Which of the following molecules is the least polar?

A) H-H

B) H-CI

C) H-F

D) H-I

The property X is an extrinsic property.

The term extensive property refers to the type of property that depends on the amount of the substance present. We must recall that an intensive property does not in any way depend on the number or the amount of the substance present in the sample.

If we have a good look at the table that is being referred to here, we would see that the mass of the substance tends to increase as a certain un named property of the substance X is increasing. This implies that the property X is affected by the mass of the object which is the quantity of matter in the object. This gives us an idea that the property that we are referring to can not be an intrinsic  property since it varies with the mass of the substance that is under study as shown.

We can then conclude that the property X is an extrinsic property.

Learn more about extrinsic property: https://brainly.com/question/28588297

#SPJ1

Missing parts;

Carrie measured mass and another property, X, of three pure samples of the same compound. She recorded her data in the table. Which of the following best describes property X?

A. X  is an intensive property because it does not vary with the size of the sample.

B. X is an extensive property because it does not vary with the size of the sample.

C. X is an extensive property because it varies directly with the size of the sample.

D. X is an intensive property because it varies directly with the size of the sample.

Answer:

Increases

Explanation:

The gravitational potential energy of an object increases as you bring it higher with respect to the ground.

Gravitational potential energy depends on the mass, height and gravity between two bodies;

   Gravitational potential energy  = mgh

m is the mass

g is the height

h is the height

Answer:

Hopefully this was helpful!

In this structure, Oxygen (O) is the central atom, and it is bonded to one Hydrogen (H) atom. Oxygen also has two lone pairs of electrons.

To calculate the formal charge, we need to determine the valence electrons of each atom and compare them to the number of electrons assigned to the atom in the Lewis structure.

For Oxygen (O):

Valence electrons = 6

Number of lone pairs = 2

Number of bonding electrons = 2 (from the bond with Hydrogen)

Formal charge = Valence electrons - Lone pairs - Number of bonding electrons

= 6 - 2 - 2

= 2 - 2

= 0

For Hydrogen (H):

Valence electrons = 1

Number of bonding electrons = 2 (from the bond with Oxygen)

Formal charge = Valence electrons - Number of bonding electrons

= 1 - 2

= -1

Therefore, the formal charge of Oxygen in the hydroxide ion (OH-) is 0, and the formal charge of Hydrogen is -1.

Learn more about Lewis Dot Structure, here:

https://brainly.com/question/28652824

#SPJ6

The volume of carbon dioxide produced is approximately (d) 11.9 liters.

To determine the amount of carbon dioxide (C\(O_2\)) produced when 37.8 grams of carbon disulfide (C\(S_2\)) reacts with excess oxygen gas (\(O_2\)), we need to use stoichiometry and the given balanced chemical equation:

C\(S_2\)(l) + 3\(O_2\)(g) → C\(O_2\)(g) + 2S\(O_2\)(g)

First, we calculate the number of moles of C\(S_2\) using its molar mass:

Molar mass of (C\(S_2\)) = 12.01 g/mol (C) + 32.07 g/mol (S) × 2 = 76.14 g/mol

Number of moles of (C\(S_2\)) = mass / molar mass = 37.8 g / 76.14 g/mol ≈ 0.496 mol

From the balanced equation, we can see that the stoichiometric ratio between (C\(S_2\)) and C\(O_2\) is 1:1. Therefore, the number of moles of C\(O_2\) produced will also be 0.496 mol.

Now we can use the ideal gas law to calculate the volume of C\(O_2\) at the given temperature and pressure. The ideal gas law equation is:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant (0.0821 L·atm/mol·K), and T is the temperature in Kelvin.

Converting the temperature from Celsius to Kelvin:

T(K) = 28.85°C + 273.15 = 302 K

Using the ideal gas law:

V = nRT / P = (0.496 mol) × (0.0821 L·atm/mol·K) × (302 K) / (1.02 atm) ≈ 11.9 L

The correct answer is 11.9 liters.

for more questions on carbon dioxide

https://brainly.com/question/26150306

#SPJ8

Answer:

The balanced equation for the reaction of NH3 and O2 is: 4 NH3 + 5 O2 -> 4 NO + 6 H2O.

From the balanced equation, it can be determined that for every 4 moles of NH3, 5 moles of O2 are needed to react.

To convert 14.8 g of NH3 to moles, the following calculation can be used: 14.8 g NH3 / 17.03 g/mol = 0.87 moles NH3.

Therefore, the number of moles of O2 needed to react with 14.8 g of NH3 is: 0.87 moles NH3 * (5 moles O2 / 4 moles NH3) = 1.09 moles O2.

To convert moles of a substance to grams, the following calculation can be used: moles x molar mass (in g/mol)

Therefore, the number of grams of O2 needed to react with 14.8 g of NH3 is: 1.09 moles O2 * (32.00 g/mol) = 35.1 g O2

The synthesis of ch3oh(g) from co(g) and h2(g). The value of kc for the reaction at 483 k is 14.5. a 1.0 mol sample of co(g) and a 1.0 mol sample of h2 (g) are pumped into a rigid. [CH3OH] = 14.5 M is true at equilibrium.

The synthesis of CH3OH(g) from CO(g) and H2(g) is represented by the following equilibrium equation:

CO(g) + 2H2(g) <---> CH3OH(g)

The equilibrium constant (Kc) for this reaction at a temperature of 483 K is 14.5. This means that at equilibrium, the concentration of CH3OH(g) in the reaction vessel will be 14.5 times greater than the combined concentrations of CO(g) and H2(g). If a 1.0 mol sample of CO(g) and a 1.0 mol sample of H2(g) are pumped into a rigid, previously evacuated 2.0 L reaction vessel at 483 K, the initial concentrations of CO(g) and H2(g) will be 0.5 mol/L for each gas. The initial concentration of CH3OH(g) will be zero, as the reaction has not yet reached equilibrium. At equilibrium, the concentrations of CO(g), H2(g), and CH3OH(g) in the reaction vessel will be in a ratio of 1:2:1, as indicated by the coefficients in the equilibrium equation. The concentration of CH3OH(g) at equilibrium will be 14.5 times greater than the combined concentrations of CO(g) and H2(g), or 14.5 x (0.5 mol/L + 0.5 mol/L) = 14.5 x 1.0 mol/L = 14.5 mol/L.

Based on these calculations, the correct statement is:

(c) [CH3OH] = 14.5 M

To know more about equilibrium please refer: https://brainly.com/question/8983535

#SPJ4

The direction of heat transfer between two samples of carbon depends on their temperature difference, and not solely on their average kinetic energy. While the average kinetic energy of a substance is related to its temperature, it is not the determining factor for the direction of heat transfer.

When two samples of carbon come into contact, a heat transfer will occur between sample A and sample B. The direction of heat transfer is dependent on the temperature difference between the samples. Heat transfer always flows from a hotter object to a cooler object, so if sample A is hotter than sample B, heat will flow from A to B. If sample B is hotter than sample A, heat will flow from B to A.
The average kinetic energy of the molecules in a substance is related to its temperature. The higher the average kinetic energy, the higher the temperature of the substance. However, the average kinetic energy does not determine the direction of heat transfer.
It is possible for a substance with a lower average kinetic energy (and therefore a lower temperature) to transfer heat to a substance with a higher average kinetic energy (and therefore a higher temperature). This can occur if the substance with the lower temperature has a greater heat capacity, which means it can absorb more heat without a significant increase in temperature.

for more questions on kinetic energy

https://brainly.com/question/25959744

#SPJ8

that's completely false because a solution is a homogeneous substance, not an analogous

Answer:

18 kJ/mol

Explanation:

Sorry, I could not place a picture so I put it in as a PDF.

Activation energy for reverse = 154 kJ/mol (same as forward due to transition state equivalence).

In a reversible reaction like N₂O₅(g) ⇌ N₂(g) + NO₃(g), the activation energy for the forward and reverse reactions can be equal when the transition states are equivalent. This occurs if the same bonds are broken and formed in both directions.

Given activation energy (Ea) for the forward reaction = 154 kJ/mol and overall energy change (ΔE) = 136 kJ/mol.

For the forward reaction:

Activation energy (Ea_forward) = 154 kJ/mol.

For the reverse reaction, we use the relationship between activation energy and overall energy change:

Ea_reverse = ΔE - Ea_forward

Ea_reverse = 136 kJ/mol - 154 kJ/mol

Ea_reverse = -18 kJ/mol.

However, activation energies are typically reported as positive values. Since a negative activation energy doesn't make physical sense, it suggests that the forward and reverse transition states are structurally similar, making Ea_reverse the same as Ea_forward, which is 154 kJ/mol.

To learn more about Activation energy  here

https://brainly.com/question/32469341

#SPJ3

A methane molecule (CH4) is considered symmetrical because it possesses a symmetric structure and exhibits symmetry operations.

Symmetry refers to a balanced arrangement of elements that can be divided into equal parts by a plane, axis, or center. In the case of methane, it exhibits several symmetrical characteristics.

Firstly, methane has a tetrahedral molecular geometry, with the carbon atom at the center and four hydrogen atoms positioned around it. This geometry ensures that the molecule is symmetrical in terms of its spatial arrangement.

Each hydrogen atom is located at one of the vertices of the tetrahedron, forming equal angles and distances with respect to the central carbon atom. This symmetry is maintained regardless of the orientation of the molecule.

Additionally, methane possesses rotational symmetry. It can be rotated around any of the carbon-hydrogen bonds, and the molecule will retain its overall appearance.

The symmetry of methane arises from its molecular structure and the equal distribution of electron density around the central carbon atom. The four hydrogen atoms are bonded to the carbon through sigma bonds, which have a cylindrical symmetry. This balanced arrangement of the atoms contributes to the overall symmetry of the molecule.

For more such questions on methane visit:

https://brainly.com/question/25207057

#SPJ8

Based on the information below . The atoms of the same element are Atom A and Atom C .

Atoms of same element have the same atomic number. so the number of protons and electron are same but they have different atomic masses called as Isotopes.  so, the atoms having different number of neutron will have different masses.

In the given case ,

Atom A               Atom B             Atom C

8 protons           10 protons        8 protons

8 neutrons         10 neutrons       10 neutrons

8 electrons         10 electrons      8 electrons

so, In Atom A  and Atom C , the number of protons and electrons are same but  the have different atomic masses means having different no. of neutrons. so Atom A and Atom C are the atoms of same elements.

Hence,Based on the information below . The atoms of the same element are Atom A and Atom C.

To learn more about Atoms and Elements here

https://brainly.com/question/15173445

#SPJ1

There are approximately 6.022 × 10^23 atoms in 12 grams of Carbon-12 (12C).

The number of atoms in a given amount of a substance can be calculated using Avogadro's number, which represents the number of atoms or molecules in one mole of a substance. Avogadro's number is approximately 6.022 × 10^23.

Carbon-12 is a specific isotope of carbon, with an atomic mass of 12 atomic mass units (amu). One mole of Carbon-12 has a mass of 12 grams. Since one mole of any substance contains Avogadro's number of particles, in the case of Carbon-12, it contains 6.022 × 10^23 atoms.

Therefore, if we have 12 grams of Carbon-12, which is equal to one mole, we can conclude that there are approximately 6.022 × 10^23 atoms in this amount of Carbon-12.

In summary, 12 grams of Carbon-12 contains approximately 6.022 × 10^23 atoms. Avogadro's number allows us to relate the mass of a substance to the number of atoms or molecules it contains, providing a fundamental concept in chemistry and enabling us to quantify and understand the microscopic world of atoms and molecules.

for such more questions on atoms

https://brainly.com/question/6258301

#SPJ8

Answer:

Option B is correct.

Explanation:

Distance refers to the distance traveled by a body.

Hope it will help you.

We can use the relation between moles and number of molecules to find out how many hydrogen gas molecules (H2) were produced:

In this case, 0.5 moles of H2 were produced, so we can set the following proportion:

So, we have produced 3x10^23 molecules of hydrogen gas.

The rock sample on the left is basalt, a type of igneous rock. Heat and intense pressure changed the basalt into blueschist, a type of metamorphic rock glaucophane schist

Blueschist facies is determined by the particular temprature and pressure condition required to metamorphose basalt to form blueschist and felsic rock and pelitic sediment which are subjected to blueschist facies condition will form different mineral assemblages then metamorphosed and blueschist facies rock are generally formed in subduction zones where oceanic crust is being stuffed into a trench that will become true blueschist once they were pressure cooked and also called glaucophane schist and is a metavolcanic rock that with similar composition at high pressure and low temprature

Know more about rock

https://brainly.com/question/12586610

#SPJ1

Answer:

Neil Bohr

Explanation:

Thank me latur✊

Answer:

1.false

2.true

3.true

4.true

5.false

6.false

7.false

8.true

9.false

10.true

Explanation:

I took the test

Answer:

1. C

2. D

Explanation:

Answer:

1. SOCl2/pyridine

2. NH3

3. LiAlH4

4. H2O

Explanation:

In the conversion of  (S)-3-methyl-3-phenylpentanoic acid to (5)-3-methyl-3-phenylpentanamine, SOCl2/pyridine is first added to the  (S)-3-methyl-3-phenylpentanoic acid

This is then followed by the addition of NH3 is subsequently added followed by reduction using LiAlH4 which reduces the carbonyl carbon to an alkane. addition of water completes the mechanism and leads to the formation of the product.

Answer:

Its D and E

Explanation:

i took the test and the other guy who answered gave u half of the answer

hope this helps

pls mark brainliest

The information which can be inferred about the Sun according to the graph include:

This is defined as a pictorial representation of data in an organized manner.

From the graph, we can infer that the Sun has an intermediate temperature and is less brighter than most stars.

Read more about Stars here https://brainly.com/question/21379923

answer

4.64 9 x 8 times

expo

Answer:

7

Explanation:

Should be A: 40 C water

Explanation:

Adding a catalyst will not cause the equilibrium of the reaction to shift towards the products.

A catalyst is a substance that speeds up the rate of a chemical reaction without being consumed in the reaction. It does not affect the position of the equilibrium or the relative amounts of reactants and products at equilibrium.

In the given reaction, Si(s) + 2Cl₂(g) + heat ↔ SiCl₄(g), the forward reaction is exothermic, which means it releases heat. According to Le Chatelier's principle, an increase in temperature will shift the equilibrium towards the reactants side in order to counteract the increase in heat. Therefore, increasing the temperature will shift the equilibrium towards the left, reducing the yield of silicon tetrachloride.

Increasing the pressure of the system will also shift the equilibrium towards the side with fewer gas molecules, which is the products side. In this case, increasing the pressure will shift the equilibrium towards the products, increasing the yield of silicon tetrachloride.

Increasing the mass of both reactants and products by 20% will not affect the position of the equilibrium either, as it does not change the ratio of the concentrations of the reactants and products.

To learn more about equilibrium of the reaction, here

https://brainly.com/question/15118952

#SPJ1

Answer:

75 watts

Explanation:

Answer:

97.7 L

I found the answer on some website and I got it right after turning it in.

A. Balance B is more accurate.

B. Balance A is more precise.

To determine which balance is more accurate and which one is more precise, let's analyze the data provided:

A. Accuracy:

To assess accuracy, we need to compare the average measurements from each balance to the true value, which is 5.00 g.

For Balance A:

Average weight measured = (4.2 g + 4.1 g + 4.3 g + 4.2 g) / 4 = 16.8 g / 4 = 4.2 g

For Balance B:

Average weight measured = (5.1 g + 4.9 g + 4.7 g + 5.2 g) / 4 = 20.9 g / 4 = 5.225 g

Comparing the averages to the true value:

Accuracy of Balance A = |4.2 g - 5.00 g| = 0.8 g

Accuracy of Balance B = |5.225 g - 5.00 g| = 0.225 g

Since the accuracy is determined by the difference between the measured values and the true value, Balance B is more accurate as it has a smaller difference.

B. Precision:

Precision refers to how close the measured values are to each other. To assess precision, we can calculate the standard deviation of the measurements from each balance.

For Balance A:

Standard deviation = \(\sqrt([ (4.2 g - 4.2 g)^{2} + (4.1 g - 4.2 g)^{2} + (4.3 g - 4.2 g)^{2} + (4.2 g - 4.2 g)^{2}]/4)\)

Standard deviation = \(\sqrt([0 + (-0.1)^{2} + 0.1^{2} + 0]/4)\) = \(\sqrt(0.02 / 4)\)

= \(\sqrt(0.005)\) ≈ 0.071 g

For Balance B:

Standard deviation = \(\sqrt([ (5.1 g - 5.225 g)^{2} + (4.9 g - 5.225 g)^{2} + 4.7 g - 5.225 g)^{2} + (5.2 g - 5.225 g)^{2}] / 4)\)

Standard deviation = \(\sqrt([0.075 ^{2} + (-0.325)^{2}) + (-0.525)^{2} + (-0.025)^{2}] / 4)\)

≈ 0.213 g

Comparing the standard deviations:

Precision of Balance A ≈ 0.071 g

Precision of Balance B ≈ 0.213 g

Since precision is determined by the spread or variability of the measured values, Balance A is more precise as it has a smaller standard deviation, indicating less variation in the measurements.

The question was incomplete. find the full content below:

A student is weighing a standard 5.00-g weight four times on two different balances to check them for accuracy and precision. The following table shows the data:

Trial - 1,2,3,4

Balance A - 4.2 g, 4.1  g, 4.3 g, 4.2 g

Balance B - 5.1 g, 4.9  g, 4.7 g, 5.2 g

A. Which of the balances is more accurate?

B. Which is more precise?

Know more about standard deviation here:

https://brainly.com/question/30403900

#SPJ8

Answer:

compounds, on the other hands can have their bonds broken with practical amounts of energy, such as the heat from a fire. Matter can be broken down into two.