To know more about NaCl, visit:

https://brainly.com/question/24878544

#SPJ11

The functional groups can be identified via IR Spectroscopy, which monitors atom vibrations.

It is feasible to identify the functional groups using IR Spectroscopy, which monitors the atoms' vibrations. 5 Typically, lighter atoms and stronger connections will vibrate with a higher stretching frequency (wavenumber).

IR spectra of solids and liquids are often produced using straightforward liquid cells after the sample has been dissolved in a solvent that is moderately IR transparent, like CCl4. Another method for studying a solid directly involves grinding it into a fine paste using NUJOLTM, a blend of highly pure hydrocarbons.

The process involves passing infrared light through the organic compound we wish to identify; some of the frequencies are absorbed by the compound, and if we keep track of the light that passes through, the precise frequencies of the absorptions may be determined.

To learn more about IR spectrum refer to:

https://brainly.com/question/5951360

#SPJ4

Answer:

Kc = [CaO] [O2] / [CaCO3]

Explanation:

Equilibrium constant, Kc is simply defined as the ratio of the concentration of products raised to their coefficient to the concentration of the reactants raised to their coefficient.

Thus, we can write the equation for the equilibrium constant, Kc for the reaction given in the question above as follow:

CaCO3(s) <==> CaO(s) + O2(g)

Kc = [CaO] [O2] / [CaCO3]

This significant change in the Earth's atmosphere is marked by the emergence of redbeds, sediments that contain oxidised iron.

The release of oxygen into the atmosphere led to the formation of minerals on land (continental redbeds). Since the created oxygen was absorbed by rocks for a very long time, as seen in Banded Iron Formations (BIFs) and continental red beds, it did not accumulate in the atmosphere for very long. The majority of the oxygen created over time is still preserved in the historic "banded rock" and "red bed" formations. The growth of oxygen may have been significantly influenced by the oxidation of the mantle rocks. It has been suggested that the shift from subaerial to mostly submerged volcanoes may also have resulted in a decline in volcanic emission of decreased gases.

To learn more about iron click here   https://brainly.com/question/18500540

#SPJ4

Energy is inversely proportional to the wavelength of a wave. Which would have the GREATEST energy. A wave with a wavelength of  5  meters.

The relationship between wavelength and energy is given as :

E = hf

E = h c / λ

where,

E = energy

h = Planck constant

c = speed of light

λ = wavelength

So, energy is inversely proportional to wavelength,  therefore, the wave having least amount of wavelength will have greatest amount of energy. So, according to the given value . the wavelength 5 m will have greatest energy.

Thus, Energy is inversely proportional to the wavelength of a wave. Which would have the GREATEST energy. A wave with a wavelength of  5  meters.

To learn more about Wavelength here

https://brainly.com/question/13533093

#SPJ1

Explanation:

At 4th point the slump block is located

hope this helps you

have a great day :)

It is point 2, for anyone who sees this is the future