Answers
To calculate the atoms of an element in a given molecule, we need to multiply stoichiometry by the number that is written on the foot of that element. Therefore, the balanced equation is
CH[tex]_4[/tex]+4S[tex]\rightarrow[/tex]CS[tex]_2[/tex]+2H[tex]_2[/tex]S
What is Balanced equation?Balanced equation is the one in which the total number of atoms of a species on reactant side is equal to the total number of atoms on product side. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, displacement reaction.
The skeletal equation is
CH[tex]_4[/tex]+S[tex]\rightarrow[/tex]CS[tex]_2[/tex]+H[tex]_2[/tex]S
The number of carbon atoms on reactant and product side is 1, so C is balanced.
The number of hydrogen atoms on reactant side is 4 while on product side it is 2, so to balance we need to multiply H[tex]_2[/tex]S by 2.
CH[tex]_4[/tex]+S[tex]\rightarrow[/tex]CS[tex]_2[/tex]+2H[tex]_2[/tex]S
The number of sulfur atoms on reactant side is 1 while on product side it is 4, so to balance we need to multiply S by 4.
CH[tex]_4[/tex]+4S[tex]\rightarrow[/tex]CS[tex]_2[/tex]+2H[tex]_2[/tex]S
Therefore, the balanced equation is
CH[tex]_4[/tex]+4S[tex]\rightarrow[/tex]CS[tex]_2[/tex]+2H[tex]_2[/tex]S
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Related Questions
Calculate the molar solubility of iron(II) hydroxide, Fe(OH)2, in a solution buffered at a pH of
13.15. The Ksp of Fe(OH)2 is 1.6 × 10−14.
Answers
The solubility of solute in a solution can be find out from the solubility constant Ksp and molar concentrations. The solubility of iron hydroxide in the solution is 3.19 ×10 ⁻¹⁶ M.
What is solubility?Solubility of substance is the fraction of its concentration which dissolves in a solvent at a specific temperature. The solubility constant Ksp is the product of molar concentrations of the ions in the solute.
It is given that the pH of the solution is 13.15. Thus, pOH = 14 -13.15 = 0.85.
[OH-] = Antilog (pOH) = antilog (0.85)
= 7.07 M.
The solute Fe(OH)₂ dissociates into Fe²⁺ ion and 2 OH- ions. Let s be the solubility of one mole of ion. Thus [Fe²⁺] = s. Then, the Ksp can be written as follows:
Ksp = [Fe²⁺] [OH-]²
1.6 × 10⁻¹⁴ = s × [7.07 M]²
s = 1.6 × 10⁻¹⁴/[7.07 M]²
= 3.19 ×10 ⁻¹⁶ M.
Therefore, the molar solubility of iron(II) hydroxide in the given solution is 3.19 ×10 ⁻¹⁶ M.
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A 191 mL sample of a 1.3 M sucrose solution is diluted to 500 mL.
▼ Part A
What is the molarity of the diluted solution?
Answers
According to the given statement 0.49 M is the molarity of the diluted solution.
How do we calculate molarity?Molarity (M), which is calculated by dividing the solute's weight in moles by the the solution's volume in liters, is the most widely used unit to express solution concentration: litres of solution/moles of solute equals M.
Briefing:Utilizing the dilution law equation
M₁V₁ = M₂V₂
Where
M₁ is the initial molarity
V₁ is the initial volume
M₂ is the final molarity
and V₂ is the final volum
From the given information,
M₁ = 1.3 M
V₁ = 191 mL
V₂ = 500.0 mL
The result of entering the parameters into the formula is
1.3 * 191 = M[tex]_2[/tex] * 500
M[tex]_2[/tex] = 1.3 * 191 / 500
M[tex]_2[/tex] = 248.3/500
M[tex]_2[/tex] = 0.4966 M
M[tex]_2[/tex] ≅ 0.49 M
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The reaction for the combustion of propane is
C3H8+50₂ → 3 CO₂ + 4H₂O
ΔΗ = -526.3 kcal/mol
How much heat is released when 45.9 g of propane is burned?
Answers
Heat is released when 45.9 g of propane is burned is - 547.352 kcal
Given that :
ΔH = - 526.3 kcal/mol
mass = 45.9 g
molar mass = C₃H₈
= 12 × 3 + 8 × 1
= 44 g / mol
The reaction is given as :
C₃H₈ + 5O₂ -----> 3CO₂ + 4H₂O
number of moles = mass / molar mass
= 45.8 / 44
= 1.04 mol
ΔH = Q / n
where ,
Q = heat
n = number of moles
Q = ΔH × n
= - 526.3 × 1.04
Q = - 547.352 kcal
Thus, The reaction for the combustion of propane is :
C₃H₈ + 5O₂ -----> 3CO₂ + 4H₂O
Heat is released when 45.9 g of propane is burned is - 547.352 kcal
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How many grams of NCI3
are in 4.00 moles of NC13?
Answers
The mass of NCl3 in 4.00 moles of NCl3 is 481.44 grams
Mole is defined as the amount of the substance containing the same number of discrete entities (atoms, molecules, ions, etc) as there are atoms in a sample of pure 12C weighing exactly 12g. The number of particles present in one mole of any substance =Avogadro Number=6.
The formula for number mole is given as:
Number of moles = Mass of the substance ; Now substituting the values
Molar mass
⇒ 4.00 = x [Molar mass of NCl3 = 120.36]
120.36
⇒ x = 4.00 × 120.36
⇒ x = 481.44 grams
Therefore the mass of NCl3 is 481.44 grams
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The chemical equation below shows reactants and products.
6CO₂ +12H₂O+light + enzymes - C6H12O6 +602 + 6H₂O
Which statement is BEST supported by analyzing this equation?
A. CO, is made from the chemical reaction.
B. No new compounds are made from this reaction.
C. O,, oxygen gas, is needed to make the reaction start.
D. The atoms rearrange in the chemical reaction so that CeHuO.
glucose, is made.
Answers
Option D. The atoms rearrange in the chemical reaction so that glucose is made.
A chemical reaction is a manner in which one or extra substances, the reactants, are transformed into at least one or extra different materials, the goods. materials are both chemical factors or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create one-of-a-kind substances as merchandise.
Examples of chemical reactions in everyday life consist of photosynthesis, rust, baking, digestion, combustion, chemical batteries, fermentation, and washing with soap and water. Chemical reactions arise everywhere in the global around you, now not simply in a chemistry lab.
On the idea of the product fashioned, special forms of reactions are Combustion response, Decomposition response, Neutralization response, Redox response, Precipitation or Double-Displacement reaction, Synthesis response
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A heat lamp produces 26.0 watts of power at a wavelength of 6.0 μm .
How many photons are emitted per second? (1 W=1 J/s.)
Express your answer to three significant figures.
Answers
The number of photons that is emitted per second is 7.9 * 10^18 photons per second.
What is the number of photons emitted?We know that the photons have to do with the particles of light that are in motion. Now, we know that the power that is being produced by the heat lamps have been obtained as 26.0 watts. It is also know that this could be written as 26 J/s.
We now have to find the energy of the photons;
Wavelength of the photons = 6.0 μm or 6 * 10^-6 m
Plank's constant = 6.6 * 10^-34 Js
Speed of light = 3 * 10^-10 m/s
Now, we have
E = 6.6 * 10^-34 * 3 * 10^-10 /6 * 10^-6
E = 3.3 * 10^- 18 J
We have;
26 J/s * 1 photon/ 3.3 * 10^- 18 J
= 7.9 * 10^18 photons per second.
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425 L of chlorine at 32° C will occupy what volume at -15° C while the
pressure remains constant?
502.4 L
185.2 L
O 199.2 L
359.5 L
*
2 points
Answers
According to the solution 359.5 L volume at -15° C while the pressure remains constant.
What kind of force is pressure?The definition of force in physics is The push or pull on a massed object alters its velocity. An external factor is an agent that has the power to alter the resting or moving condition of a thing. It has a path and a magnitude.
Briefing:Initial volume of chlorine gas = 425 L
Initial temperature = 32°C
Final volume = ?
Final temperature = -15°C
Solution
Initial temperature = 32°C (32+273 = 305 K)
Final temperature = -15°C (-15 +273 = 258 K)
The Charles Law will be used to resolve the presented issue.
This equation states that at constant pressure and molecular number, the volume of a given amount of a gas is precisely proportional to its temperature.
V₁/T₁ = V₂/T
V₁ = Initial volume
T₁ = Initial temperature
V₂ = Final volume
T₂ = Final temperature
We will now enter the values into the formula.
V₁/T₁ = V₂/T₂
V₂ = V₁T₂/T₁
V₂ = 425 L× 258 K /305 K
V₂ = 109650 L.K / 305 K
V₂ = 359.5 L.
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What is one way the concept of stability is seen in chemistry?
Answers
Stability can be seen in chemistry through thermodynamics or kinetic stability.
There are two possible meanings of stability when it refers to coordination compounds (metal complexes): kinetic stability or thermodynamic stability.
The change in energy when reactants become products or G for the reaction is referred to as thermodynamic stability. Reactivity, or generally ligand substitution, is referred to as kinetic stability. In some situations, substitution happens relatively quickly, while in others, it happens quite slowly. Complexes of the first type are known as labile, whereas those of the second type are known as inert. These two forms of stability can sometimes be parallel to one another, but they are frequently not.The energetics and associated equilibrium constant for the reaction of an aquated metal ion with another ligand is frequently referred to as the reaction's "thermodynamic stability" (other than water). The stability constant () is equal to the instability constant reciprocated.Learn more about thermodynamic stability here:
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anyone???? Faraday second law of electrolysis
Answers
Answer:
"When the same amount of electricity is passed through different electrodes, the mass of electrodes liberated during electrolysis is directly proportional to its chemical equivalent."
I need help on #10 please
Answers
Answer:
Na,Ba,Ti,on their placement on the periodic table...
A local AM radio station broadcasts at a frequency of 742 kHz.
Calculate the wavelength at which it is broadcasting.
Wavelength =
m
(1 kHz = 10 3 sec -1)
Answers
The wavelength of the wave is obtained as 0.4 m.
What is the wavelength of the broadcasting station?The wavelength has to do with the distance that have been covered by the wave. In this case, we can use the frequency of the wave that have been supplied in the question and the speed of light which is a constant to be able to obtain the wavelength of the wave.
Knowing that;
wavelength = speed of light/frequency
speed of light = 3 * 10^8 m/s
Frequency = 742 * 10^3 Hz
wavelength = 3 * 10^8 m/s/ 742 * 10^3 Hz
= 0.4 m
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(6 pts) A compound was analyzed and found to contain 14.14% C, 2.38% H, and 83.48% Cl.
Determine the empirical formula for this compound.
Answers
The empirical formula for this compound is CH₂Cl₂.
C = 14.14% / 12 = 1.17
H = 2.38% / 1 = 2.38
Cl = 83.48% / 35.5 = 2.35
Now, divide by 1.17
C = 1.17 / 1.17 = 1
H = 2.38 / 1.17 = 2
Cl = 2.35 / 1.17 = 2
Therefore, The empirical formula for this compound is CH₂Cl₂.
In chemistry, the empirical formula of a chemical compound is the best entire variety ratio of atoms found in a compound.
There are three main types of chemical formulas: empirical, molecular and structural. Empirical formulas display the best whole-range ratio of atoms in a compound, molecular formulas show the quantity of every kind of atom in a molecule, and structural formulas display how the atoms in a molecule are bonded to every different.
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Calculate the [OH−] and the pH of a solution with an [H+]=4.9×10−13 M at 25 °C .
[OH−]= M
pH=
Calculate the [H+] and the pH of a solution with an [OH−]=2.2×10−7 M at 25 °C .
[H+]= M
pH=
Calculate the [H+] and the [OH−] of a solution with a pH=8.66 at 25 °C .
[H+]= M
[OH−]= M
Answers
The [OH⁻] concentration is 1.9 × 10⁻² M and the [H⁺] concentration is 3.9 × 10⁻⁸ M
a) [ H⁺ ] = 4.9 × 10⁻¹³ M
pH = - log [ 4.9 × 10⁻¹³ ]
pH = 12.3
pH + pOH = 14
pOH = 14 - 12.3 = 1.7
pOH = -log [OH⁻]
[OH⁻] = 10^-1.7
= 1.9 × 10⁻² M
b) pOH = - log [ 2.2 × 10⁻⁷]
pOH = 6.6
pOH + pH = 14
pH = 7.4
pH = -log [H⁺]
[H⁺] = 10^-7.4
[H⁺] = 3.9 × 10⁻⁸ M
Thus, The [OH⁻] concentration is 1.9 × 10⁻² M and the [H⁺] concentration is 3.9 × 10⁻⁸ M
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