Give all possible ml values for orbitals that have each of the following:
(c) n = 4, l = 3.

Answer:

You use the fact that 1 mole of any substance contains exactly 6.022⋅1023 atoms or molecules of that substance - this is known as Avogadro's number. In your case, 1 mole of gold will have exactly 6.022⋅1023 atoms of gold.

Explanation:

The negative charge on each oxygen of the carbonate ion is -0.67 among the given options.

In this problem, when we look at the carbonate ion, firstly we need to look at how much negative charge is carried on the oxygen. Carbonate ion, (CO₃)²⁻ has two negative charges and there are three oxygen. So, -0.67 is the charge on each oxygen of carbonate ion.

Since, there are three oxygen in a carbonate ion, charge is divided as -

                   O                   O⁻                 O                  O⁻

                   ║                    |                    ║                   |

                   C          ↔      C        ↔       C     →          C

                 /    \                /    \\              /    \              /   \

              ⁻O     O⁻       ⁻ O     O         ⁻O    O⁻       ⁻O    O⁻

Negative charge for each oxygen will be -

-2/3, because two negative charges are divided by 3 oxygen.

Therefore, negative charge on each oxygen = -2/3 = -0.67

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Answer:

12CO₂ + 12H₂O ⇒ C₁₂H₂₄O₁₂ + 12O₂

Explanation:

Make sure to have the same amount of reactants and products on both sides of the equation. Just takes practice

Answer:

h

Explanation:

get into

Answer:

The balanced equation is: H2 (g) +Cl2 (g) →2HCl (g)

Explanation:

Balancing chemical equation refers to balancing the stoichiometric coefficients on the reactants and products side. This must be done as the chemical equation obeys the law of conservation of mass and momentum.

The representation of a chemical reaction in the form of substances is known as a chemical equation. The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation. The Law of conservation of mass governs the balancing of a chemical equation.

Given chemical equation

The balanced chemical equation for the hydrogen + chlorine -> Hydrogen Chloride.

H2 + Cl2 → 2HCl

The equation is balanced as on the reactants side there are two hydrogens present and the same on the products side. For chlorine as well the same thing goes two chlorine atoms on the reactants side and two on the products side.

Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

\(n = \frac{N}{L} \\ \)

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

\(n = \frac{1.00 \times {10}^{25} }{6.02 \times {10}^{23} } \\ = 16.6112956...\)

We have the final answer as

Hope this helps you

The steps to make chocolate so that it does not melt on my hands are: heat the chocolate up to 120 degree fahrenheit and then after removing the bowl cool down it below 80 degree fahrenheit.

The main reasons to temper chocolate are:

1. Tempered chocolate is firm and solid in nature at room temperature. This is critical when making the chocolate confections or decorations. Chocolate which is out of temper requires refrigeration to maintain its shape.

2. The appearance of tempered chocolate is much better than that of its un-tempered counterpart. Tempered chocolate is smooth in nature , shiny and evenly colored.

3. Chocolate that is not been tempered has a distinctly dull appearance and may develop fat bloom -- grayish-white spots on the surface of the chocolate where unstable beta crystals have gathered.

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The partial pressure of carbon monoxide is 0.24 atm.

The partial pressure of a gas in a mixture of gases is equal to the mole fraction of the gas multiplied by the total pressure of the mixture. The mole fraction of a gas in a mixture is equal to the number of moles of the gas divided by the total number of moles of all the gases in the mixture.

So, the steps to find the partial pressure of carbon monoxide are as follows:

Step 1: Find the total number of moles of all the gases in the mixture.

Number of moles of carbon dioxide = 0.60 mol

Number of moles of carbon monoxide = 0.30 mol

Number of moles of water vapor = 0.10 mol

Total number of moles of all the gases = 0.60 + 0.30 + 0.10 = 1.00 mol

Step 2: Find the mole fraction of carbon monoxide.

Mole fraction of carbon monoxide = Number of moles of carbon monoxide / Total number of moles of all the gases = 0.30 / 1.00= 0.30

Step 3: Find the partial pressure of carbon monoxide.

Partial pressure of carbon monoxide = Mole fraction of carbon monoxide × Total pressure of the mixture= 0.30 × 0.80= 0.24 atm

Therefore, the partial pressure of carbon monoxide is 0.24 atm.

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The binding energy of silver-109 (Ag-109) in kJ/mol nucleons is not a well-defined concept, as binding energy is typically calculated for atomic nuclei rather than individual isotopes.

The binding energy of an atomic nucleus is the energy required to completely separate all of its constituent protons and neutrons into individual particles. It is usually expressed in units of energy per nucleon, which is the energy required to separate one proton or neutron from the nucleus.

The average binding energy per nucleon for an atomic nucleus is typically highest for medium-mass nuclei, such as those found in the region of the so-called "valley of stability" on the nuclear chart.

The binding energy per nucleon for silver-109 is not likely to be particularly high, as silver is a relatively heavy element and the binding energy per nucleon tends to decrease with increasing atomic number (Z).

Without more information about the specific calculation being used to determine the binding energy of Ag-109, it is not possible to accurately provide a value for the binding energy in kJ/mol nucleons.

The required masses (g/mol) are also not specified in the question, so it is not clear what context these values might be used in.

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Answer:

17.1L

Explanation:

use ideal gas law

PV=nRT

101.325x = 0.7 x 8.314 x 298.15

^
Solve for x

X = 17.12424525 ~~ 17.1L

Answer:

17.11 L

Explanation:

The molar volume of a gas at room temperature (25°C) and pressure (1 atm) is 24.45 L/mol.

0.1 mole of propane reacts with oxygen to form 0.1 x 3 = 0.3 mole of carbon dioxide and 0.1 x 4 = 0.4 mole of water vapor.

The total volume of the gaseous products is 0.3 + 0.4 = 0.7 mole of gas.

Therefore, the volume of gaseous products obtained from the complete combustion of 0.1 mole of propane is 0.7 x 24.45 L/mol = 17.11 L.

Car B and E are speeding up, while car C is slowing down.

Velocity is the directional speed of a object in motion as an indication of its rate of change in position as observed from a particular frame of reference.

Step-by-step explanation :

Acceleration (a) is the rate of change of velocity with time.

It is calculated by dividing the change in velocity (Δv) with the time taken for the change to occur.

In this question , the time is 10 sec in all cases.

We can divide the velocity in km/h by 3.6 to convert to m/s

In Car A

Δv = 8.33-8.33 = 0m/s

t = 10s

a = 0 m/s² ⇒car is moving with same speed and in the same direction

Car B

Δv = 5.55-0 = 5.55

t = 10

a = 5.55 / 10 = 0.555 m/s² ⇒car is speeding up

Car C

Δv = 0 - 8.33 = -8.33 m/s

t = 10

a = - 8.33/10 = -0.833 m/s² ⇒car is slowing down

Car D

Δv = 0-0 = 0

t = 10s

a = 0/10 = 0 m/s² ⇒car is at rest

Car E

Δv = 8.33 - 5.55 = 2.78

t = 10

a = 2.78/10 = 0.278 m/s²⇒car is speeding up

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The average accelerations of the five vehicles:

Dimensionally speaking, acceleration is velocity (v), in kilometers per hour, divided by time (t), in hours. The average acceleration (\(\bar {a}\)), in kilometers per square hour, is equal to the difference between the starting and ending velocities (\(v_{o}\), \(v_{f}\)) divided by time (\(\Delta t\)):

\(\bar {a} = \frac{v_{f}-v_{o}}{\Delta t}\)      (1)

Now we proceed to calculate the average accelerations of the different cars:

Car A

\(\bar {a} = \frac{30\,\frac{km}{h} - 30 \,\frac{km}{h} }{\frac{10}{3600}\,h }\)

\(\bar {a} = 0\,\frac{km}{h^{2}}\)

Car B

\(\bar {a} = \frac{20\,\frac{km}{h}-0\,\frac{km}{h}}{\frac{10}{3600}\,h }\)

\(\bar {a} = 7200\,\frac{km}{h^{2}}\)

Car C

\(\bar {a} = \frac{0 \,\frac{km}{h} - 30\,\frac{km}{h} }{\frac{10}{3600}\,h }\)

\(\bar {a} = -10800\,\frac{km}{h^{2}}\)

Car D

\(\bar {a} = \frac{0\,\frac{km}{h} - 0\,\frac{km}{h} }{\frac{10}{3600}\,h }\)

\(\bar {a} = 0\,\frac{km}{h^{2}}\)

Car E

\(\bar {a} = \frac{30\,\frac{km}{h}-20\,\frac{km}{h}}{\frac{10}{3600}\,h }\)

\(\bar{a} = 3600\,\frac{km}{h^{2}}\)

Select the correct locations on the table. The table shows the changes in velocity for several different cars. Each change takes place over a 10-second interval. Which cars are either speeding up or slowing down?

                                              Car A   Car B    Car C    Car D
Starting velocity (km/h)          30          0         30          20

Ending velocity (km/h)            30         20         0           30

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The number of constitutional isomers that have the molecular formula C6H14 is nine (9).

An isomer is a type of chemical compound in which the same atoms are arranged in different ways, resulting in different physical and chemical properties. To figure out how many constitutional isomers there are for a given formula, follow these steps:1. Begin by drawing the structural formula for the compound with the fewest substituents possible.

2. Begin to add or remove substituents from the central carbon atoms, making sure to follow the octet rule.3. Keep track of each isomer and make sure you don't duplicate any structures.4. Determine the total number of unique isomers. Here are the nine (9) constitutional isomers of C6H14 :CH3(CH2)4CH3(CH3)2CH(CH2)3CH3CH3CH2(CH2)3CH3CH3CHCH2(CH2)2CH3CH3CH2CH(CH3)CH2CH3CH3C(CH3)2(CH2)2CH3(CH3)2C(CH3)CH2CH3

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When warming temperatures gradually melt sea ice over time, fewer bright surfaces are available to reflect sunlight back into the atmosphere. More solar energy is absorbed at the surface and ocean temperatures rise. This begins a cycle of warming and melting. Warmer water temperatures delay ice growth in the fall and winter, and the ice melts faster the following spring, exposing dark ocean waters for a longer period the following summer.

Changes in the amount of sea ice can disrupt normal ocean circulation, thereby leading to changes in global climate. Even a small increase in temperature can lead to greater warming over time, making the polar regions the most sensitive areas to climate change on Earth.

Hope this helped

Peace ️

Answer:

Alias: Manganic Nitrate. Formula: Mn(NO3)3. Molar Mass: 240.9527. :: Chemistry Applications:: Chemical Elements, Periodic Table. its on google

Answer:red super giant

Explanation:

just look off the sides

The negatively charged atoms are known to show the electron affinity. Hydrogen is more reactive than oganesson based on electron affinity.

The amount of energy released when an electron is added to a neutral atom to create a negatively charged ion is known as electron affinity in chemistry.

Due to the difficulty in determining atoms' electron affinities, values are only known for a small number of chemical elements, primarily halogens.

Similar towards how chlorine can achieve the configuration of noble gases and become an electronegative ion, hydrogen has a high attraction for electrons, becoming the hydrogen anion and obtaining the stable configuration of helium.

The first synthetic element to belong to group 18 (the noble gases), oganesson has the potential to be substantially more reactive than the other members of that group.

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Answer:

1.4 L.

Explanation:

Applying Charles law,

V/T = V'/T'....................... Equation 1

Where V = Initial volume, V' = Final volume, T = Initial Temperature in Kelvin, T' = Final Temperature in Kelvin.

Make V' the subject of the equation

V' = (V/T)T'..................... Euqation 2

Given: V = 1.5 L, T = 295 K, T' = 2 °C = (2+273) K = 275 K

Substitute these values into equation 2

V' = (1.5/295)275

V' = 1.398

V' ≈ 1.4 L

Answer:

Potential energy

Explanation:

A candy bar has carbs, sugars, and calories which are potentially going to be used as energy in a body.  

Answer:

B. Potential

Explanation:

Because the candy bar is sitting still.

The name of the electrochemical cell component that produces cations (or oxidizes anions), creating an excess positive charge is anode.

An electrochemical cell is a device that transforms chemical energy into electrical energy through a redox reaction.

An electrochemical cell consists of two different electrodes, one anode (which oxidizes the oxidizable substance) and one cathode (which reduces the reducible substance), which are linked by an electrolyte.

The name of the electrochemical cell component that produces cations (or oxidizes anions), creating an excess positive charge is anode.

The anode is the electrode that receives the electron flow and oxidizes or loses electrons in the redox reaction. The positive ions (cations) are formed at the anode as a result of oxidation.

Thus, the anode is responsible for producing electrons in the electrochemical cell.

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We can apply the formula q=nH fusion, where q is the reaction's entire amount of energy! The conventional molar enthalpy of reaction is an additional option.

Enthalpy Meaning. The following describes enthalpy: H = E + PV. The internal energy, stress, & volume are combined to produce the enthalpy.. A system's enthalpy cannot be measured, but enthalpy changes can be observed.

Normally, to perform the calculation, you would only figure out how much heat was produced or absorbed in your specific reaction, and then scale it up to yield an enthalpy change per mole. Chapter 5 of my book on chemistry calculations contains examples of this.

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Answer:

metalloid

Explanation:

The correct answer is D) substitution of H with X occurred with inversion of stereochemistry.

In radical halogenation, when a chiral center is generated, the substitution of a hydrogen atom with a halogen atom (X) occurs via a radical intermediate. Radical reactions typically proceed via a planar intermediate, allowing for free rotation around the carbon-halogen bond. This unrestricted rotation results in the inversion of stereochemistry at the chiral center.

As a result, when a chiral center is formed via radical halogenation, both enantiomers (R and S configurations) are generated in equal amounts, leading to a racemic mixture. Therefore, option D is the correct choice.

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Answer:

Model 2 and model 3

Explanation:

Both atomic models represent hydrogen, which consists of one proton in the nucleus. Both atomic models consists of 1 proton, which means that both their atomic numbers are equal to 1

Answer:

Land is considered as an important resource as it provides habitation to a wide variety of flora and fauna. It is also used by human beings for various purposes such as agriculture, forestry, mining, building houses and roads, and setting up industries.

Taking into account the Charles' law, the temperature of the gas if the volume drops to 75.0 L is 246 K or -27 C.

Charles' law establishes the relationship between the temperature and the volume of a gas when the pressure is constant. This law says that for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases. That is, the volume is directly proportional to the temperature of the gas.

Mathematically, Charles' law is a law that says that when the amount of gas and pressure remain constant, the ratio between volume and temperature will always have the same value:

\(\frac{V}{T}=k\)

Considering an initial state 1 and a final state 2, it is fulfilled:

\(\frac{V1}{T1}=\frac{V2}{T2}\)

In this case, you know:

Replacing in Charles's law:

\(\frac{100 L}{328 K}=\frac{75 L}{T2}\)

Solving:

\(T2x\frac{100 L}{328 K}=75 L\)

\(T2=\frac{75 L}{\frac{100 L}{328 K}}\)

T2= 246 K= -27 C

Finally, the temperature of the gas if the volume drops to 75.0 L is 246 K or -27 C.

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Answer:

O.2006 M

Explanation:

M1V1 =M2V2

M1 = M2V2/V1 =0.150M*32.1 ml/24.0 ml = 0.2006 M