How many moles of hydrogen atoms are contained in one mole of C6H12?

190 milliliters is the volume of a 0.92M nickel(II) chloride solution that contains 175 mmol of nickel(II) chloride (NiCI₂).

Molarity (M) is defined as the number of moles of solute dissolved in 1L of solution. Molarity is also known as Molar Concentration. The S.I unit of Molarity is molar (M) or mol/L.

Molarity = [tex]\frac{\text{Number of moles}}{\text{Volume of solution (in L)}}[/tex]

Moles of nickel(II) chloride = 175 mmol

Molarity of the nickel(II) chloride = 0.92 M

Convert mmol into mol

1 milimol = 0.001 mol

175 mmol = 0.175 mol

Now put the value in above formula to find the volume of solution

Molarity = [tex]\frac{\text{Number of moles}}{\text{Volume of solution (in L)}}[/tex]

[tex]0.92\ M = \frac{0.175\ mol}{\text{Volume of solution}}[/tex]

Volume of solution = [tex]\frac{0.175\ mol}{0.92\ M}[/tex]

Volume of solution = 0.1902 L

Convert L into mL

1 L = 1000 mL

0.1902 L = 0.1902 × 1000 mL

              =  190.2 mL

              ≈ 190 mL

Thus from the above conclusion we can say that 190 milliliters is the volume of a 0.92M nickel(II) chloride solution that contains 175 mmol of nickel(II) chloride (NiCI₂).

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Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: Calculate the volume in milliliters of a 0.92M nickel(II) chloride solution that contains 175 mmol of nickel(II) chloride (NiCI₂). Round your answer to significant digits.

Answer:

valeric acid

Explanation:

I don't know exactly. But try this one.

Answer:

IUPAC NAME: PENTANOIC ACID

COMMON NAME: VALERIC ACID

The correct option is:

The latent heat of vaporization of water is given by option D. 22,590J

Latent heat of vaporization:

Latent heat of vaporization is energy required to change 1 kg of liquid to gas at atmospheric pressure at its boiling point.

Also, Latent heat is the energy released or absorbed during a phase change.

Energy released during phase change is Exothermic process.

Whereas energy absorbed during phase change is Endothermic process.

Q=mL

Q= Latent heat

m= mass= 10 g

L= Latent heat of vaporization= 2,259 J/g

Putting the values in the above equation:

Q=10*2259

Q=22590 L

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Answer:

101325 pascal

Explanation:

i dont cap

Answer:

See below

Explanation:

1 atmosphere = 101 325 Pascals = 760 mm Hg = 14.6959 psi

Answer:

cooking an egg

Explanation:

Hope it works

Answer:

An endothermic reaction is a reaction where heat is taken in from the surroundings. This could be in the process of vaporisation from liquid to gas. However an exothermic reaction is when heat is given out to the surroundings. An example of this would be condensation gas to liquid!

Explanation:

∆H of a reaction is positive

The molecular formula is C9H24O6

Given the Mass of C = 47.37g ,Mass of H = 10.59g and Mass of O = 42.04g

The total mass of these elements is 100g, taking a proportion of their molar masses.

C = 47.37/12= 3.95

H = 10.59/1 = 10.59

O = 42.04/16= 2.63.

Dividing with the smallest proportion which is 2.63

C=3.95/2.63 = 1.5

H =10.59/2.63 =4

O = 2.63/2.63= 1

Multiplying by 2 to get a whole number.

C = 1.5x2 = 3

H= 4x2 = 8

O = 1x2= 2

The empirical formula is C3H6O2

(Empirical formula)n= molecular mass

(C3H8O2)n =228.276

(12x3 +8+16x2)n= 228.276

76n = 228.276

n = 228.276/76

n = 3

Molecular formula = (Empirical formula)n

= (C3H8O2)3 = C9H24O6

The molecular formula is C9H24O6

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An electron can be added to halogen atom to force a halide ion with 8 valence electrons

An atom can be defined as the smallest part of an element which can take part in a chemical reaction.

However whenever, an electron is added to halogen atom to force a halide ion with 8 different valence electrons

So therefore; an electron can be added to halogen atom to force a halide ion with 8 valence electrons

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What is Solidification?

The process by which liquid metals turn into tiny solid particles at the phase boundary temperature is known as solidification or freezing.

How does solidification occur?

Solidification occurs when a liquid's temperature is reduced below its freezing point. Although the freezing point and melting point of the majority of materials are the same temperatures, this is not always the case and the words freezing point and melting point are not synonymous.

When a liquid turns into a solid, the process is always exothermic, which means heat is released.

Based on casting technology, solidification is a key component of several other processes, such as crystal growth, welding, surface alloying, the manufacturing of ingots, and the purification and refinement of raw materials. It is a crucial step in the technology of metals, as well as ceramics and polymers.

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The molecular formula for the compound is [tex]C_{4} H_{8}[/tex] .

% of C = 79.85%

% of H = 20.15%

Let the mass of the compound be 100g, then

Mass of C = 70.85 g

Mass of H = 20.15 g

Molar mass = 60.15 g/mol

Moles of Carbon = [tex]\frac{79.85}{12.01 g/mol}[/tex]

                             = [tex]6.64 mol[/tex]

Moles of Hydrogen = [tex]\frac{20.15}{1.00794 g/mol}[/tex]

                                 = [tex]19.99 mol[/tex]

And we divide both sides by the lower quantity;

[tex]C_{\frac{6.64 mol}{6.64 mol} } H_{\frac{19.99 mol}{6.64 mol} }[/tex] ≅ CH₂

And [tex](empirical formula)_{n} = molecular formula[/tex]

60.15 g/mol = n × ( 12.01 + 2 × 1.00794)

n = 4

Therefore, the molecular formula for the compound is [tex]C_{4} H_{8}[/tex] .

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The bond dissociation energy of the Cl - Cl bond is -958 kJ mol^-1.

Given that;

H-H bond energy =  435 kJ mol^-1

H-Cl bond energy = 431 kJ mol^-1

ΔHfO of HCL(g) = -92kJ mol^-1

Bond dissociation enthalpy of the Cl-Cl bond = x

-92 = 435  +  431 + x

x = -92 - (435  +  431)

x = -958 kJ mol^-1

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-log(1.2x10^-3) = 2.92 = pH

14 - 2.92 = 11.08 = pOH

socratic

studycom

If the flask already has water, your measure is going to be higher than expected and MW is going to be higher too.

At first sight, we need to assume 1 atm as atmospheric pressure, probably forgot to write down this value in the Lab. By doing this, we got all values to calculate the MW.

So, for trial 1:

MW = [0.36 g x (0.082 atm x L / K x mol) x 301 K] / (1 atm x 0.125 L) = 71.08 g/mol

Trial 2:

MW = [0.38 g x (0.082 atm x L / K x mol) x 301 K] / (1 atm x 0.125 L) = 75.53 g/mol

Average MW = 73.31 g/mol

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Answer:

Aluminium metal reacts vigorously with all the halogens to form aluminium halides. So it reacts with chlorine, bromine, and iodine.

If an electron in an atom gains energy to go from a lower energy level to a higher energy level, it is called Excited energy state.

Ground state energy: The lowest energy state for an electron is called its ground state, which is the energy level it typically resides in. Each electron has a limit on how much energy it can have while still remaining a part of its atom. It is the most stable state of electron.

Excited state energy: An electron is in an excited state when it momentarily possesses an energy state higher than its ground state. If an electron receives additional energy, such as when it absorbs a photon, or packet, of light, or collides with an adjacent atom or particle, it can become excited. As these excited state energy level are unstable. So while coming back to ground state electrons emit radiations suitable wavelength.

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Antiseptics is a chemical germicides that has been formulated for use on the skin and is registered and regulated by the food and drug administration.

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The explanation of the how the various concentrations of acid will affect the amount of limestone has been given below.

Effects of acid rain on limestone:-

Thus we discussed the affects of acid rain on limestones above.

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The collision theory explains this outcome since when the reaction is complete reactant particles can not interact and therefore the reaction does not occur.

The collision theory is a well sustained theory used in chemistry that states reactions are caused by the collision of particles that form their molecules.

This theory (collision theory) may result very useful to explain the rate of change in a given chemical reaction.

In conclusion, the collision theory explains this outcome since when the reaction is complete reactant particles can not interact and therefore the reaction does not occur.

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The formula of the compound is [tex]$\mathrm{Cr}_{2} \mathrm{~S}_{3} \mathrm{O}_{12}$[/tex]

Salmon colored powder = 2.65 g

Chromium = 0.70 g

Sulfur = 0.65 g

Oxygen = 1.30 g

Molar mass = 392.2

Molar mass = gram / moles

Molar mass of chromium

= 0.70 / 0.0135

= 52

Molar mass of salmon

= 0.65 / 0.0203

= 32.06

Molar mass of oxygen

= 1.30 / 0.0813

= 16

Molecular formula = 392.2 / (Cr + 3 S + 12 O)

                              = 392.2 / (52.00 + (3 x 32.06 + 12 x 16.00) ≈ 1

So, The formula of the compound is [tex]$\mathrm{Cr}_{2} \mathrm{~S}_{3} \mathrm{O}_{12}$[/tex]

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C₂H₆O is referred to the chemical formula corresponds to this structural formula and is denoted as option D.

This contains information about the chemical proportion of atoms present in a molecule.

In this scenario, there are two carbon atoms, six hydrogen atoms and one oxygen atom which can be written as C₂H₆O. This is therefore the most appropriate choice in this scenario.

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Answer: D.) C6H14

Explanation: i hope this helps (this is for another question you might have tho) :)

110ml of the 40% alcohol mixture and pure water will  need to obtain the desired solution

Given that 0.30 * 440 = 132 mL of pure alcohol needed

132 mL = 0.40 * x mL of 0.4

x = 330 mL of 70%

440 - 330 = 110 mL of H2O

Water content differs

If you have 440 mL of a 30% alcohol mixture, then (440mL)*(0.30) = 132mL of that solution is alcohol.

Similarly, if you have x mL of a 40% alcohol mixture, then (x mL)(0.40) = 0.40x mL of that solution is alcohol.

When you combine these two liquids, you will have (440 + x) mL of liquid and you want it to be 40% alcohol.

Hence  110ml of the 40% alcohol mixture and pure water will  need to obtain the desired solution

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Answer:

1.2 V

Explanation:

10 g helium = 2.5 moles He

10 g Neon = ~ .5 mole neon

2.5 is to V as   (2.5 + .5) is to x

2.5 / V = 3/x

2.5 x = 3 V

x = 3/2.5 V = 1 1/5 V

Avogadro's Law (P,T constant)

[tex]\tt \dfrac{V_1}{n_1}=\dfrac{V_2}{n_2}[/tex]

n = mol

V = volume

AM He = 4 u, mol = 10 : 4 = 2.5

AM Ne = 20 u, mol = 10 : 20 = 0.5

[tex]\tt \dfrac{V}{2.5}=\dfrac{V_2}{2.5+0.5}\\\\V_2=\boxed{\bold{1.2V}}[/tex]

The sentences describe the logistic growth model is when a population size reaches the carrying capacity of its environment, the population growth slows down or stops completely.

Logistic or sigmoidal growth involves exponential population growth followed by a steady reduction in population growth until the population size stabilizes, assuming an S-shaped curve.

In this case, we can say this affirmation is true for the S-curve, but not the J-curve.

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The decay constant (in per sec) is  1.79* 10^ -9/sec

The rate of decay is 8.94 x 1010 nuclei/s. The number of nuclei in the sample is

The rate equation is rate = kNt. Solve for k.

An exponential function has a variable exponent, a positive base, and a base that is not equal to one.

For instance, F (x) = 4x is an exponential function since the exponent is set rather than variable.

Instead of being an exponential function, f (x) = x3 is a fundamental polynomial function.

The graphs of exponential functions are continuously curved and never reach a horizontal asymptote.

Several real-world phenomena are governed by exponential or logarithmic functions.

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Answer:

Fossil fuels contribute to greenhouse gases, which is one of their major disadvantages. The most harmful for the environment is coal because it has many more harmful combustion products than other fossil fuels.

Answer:

5.01 x 10^-12

Explanation:

Formula [H+]=10^-ph 》》 10^-11.2

-Hope this helps!!

1. The volume of ammonia consumed in the reaction is 23.2 L

2. The volume of oxygen consumed in the reaction is 29 L

4NH₃(g) + 5O₂(g) --> 4NO(g) + 6H₂O(g)

From the balanced equation above,

6 L of H₂O were produced from 4 L of NH₃ and 5 L of O₂

From the balanced equation above,

6 L of H₂O were produced from 4 L of NH₃

Therefore,

34.8 L of H₂O will be produced from = (34.8 × 4) / 6 = 23.2 L of NH₃

Thus, 23.2 L of NH₃ were consumed

From the balanced equation above,

6 L of H₂O were produced from 5 L of O₂

Therefore,

34.8 L of H₂O will be produced from = (34.8 × 5) / 6 = 29 L of O₂

Thus, 29 L of O₂ were consumed

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Answer:

B. Optical

Explanation:

First, let's go through what isomerism is. Isomerism is the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism), as CH3OCH3 and CH3CH2OH, or in the arrangement of their atoms in space and therefore in one or more properties.  There are 5 types of structural isomerism. They are chain isomerism, position isomerism, functional group isomerism, metamerism, and tautomerism. This would mean that these types of structural isomerism that are in the options would be eliminated as the question ask which of the "following" is not a type of structural isomerism. This would leave the only option available which is Option B. Optical Isomerism. So instead of being a structural isomerism, it is a type of stereoisomerism. Stereoisomerism is the arrangement of atoms in molecules whose connectivity remains the same but their arrangement in space is different in each isomer.

Therefore, the answer is Option B. Optical.

The mass of CoCl₂ is 6.515 g.

Given,

Molarity of the solute (CoCl₂) = 0.674 M

Volume of solution = 0.0750 L

Molecular weight of solute (CoCl₂) = 128.9 g/mol

Molarity formula is used to solve this question.

Molarity is defined as the number of moles of solute per liter of solution.

                     [tex]Molarity = \frac{number of moles }{volume (in L)}[/tex]             .......(i)

We know that,

            [tex]number of moles = \frac{weight of given solute }{molecular mass if the solute}[/tex]             ........(ii)

Put the above values in equation (i)

                       [tex]0.674 = \frac{number of moles}{0.0750}[/tex]

                   [tex]number of moles = 0.674 (0.0750)[/tex]

                   [tex]number of moles = 0.05055[/tex]

Put the number of moles in equation (ii)

                       [tex]0.05055 = \frac{weight of given solute}{128.9}[/tex]

                [tex]weight of given solute = 0.05055 (128.9)[/tex]

                [tex]weight of given solute = 6.515 g[/tex]

Therefore, 6.515 g of CoCl₂ is needed.

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