The equilibrium constant expression for each of the reaction are K = [\(CO_2\)][\(H_2\)] / [CO][\(H_2O\)].
The equilibrium constant expression for each of the reactions you provided can be written as follows:
a) CO(g) + \(H_2O\)(g) ⇄ \(CO_2\)(g) + \(H_2\)(g)
The equilibrium constant expression for this reaction is:
K = [\(CO_2\)][\(H_2\)] / [CO][\(H_2O\)].
b) \(CH_4\)(g) + \(Cl_2\)(g) ⇄ \(CH_3Cl\)(g) + HCl(g)
The equilibrium constant expression for this reaction is:
\(K = [CH_3Cl][HCl] / [CH_4][Cl_2]\)
c) \(2SO_2\)(g) + \(O_2\)(g) ⇄ \(2SO_3\)(g)
The equilibrium constant expression for this reaction is:
\(K = [SO_3]^2 / [SO_2]^2[O_2]\)
d) FeO(s) + CO(g) ⇄ Fe(s) + \(CO_2\)(g)
The equilibrium constant expression for this reaction is:
K = [\(CO_2\)][Fe] / [CO]
In each expression, the brackets [] denote the concentration of the respective species at equilibrium.
Thus, the equilibrium constant (K) is a dimensionless quantity that represents the ratio of the concentrations of the products to the concentrations of the reactants, with each concentration term raised to the power corresponding to its stoichiometric coefficient in the balanced equation.
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covalent bonds are formed when
Covalent bonds are formed when atoms of elements share electrons.
What is a covalent bond?A covalent bond is a type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
These electron pairs are known as shared pairs or bonding pairs and they form when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.
For example, in a chemical compound HCl, it can be said that hydrogen and chlorine are joined by covalent bonding.
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H₂O polar or non polar
Answer:
Water is a Polar Covalent Molecule
Water (H2O), like hydrogen fluoride (HF), is a polar covalent molecule. When you look at a diagram of water (see Fig. 3-2), you can see that the two hydrogen atoms are not evenly distributed around the oxygen atom.
Explanation:
Water (H2O), like hydrogen fluoride (HF), is a polar covalent molecule. When you look at a diagram of water (see Fig. 3-2), you can see that the two hydrogen atoms are not evenly distributed around the oxygen atom. Water is a polar molecule. While the overall charge of the molecule is neutral, the orientation of the two positively charged hydrogens (+1 each) at one end and the negatively charged oxygen (-2) at the other end give it two poles.
Which of the following compounds contains an ionic bond? *will give brainliest plus 15 points*
A. CCl4
B. CO2
C. KB
D. NHS
Answer:
C
Explanation:
ionic bonds are bonds between metals and non-metals or metalloids ,so the only compound with a metal is KB
1. Blood is an example of which level of organization
Question 4 of 10
The ACT science test takes______ minutes.
O A. 60
B. 30
O C. 35
OD. 45
If H 2
and Cl 2
are mixed, how will they interact based on your knowledge of chemical bonds?
The reaction of the hydrogen and the chlorine atoms would lead to the formation of HCl
Formation of HClIn this reaction, each chlorine molecule (Cl2) breaks apart into two chlorine atoms (Cl), and each hydrogen molecule (H2) breaks apart into two hydrogen atoms (H). These reactive atoms then combine to form hydrogen chloride molecules (HCl).
It's worth noting that the reaction between hydrogen gas and chlorine gas is highly exothermic and releases a significant amount of energy.
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Biological chemistry (compounds and their role in our life) project
Understanding the metabolic shifts and associated physiological changes in the body is made easier by biological chemistry.
What is biological chemistry?A subfield of chemistry called biochemistry, commonly referred to as biological chemistry, focuses on the chemicals and chemical reactions that take place inside living things.
Understanding the underlying mechanisms that control life is essential for the creation of novel therapies for disorders. Understanding the metabolic shifts and associated physiological changes in the body is made easier by biological chemistry.
Therefore, understanding the metabolic shifts and associated physiological changes in the body is made easier by biological chemistry.
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Rajah 3 / Diagram 3 Antara industri berikut yang manakah menggunakan mikroorganisma ini? Which of the following industries uses this microorganism?
Answer:
bacteria is used by industries . Because some bacterias are very friendly
Porque el carbón no se disuelve en agua ????
Assertion: An object floats if it displaces an amount of liquid whose weight is greater than the actual weight of the object.
Reason: During floatation an object experiences no net force in the downward direction.
(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
(c) Assertion (A) is true but reason (R) is false. (d) Assertion (A) is false but reason (R) is true
(d) Assertion (A) is false but reason (R) is true
Based on the assertion and the reason regarding the weight of an object and upthrust experienced by the body in a fluid; Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
The correct option is A.
What is the principle of floatation?The principle of floatation states that an object will float in a fluid if the upthrust that is experienced by the object is equal to or greater than the weight of the object.
The upthrust experienced by a body is the upward force that a liquid or gas exerts on a body floating in it.
Upthrust on a body depends on the acceleration due to gravity, the density of the liquid, and the volume of the body immersed in the liquid.
The weight of a body is the force of gravity acting on the body. The weight of a body acts downward.
Thus in a fluid, the weight of an object acts downward while the upthrust on the object acts in an upward direction.
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Given the following information:
Heat of sublimation of Li(s) = 166 kJ/mol
Bond energy of HCl = 427 kJ/mol
Ionization energy of Li(g) = 520. kJ/mol
Electron affinity of Cl(g) = -2349 kJ/mol
Lattice energy of LiCl(s) = -2829 kJ/mol
Bond energy of H₂ = -432 kJ/mol
Calculate the net change in energy for the following reaction:
2Li(s) + 2HCl(g) --> 2LiCl(s) + H₂(g)
Answer:
Ya'll should really practice more because things like these are easy
Explanation:
You guys need to practice more since stuff like this are pretty simple.
What is net change?According to the net change theorem, the ultimate value of a quantity equals the beginning value plus the integral of the rate of change when a quantity changes. The net change can be positive, negative, or zero.The term "Net Change in Cash" indicates how much Cash and Cash Equivalents changed in value during the reporting period. It is the main punchline of the Cash Flow Statement. Net Cash Change quantifies how much the value of Cash and Cash Equivalents changed during the reporting period. The main punchline on the Cash Flow Statement is this. When using net cash as a barometer to determine a company's financial health, it is critical to analyse what activities contribute to positive or negative net cash.To learn more about net change refer to:
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Which qualities of an effective digital leader are being demonstrated by Caleb? Check all that apply. Problem-solving skills good time-management overseeing group tasks effective scheduling excitement about the project.
The effective leader qualities demonstrated by Caleb are problem-solving skills, good time management, and effective scheduling. Thus, options A, B, and D are correct.
The project led by Caleb is based on natural resources. The team plays an important task in completing important and achieving the targets and goals for a project plays.
What are the qualities of Caleb?Caleb's team has lost focus on the project. The team leader is responsible to manage his team and encouraging them to achieve targets.
Caleb manages his team by arranging meetings and analyzing members' progress.
The leadership qualities that are demonstrated by Caleb are problem-solving skills, good time management, and effective scheduling. Thus, options A, B, and D are correct.
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Answer:
a & e
Explanation:
F it takes 0.0500 l of oxygen gas kept in a cylinder under pressure to fill a 4.00 l vessel in which the pressure is 0.980 atm, what was the initial pressure of the gas in the cylinder
Answer:
0.012atm pressure
Explanation:
pressure is inversly proportional to volume. Mathematically,
V1/P1=V2/P2
which of the folowing molecules has the most polar bond between the bonded atoms in terom of greatedst end
The correct response is b) N - H. Because nitrogen is one of the most electronegative elements in the periodic table, its bond with hydrogen will be the most polar of all.
What exactly is a polar bond?A polar covalent bond is a covalent association in which the atoms' electron attraction is uneven, resulting in unequal electron sharing. In a polar covalent bond, also known as a polar bond, the distribution of electrons surrounding the molecule is no longer symmetrical. Polar covalent bonds have an unequal distribution of electrons. The difference in electronegativity between the two elements would be between 0.4 and 1.7. The electronegativity gap between polar and nonpolar bonds is less than 0.4.
In this case, the right answer is b) N - H. Because nitrogen is one of the periodic table's most electronegative elements, its bond with hydrogen will be the most polar of all.
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The change in electrical charge from –70 mV to the peak of the action potential is due to ___ and the change in electrical charge from the peak of +30 or +40 mV back to –70 mV is due to___. inflow of chloride ions, outflow of sodium ions inflow of potassium ions, outflow of sodium ions inflow of sodium ions, outflow of sodium ions inflow of sodium ions, outflow of potassium ions
The change in electrical charge from –70 mV to the peak of the action potential is due to the inflow of sodium ions, and the change in electrical charge from the peak of +30 or +40 mV back to –70 mV is due to the outflow of potassium ions.
An action potential is a rapid alteration of the membrane potential of an excitable cell caused by an electrical impulse that travels down the axon of the cell, resulting in the production of an electrical signal. An action potential occurs when the membrane potential of a neuron is rapidly increased and then decreased back to its resting state. An action potential is generated in response to a depolarizing stimulus that raises the membrane potential of the neuron to its threshold level.
At the beginning of an action potential, sodium ions enter the neuron, causing the membrane potential to become more positive, while potassium ions exit, causing the membrane potential to become more negative. This rapid flow of ions causes the membrane potential to reach its peak positive value before the sodium channels close and the potassium channels open. As potassium ions rush out of the neuron, the membrane potential becomes more negative, and the neuron returns to its resting state.
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Which of the following elements is used by your body? A) aluminum B) helium C) calcium D) all of the above
It's actually Science but I didn't find it.
Word Bank: friction, gravity, equal, motion, balanced, unbalanced, change, changing, direction speed
Forces acting on an object are balanced or unbalanced. Forces acting on an object have _____ strength and act in opposite directions they are ______ . These forces cancel each other, and _____ of the object does not _____ . When the Forces acting on an object are, _____ they do not cancel out another. An unbalanced force on an object results on the object's motion _____ . The object may change its _____ (speed up or slow down), or it may change its _____ . _______ is a force that resists the motion or the tendency toward motion between two objects in contact with each other. _____ is a force that pulls objects toward one another. For example, Earth pulls all objects toward it.
Someone please help me
Answer:
Forces acting on an object may be balanced or unbalanced. When the forces acting on an object have equal strength and act in opposite directions, they are balanced. These forces cancel out one another, and the motion of the object does not change. When the forces acting on an object are unbalanced, they do not cancel out one another. An unbalanced force acting on an object results in the object’s motion changing. The object may change its speed (speed up or slow down), or it may change its direction. Friction is a force that resists the motion or the tendency toward motion between two objects in contact with each other. Gravity is a force that pulls objects toward one another. For example, Earth pulls all objects toward it.
Explanation:
From the data below, calculate the total heat (in J) needed to convert 0.707 mol of gaseous ethanol at 300.0°C and 1 atm to liquid ethanol at 25.0°C and 1 atm
From the data below, calculate the total heat (in J) needed to convert 0.707 mol of gaseous ethanol at 300.0 °C and 1 atm to liquid ethanol at 25.0°C and 1 atm:
b.p. at 1 atm: 78.5 °C. ΔH^0 vap : 40.5 kJ/mol
cgas: 1.43 J/g °C. cliquid: .45 J/g·°C
From the data below the total heat (in J) needed to convert 0.707 mol of gaseous ethanol at 300.0°C and 1 atm to liquid ethanol at 25.0°C and 1 atm is 17,421 J.
To calculate the total heat needed to convert gaseous ethanol to liquid ethanol, we need to consider the heat required for two processes: heating the gaseous ethanol from 300.0 °C to its boiling point and then condensing it to liquid ethanol at 25.0 °C.
1. Heating gaseous ethanol from 300.0 °C to its boiling point (78.5 °C):
The heat required can be calculated using the formula:
q = n * C * ΔT
where:
q is the heat,
n is the number of moles (0.707 mol),
C is the molar heat capacity (Cgas = 1.43 J/g °C),
ΔT is the change in temperature (78.5 °C - 300.0 °C).
First, we need to convert moles of ethanol to grams using its molar mass (46.07 g/mol):
Mass of ethanol = 0.707 mol * 46.07 g/mol = 32.54 g
q1 = 32.54 g * 1.43 J/g °C * (78.5 °C - 300.0 °C) = -11,274 J (negative sign indicates heat loss)
2. Condensing ethanol from its boiling point (78.5 °C) to 25.0 °C:
The heat required is given by the enthalpy of vaporization (ΔH^0 vap = 40.5 kJ/mol) multiplied by the number of moles.
q2 = 0.707 mol * 40.5 kJ/mol * 1000 J/kJ = 28,695 J
To get the total heat, we sum up q1 and q2:
Total heat = q1 + q2 = -11,274 J + 28,695 J = 17,421 J
Therefore, the total heat needed to convert 0.707 mol of gaseous ethanol at 300.0 °C and 1 atm to liquid ethanol at 25.0 °C and 1 atm is 17,421 J.
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What is forensic
science?
Answer:
"Forensic science is a critical element of the criminal justice system. Forensic scientists examine and analyze evidence from crime scenes and elsewhere to develop objective findings that can assist in the investigation and prosecution of perpetrators of crime or absolve an innocent person from suspicion."
Explanation:
Strictly from: https://www.justice.gov/olp/forensic-science#:~:text=Forensic%20science%20is%20a%20critical,an%20innocent%20person%20from%20suspicion.
Forensic science is any science used to aid in a criminal/legal investigation
An iron nail is composed of four sotopes with the Percentage abundances given in the table below average Calculate the average atomic mass of iron Isotopes - Percentage
fe-54 - 5.80
fe-56 - 91.72
fe-57 - 2.20
fe-58 - 0.28
The average atomic mass of iron Isotopes is 55.90 amu.
What is the average atomic mass?We know that because there is a phenomenon that we call isotopy, the average atomic mass of the elements is often not a whole number. The atoms of the elements tend to differ in the number of the neutrons that they posses. Thus isotopes are the atoms of the same elements that do not have the same number of neutrons.
We now have to obtain the relative atomic mass of the iron atom while taking note of the different isotopes that we gave in the atom as we can see.
We thus have;
(54 * 5.80/100) + (56 * 91.72/100) + (57 * 2.20/100) + (58 * 0.28/100)
= 3.13 + 51.36 + 1.25 + 0.16
= 55.90 amu
The average atomic mass of the iron as we can see from the calculation that is based on the table is obtained as 55.90 amu.
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Ammonium nitrate criss cross formula
Answer:
By using the criss cross method,the -1 charge of nitrate ion is shifted to ammonium ion and +1 charge of ammonium ion is shifted to nitrate ion. In this way, the final formula NH4NO3 is formed for the ammonium nitrate.
Which of the following best summarizes what happens in a displacement reaction?
A
Two elements react to form a compound.
B
A compound breaks down into elements.
C
An element and a compound react to form a different element and compound.
D
An element and a compound react to form another compound.
Answer:
C
Explanation:
Here's an example of displacement reaction:
2 Al (s) + 3 CuSO4 (aq) -> 3 Cu (s) + Al2(SO4)3 (aq)
note that aluminium and copper are elements,
copper II sulphate and aluminium sulphate are compound
The statement that best describes displacement reaction is an element and a compound react to form a different element and compound. The correct option is C.
What is displacement reaction?When a more reactionary element displaces, or continues to push out, a less reactive element from a compound containing the less reactive element, a displacement reaction occurs.
The less reactive element is now pure and uncombined following a displacement reaction.
A single-displacement reaction occurs when a more reactive element in a compound replaces a much less reactive element.
Metal displacement, hydrogen displacement, and halogen displacement are the three types of displacement reactions.
An element as well as a compound react to form a specific component and compound, according to the best description of displacement reaction.
Thus, the correct option is C.
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if 193 ml of chlorine gas was collected at 21 celsius, what volume would it have if the temperature dropped to 0 celsius
Answer:
New volume of chlorine gas (V2) = 179 ml (Approx)
Explanation:
Given:
Volume of chlorine gas (V1) = 193 ml
Temperature of chlorine gas (T1) = 21°C = 21 + 273 = 294 k
New temperature of chlorine gas (T2) = 0°C = 0 + 273 = 273 k
Find:
New volume of chlorine gas (V2) = ?
Computation:
Using charle's law
V1 / T1 = V2 / T2
193 / 294 = V2 / 273
V2 = 179.21
New volume of chlorine gas (V2) = 179 ml (Approx)
PLEASE HELP I'LL GIVE YOU BRAINLIEST!!
What is a compound?
A. the center of an atom that is formed by neutrons, protons, and electrons
B. a tiny particle that makes up all matter
C. a molecule that is formed from two or more different types of atoms.
D. a molecule that is formed from the same type of atoms
Answer:
C
Explanation:
What structures are found in
plant cells that are not found in animal cells?
Answer:
Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.
Explanation:
MOST BRAINLIEST
Chemists use letters of the alphabet as ____ for the elements.
Answer:
The symbol is the right answer.
Explanation:
The “ Symbol” is the correct answer because chemist uses the letters of the alphabet to denote the element. For instance, the element oxygen is denoted by the letter of the alphabet “O”, the hydrogen is denoted by the letter of alphabet “H”, Boron is denoted by the letter of alphabet “B”, etc. Here these are the examples that use one letter but there are other elements that use more than 1 letter as the symbol. For example, the Chlorine is represented by the Cl.
The letters of the alphabet are used by chemists as symbols in chemistry.
Symbols in chemistryThe “ Symbol” is the correct answer because the chemist uses the letters of the alphabet to denote the element. For instance, the element sulfur is denoted by the letter of the alphabet “S”, the hydrogen is denoted by the letter of the alphabet “H”. Other elements that use more than 1 letter as the symbol. For example, Chlorine is represented by the Cl.
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What is the boiling point of a solution composed of 15.0 g of urea, (NH2)2CO, in 0.500 kg of water? ___
Molar mass of urea = 60.6 g/mol kbp = 0.5121 °C/m Boiling point of water = 100.00 °C
The boiling point of the solution composed of 15.0 g of urea in 0.500 kg of water is approximately 100.25 °C.
To determine the boiling point of the solution, we need to calculate the change in boiling point caused by the addition of urea.
First, let's calculate the molality (m) of the urea solution:
m = moles of solute / mass of solvent (in kg)
moles of urea = mass of urea / molar mass of urea
= 15.0 g / 60.6 g/mol
= 0.247 moles
mass of water = 0.500 kg
m = 0.247 moles / 0.500 kg
m = 0.494 mol/kg
Next, we can calculate the change in boiling point (ΔTb) using the equation:
ΔTb = kbp x m
ΔTb = 0.5121 °C/m x 0.494 mol/kg
ΔTb = 0.2529 °C
Finally, we can determine the boiling point of the solution:
Boiling point of solution = Boiling point of water + ΔTb
Boiling point of solution = 100.00 °C + 0.2529 °C
Boiling point of solution ≈ 100.25 °C
Therefore, the boiling point of the solution composed of 15.0 g of urea in 0.500 kg of water is approximately 100.25 °C.
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Please help asap!
Subject: science
I just need some easy answers :)
Answer:
help with what? Let me know in the comments! :)
Explanation:
A woman needs a kidney transplant. The best candidate to donate a kidney to her is her
es -0)
A)
Co-Worker.
B)
daughter.
09
friend.
D
husband.
Answer: B
Explanation:
In which example do molecules move the fastest?
You have a block of dry ice (-40°C), an ice cube (-5°C), water (10°C), and alcohol (15°C).
O alcohol
O water
O ice cube
O dry ice
Answer:
alcohol
Explanation: