Answer:
Towards the products
Explanation:
The equilibrium constant for the reaction is 14. The equilibrium will shift towards the product.
What is equilibrium?Equilibrium is defined as a condition in which the forward and backward reaction rates are identical. When all of the external forces acting on an object are balanced, the object is said to be in equilibrium in a reference coordinate system. This indicates that all external forces and moments acting on this item have a net effect of zero.
When sulfur dioxide SO2 concentration is increased, the Q value rises to 1.4.
Q = [ SO₃ ]² / [ SO₂ ]² [ O₂ ]
Q = 1.4
Where K
K = [ SO₃ ]² / [ SO₂ ]² [ O₂ ]
K = 14
Q will shift to the right to consume the extra SO2 and restore the equilibrium position since Q is less than K.
Thus, the equilibrium constant for the reaction is 14. The equilibrium will shift towards the product.
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a hot air balloon has a volume of 875L. what is the original temperature of the balloon if its volume changes to 955 L when heated to 56
Answer:
using Charles law
v1/t1= v2/ t2
Explanation:
875/t1=955/56+273
t1= 329* 875/955
t1= 302.82k
The initial temperature of the hot air balloon can be calculated from Charles's law. The initial temperature of the balloon was, 51.3 °C.
What is Charles's law?According Charles's law, at constant pressure, the temperature and volume of a gas is in direct proportionality. Thus volume increases with an increase in temperature. Therefore V/T = a constant.
Let V₁ and T₁ be the initial volume and initial temperature and V₂ and T₂ be the final volume and temperature respectively. Thus we can write the relation as:
V₁ /T₁ = V₂/T₂ .
Given that the initial and final volume are 875 L and 955 L respectively. The final temperature is 56 °C. Thus the initial temperature is calculated as :
T₁ = V₁T₂/V₂
= (875 L × 56 °C )/955 L
= 51.3 °C.
Hence, the initial temperature of the hot air balloon was 51.3 °C.
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Seratonin is a neurotransmitter. The ratio of C atoms to N atoms is____
Answer:
5:1
Explanation:
The molecular formula of serotonin is C10H12N2O. Therefore, the ratio of C atoms to N atoms is 5:1, because you divide 10 and 2 by 2, and then you get 5:1.
Phản ứng phân hủy của 1 este trong môi trường kiềm: RCOOR’ + NaOH → RCOONa + R’OH
Để một nửa lượng ban đầu của RCOOR’ và NaOH chuyển thành sản phẩm ở 270C cần thời gian là 200
phút. Hỏi ở 570C cũng để chuyển một nửa lượng ban đầu của RCOOR’ và NaOH thành sản phẩm thì cần
bao nhiêu phút? Cho biết hệ số nhiệt độ của phản ứng trên = 2,8.
What type of mixture is this illustration?
Answer:
Suspension
Explanation:
It's a suspension because it is not mixed at all, and has distinctly separate layers.
PLEASE ANSWER WITHIN THIS HOUR!
Which of the following does NOT describe the epidermis?
A. It is waterproof.
B. It houses the sweat and oil glands.
C. It is the outermost layer of the skin.
D. Its surface consists of dead cells that continually shed off.
Thank you!
Answer:
it doesn't house the sweat and oil glands
Explanation:
the epidermis doesn't house the oil and sweat glands but the dermis does
What is the mass of sulphate ions 96.06 in 25.0ml of a 0.125 solution
Answer:
12.34
Explanation:
because this is how we do this
Determine the amount in grams of KCl that exists in 20.3 g of a solution that contains 1.14 % KCl by mass 1.14 g KCl
The mass of KCl that exists in 20.3 g of solution containing 1.14% by mass of KCl is 0.23 g
From the question given above, the following data were obtained:
Mass of solution = 20.3 g
Percentage of KCl = 1.14% = 1.14 / 100 = 0.0114
Mass of KCl =?[tex]Percentage = \frac{mass of solute}{mass of solution} * 100\\\\0.0114 = \frac{mass of KCl}{20.3} \\\\[/tex]
Cross multiply
Mass of KCl = 0.0114 × 20.3
Mass of KCl = 0.23 gTherefore, the mass of KCl in the solution is 0.23 g
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help! ill give brainliest
Answer:
Option B
Explanation:
Magnesium is an alkali earth metal and chlorine is a nonmetal. Due to this, and their differences in electronegativity, the elements form an ionic bond. Since magnesium has two valence electrons, it will give them up to two chlorine atoms (which has 7 valence electrons), which needs them to complete its octet. From this, magnesium forms a cation, and will have the ion formula Mg(2+). The two chlorine atoms form anions, and will have the ion formula Cl(1-).
Terms:
Cation: a positively charged ionAnion: a negatively charge ion.Electronegativity: the tendency of an atom in a molecule to attract the shared pair of electrons towards itself.some uses of sodium bicarbonate
Answer:
Sodium bicarbonate is an antacid used to relieve heartburn and acid indigestion. Your doctor also may prescribe sodium bicarbonate to make your blood or urine less acidic in certain conditions. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
please answer, the question is attached below/above
Answer: No
Explanation: O is a recessive trait so at least there is a mutation, then no.
How does using more water in a beaker affect the solubility in an experiment?
How do weak intermolecular bond strengths affect the melting and boiling point of a substance? (Picture is of answers I can choose from)
For a weak intermolecular bond, both the melting point and boiling point are lower.
A lesser energy is required to break bond of weak intermolecular forces while a greater energy is required to break bond of strong intermolecular forces.
E ∝ T
where;
E is the energy required to break the bondT is the temperatureA lesser energy means a lower temperature and a lower temperature will result in lower boiling point and melting point.
Thus, we can conclude that for a weak intermolecular bond, both the melting point and boiling point are lower.
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give some practical examples where prefixes are used
How does using more water in a beaker affect the solubility in an experiment?
Answer:
it may lead to read false measurements
while in an experiment.
that's what I think.
Which of the following correctly describes the law of conservation of matter?
O Matter makes up 98% of stuff in the universe, so it has to be created and destroyed sometimes
O Matter can be destroyed during a chemical reaction as long as it is created again in a different reaction
O Matter can only be created, but not destroyed in chemical equations
O Matter can neither be created nor destroyed during a chemical reaction
Assertion is correct statement but reason is wrong statement.
Assertion is correct statement but reason is wrong statement.Matter can neither be created nor destroyed is a statement of the law of conservation of mass.
Matter can neither be created nor destroyed is a statement of the law of conservation of mass.The assertion is correct but the reason is incorrect.
If a barometer were built using water (d=1.0 g/cm3) instead of mercury (d=13.6 g/cm3), would the column of water be higher than, lower than, or the same as the column of mercury at 1.00 atm? If the level is different, by what factor? Explain.
Mercury is a compound denser than water and when this happen, it stays lower.
So, in this case, water stays higher than mercury because its density is low.
The level is different by a factor of 13.6 times taller.
Identify the six parts of the DNA molecule.
The six parts of DNA serially are A) adenine B) thymine C) Sugars D) Phosphate E) Guanine F) Cytosine.
What is DNA?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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Each of the following sets of quantum numbers is supposed
to specify an orbital. Which of the following sets of quantum
numbers contains an error?
A) n = 2, l = 1 , ml = -1
B) n = 4, l = 2, ml =0
C) n = 3, l =3 , ml = -2
D) n = 1, l = 0, ml =0
E) n = 3, l = 0, ml =0
Answer:
C
Explanation:
The azimuthal quantum number can take values from 0 to (n-1)
So in answer C n= 3, l can take values between 0
and 2.
l can't be 3.
ml can take values from -l to +l.
Hope you understood
Which of the sequence best describe how a piece of chicken nugget is digested in the human body?
mouth, esophagus, small intestine, large intestine, stomach
mouth, esophagus, small intestine, large intestine, stomach
mouth, stomach, small intestine, large intestine, esophagus
mouth, stomach, small intestine, large intestine, esophagus
mouth, esophagus, stomach, small intestine, large intestine
mouth, esophagus, stomach, small intestine, large intestine
None of the above
The sequence for the disgestion of a piece of chicken nugget in the human body is: C. mouth, esophagus, stomach, small intestine, large intestine.
What is digestion?Digestion can be defined as a form of catabolic activity that involves the breaking down of food into smaller sizes that can be absorbed as nutrients by the body of a living organism while releasing energy through the process.
Based on the digestive system, the sequence for the disgestion of a piece of chicken nugget in the human body are:
MouthEsophagusStomachSmall intestineLarge intestineRead more on disgestion here: https://brainly.com/question/22686081
An aqueous solution of a vanadium chloride salt is electrolyzed by a current of 3.00 A passing through the solution for 60.0 min. If 5.70 g of vanadium is produced at the cathode during this time, what is the likely formula unit for the vanadium salt
From the information in the question, the formula unit of the salt is given as VCl.
The quantity of charge produced is obtained from;
Q = It
I = current (3 A), t = time (3600 s)
Q = 3 A × 3600 s
Q = 10800 C
Now we need to find the number of electrons transferred as follows;
51 g of Vanadium is deposited by 96500n C
5.70 g is deposited by 10800 C
5.70 × 96500n = 51 × 10800
n = 51 × 10800/5.70 × 96500
n = 1
The formula of the salt is VCl.
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Bio fuel is a mixture of petrol and 20%——————
Answer:
methane and petrol okkkkkkkkkkkkkkkkkkk
The table compares vapor pressure values for water ethanol and diethyl ether Add six temperatures determine the approximate normal boiling point for each substance what do the data suggest about the relative strength of attraction between particles in each substance
Water has the strongest intermolecular forces followed by ethanol and diethyl ether has the least intermolecular forces.
From the table, we can see the vapor pressures of water, ethanol and diethyl ether. The boiling point of water is 100°C, the boiling point of ethanol is 80°C while the boiling point of diethyl ether is 40°C.
We can see that the vapor pressures and approximate normal boiling points of the substances varies with the nature of intermolecular bond forces in the molecule.
Water has highest boiling point and the lowest vapor pressure followed by ethanol. Diethyl ether has the highest vapor pressure and lowest boiling point from the data in the table.
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Which of these is the condensed structural formula for an alkane with four carbon
atoms?
O CH3CH2CH2CH3
H
HLH
1C
H
C2
LH
I
C
HTH Н
H
0-I
I
क
H
OCH3CHCHCH3
OC-C-C-C
Answer:
First option
Explanation:
The option that says CH3CH2CH2CH3 is the correct option (I hope that I am right because the order of the answers is not very clear :/)
The Periodic table below shows major regions in different colors. In this periodic table, which type of element is shown in green boxes?
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The Correct choice is~ B
The elements shown in green boxes are ~ Metalloids
What is inertia?(1 point)
A. a force that acts on an object at rest
B. the motion of an object
C. an object’s resistance to a change its motion
D. the speed and direction of an object in motion
Answer:
I think it's C. hope this helps:)
If acid comes in contact with your skin, why must you flush the area with plenty of cold water, rather than neutralizing the acid with a base?
Answer:
that would just create a bigger mess if you flush it with ice water it can reduce swelling and help dull your nerves
Explanation:
If acid comes in contact with your skin, because having an excessive amount of base can also be harmful. Acid is weakened and rendered ineffective by water.
What is acid?A chemical species known as an acid absorbs electrons and/or provides protons or hydrogen ions. When a hydrogen atom is bound to an acid, it can release (dissociate) and produce a cation as well as an anion in water. A substance's acidity and solution pH increase according to the amount of hydrogen ions it produces.
There are various definitions for acids. When someone uses the term "an acid," they typically mean an Arrhenius or Brnsted-Lowry acid. Often, a Lewis acid being referred to as a "Lewis acid." If acid comes in contact with your skin, because having an excessive amount of base can also be harmful. Acid is weakened and rendered ineffective by water.
Therefore, if acid comes in contact with your skin, because having an excessive amount of base can also be harmful. Acid is weakened and rendered ineffective by water.
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What is the name of the branched alkane shown below?
لہ
A. 3-methyloctane
B. 4-methylheptane
C. 3-methylheptane
D. 4-methyloctane
Answer:
4-methyloctane
Explanation:
other guy got it wrong, this one's right
The name of the branched alkane is 4-methyloctane as it has 8 carbon atoms.
What is an atom?An atom is defined as the smallest pa of matter which makes a basis of an element. Every form of matter whether it be a solid,liquid , gas consists of atoms . Each atom has a nucleus which is contains protons and neutrons and shells in which the electrons revolve.
The protons are positively charged particles and neutrons are neutral particles and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged particles and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not change the chemical properties of the substances.
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List key terms associated with the carbon cycle
The main parts of the carbon cycle are photosynthesis, respiration, diffusion, absorption, fossil fuel burning, and land use.
A chemical reaction occurs when _________.
A. Chemical Bonds are build
B. A new substance is created
C. Chemical Bonds are broken
D. All of the Above
Answer:
C. Chemical Bonds are broken
Explanation:
A chemical reaction occurs when chemical bonds are broken.
Chemical reactions occur when chemical bonds between atoms are formed or broken.
Hope this helps :)
Answer:
c: chemical bonds are broken
Explanation:
the broken bonds then create new bonds, rearranging the atoms into a new substance :)
Stems are important plant structures because they _________.
A.
are the main sites of photosynthesis for plants
B.
are the only site of water and nutrient transport
C.
allow plants to absorb water and nutrients from the soil
D.
give the plant structure and support
Answer:
D
Explanation:
supports the plant,leaves and flowers