# 12 of Equilibrium Constant
Consider the chemical system:
2 NO(g)
N₂(g) + O₂ (g)
K = 2.1 x 1030
How do the equilibrium concentrations of the reactant compare to the equilibrium concentration of the products?
Select one:
O a. They are much lower
O b. They are much higher
O c.
They are about the same order of magnitude
O d. They have to be exactly equal
e.
You can't tell from the information given
Answers
Answer:
of Equilibrium Constant
Consider the chemical system:
2 NO(g)
N₂(g) + O₂ (g)
K = 2.1 x 1030
How do the equilibrium concentrations of the reactant compare to the equilibrium concentration of the products?
Select one:
O a. They are much lower
O b. They are much higher
O c.
They are about the same order of magnitude
O d. They have to be exactly equal
e.
You can't tell from the information
Explanation:
of Equilibrium Constant
Consider the chemical system:
2 NO(g)
N₂(g) + O₂ (g)
K = 2.1 x 1030
How do the equilibrium concentrations of the reactant compare to the equilibrium concentration of the products?
Select one:
O a. They are much lower
O b. They are much higher
O c.
They are about the same order of magnitude
O d. They have to be exactly equal
e.
You can't tell from the information
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Answer: The new volume of the balloon will be 4.45L
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Answer:
C - magma solidification
Explanation:
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At 20°C, the volume of chlorine gas is
15dm3. Compute the resulting volume
if the temperature is adjusted to 318K
provided that the pressure remains
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Given:
Unknown:
Formula:
Solution:
Final Answer:
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Solving typed question by you
20°C=293KApply charles law
V1T2=V2T115(318)=293V2V2=16.27dm³Answer:
See below ~
Explanation:
Typed question
Given :
T₁ = 20 °C = 293 KV₁ = 15 dm³T₂ = 318 KUnknown :
V₂Formula :
V₁/T₁ = V₂/T₂Solution :
15/293 = V₂/318V₂ = 318/293 x 15V₂ = 1.09 x 15V₂ = 16.35 dm³Final Answer :
16.35 dm³Question 3 (in attachment)
Given :
V₁ = 600 mLP₁ = 700 torrV₂ = 600(1 - 1/3) = 600(2/3) = 400 mLUnknown :
P₂Formula :
P₁V₁ = P₂V₂Solution :
700 x 600 = P₂ x 400P₂ = 600/400 x 700P₂ = 1.5 x 700P₂ = 1050 torrFinal Answer :
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[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
Arrow head shows the direction of products formed in a reaction. so we can say that it denotes the direction of the chemical reaction. I.e From Reactant to Product.
so, the correct choice is B
A 3.24-gram sample of NaHCO3 was completely decomposed in an experiment.
2NaHCO3 → Na2CO3 + H2CO3
In this experiment, carbon dioxide and water vapors combine to form H2CO3. After decomposition, the Na2CO3 had a mass of 2.19 grams.
Determine the mass of the H2CO3 produced.
Calculate the percentage yield of H2CO3 for the reaction. Show your work or describe the calculation process in detail.
PLEASE HELP, WILL MARK BRAINLIEST!!!
Answers
Givens: NaHCO3 = 3.24
Na2CO3 = 2.19
To get the mass, just subtract the mass of one of the product to the reactant.
Mass of H2CO3 = mass of NaHCO3 - mass of Na2CO3
Mass of H2CO3 = 3.24g - 2.19g
Mass of H2CO3 = 1.05g
Mass of H2CO3 = 1.05g
Givens: NaHCO3 = 3.24
Na2CO3 = 2.19
Mass of H2CO3 = mass of NaHCO3 - mass of Na2CO3
Mass of H2CO3 = 3.24g - 2.19g
Mass of H2CO3 = 1.05g
How do you find the mass number?The number of protons and the number of neutrons combine to determine the mass number of an element. Mass number = proton + neutron. If you want to calculate the number of neutrons an atom has, you can simply subtract the number of protons or atomic numbers from the mass number.
Divide the mass of a substance in grams by the molecular weight. This will give you the number of moles of the substance in a particular mass. For 12 g of water, (25 g) / (18.015 g / mol) = 0.666 mol.
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Answer:
It's the third option.
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[Co(H2O)6]2+ what is the name
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The electron affinity of the 5th group increases down the groups of the periodic table because the electrons are placed in a higher energy level far from the nucleus.
What is electron affinity?Electron affinity is the energy released when an electron is attached to an atom or molecule.
Electron affinity is used as a measure of its ability to form an anion.
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Answer:
The Five Dynasties and Ten Kingdoms (907-960) is a period of great division in Chinese history, and is also the collective name for the Five Dynasties and the Ten Kingdoms.
The Five Dynasties refer to the five regimes located in the Central Plains that were successively replaced after the fall of the Tang Dynasty, namely Later Liang, Later Tang, Later Jin, Later Han and Later Zhou. At the end of the Tang Dynasty, the Five Dynasties and the beginning of the Northern Song Dynasty, there were many separatist regimes outside the Central Plains, among which more than ten separatist regimes such as the former Shu, the latter Shu, and the Northern Han were collectively referred to as the Ten Kingdoms.
Explanation:
Answer:
Mongol Yuan dynasty.
Explanation:
SCIENCE!
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Atoms are the indivisible particles of matter. Atoms, molecular mass, and moles can be related by the Avogadros number. There are 2.00 × 10²⁵ atoms of neon in the sample.
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From the Avogadro's number, mass, and the molar mass the number of atoms is calculated as:
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Therefore, 2.00 × 10²⁵ atoms of neon are present in the sample.
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Answer:
See below
Explanation:
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the small magnet will position itself similar this with N on the right S on the left (opposites attract)
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Construct a short Essay (Make sure you include information about Temp, Pressure, amount of dissolved solids, & cooling time)
Is there support for your Claim?
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Answer:
one factor is the speed at which crystals are formed
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Answer:
815.59
Explanation:
Assuming no heat lost to the Surrounding
Total heat lost by granite = Total heat gained by water
mc∆T of granite = mc∆T of water
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B a liquid through another liquid
b) explain you answer
help pls!
Answers
Answer:
A
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I would expect a gas to diffuse through another gas faster because gases generally diffuse much faster than liquids. Hence, A is the best option.
Describe the population density located along the tectonic plate boundary known as the Ring of Fire and the potential effect that earthquakes or volcanic
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(Pls no links)
Answers
Population density is the number of specific organisms living in a particular area. The tectonic plate movements in the Ring of Fire area can cause volcanic eruptions and earthquakes.
What are tectonic plates?Tectonic plates are the parts of the crust and the mantle of the earth layer that is also called the lithosphere plate. They are not stationary and have slight movements on the mantle which comprises the hot lava.
The movement of these tectonic plates in the area of the Ring of fire causes the eruption of the lava and disrupts the crust causing an earthquake. This consequence affects the life habiting them.
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Answer:
im pretty sure because the plates move which causes these natural disasters
Explanation:
Find the empirical formula of a compound containing 26.56% potassium, 34.51% chromium, and the remainder oxygen.
Answers
Answer:
K₂Cr₂O₇
Explanation:
Finding % of O
% O = 100% - % K - % Cr% O = 100% - 26.56% - 34.51%% O = 73.44% - 34.51%% O = 38.93%Steps
Change % of each element into grams.Convert grams of each element into moles by dividing grams by molar mass.Divide all moles by the smallest number of moles.If the moles are all whole numbers, then you’re done and that’s your empirical formula.If not, multiply all moles by number such that everything is a whole number.Solving
We have 26.56g of K, 34.51g of Cr, and 39.93g of O
Moles of K, n(K) = 26.56/39.0983 = 0.68 molesMoles of Cr, n(Cr) = 34.51/51.9961 = 0.66 molesMoles of O, n(O) = 38.93/15.9994 = 2.43 molesK = 0.68/0.66 ≈ 1 x 2 = 2Cr = 0.66/0.66 = 1 x 2 = 2O = 2.43/0.66 = 3.5 x 2 = 7The empirical formula is K₂Cr₂O₇
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Answers
The resin may be regenerated by washing it again with water and making it safe for use again.
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The resin may be regenerated by washing it again with water and making it safe for use again.
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Determine the amount of energy required to heat 4.00 grams of H₂O (t) at 60°C to H₂O (t) at 85°C.
Answers
Answer: See attached image
Explanation:
Heat flows–
A. from high places to low place.
B. from colder places to hotter places.
C. from hotter places to colder places.
D. from low places to high places
Answers
Answer:
A. from high places to low places
What is the boiling point of c
Answers
Answer:
90 degree is the boiling point of c
