Answer:
I got you..you need help but with which question?
Explanation:
Have a great day!
Consider the reaction below. Upper C upper C l subscript 5 (g) double-headed arrow upper P upper C l subscript 3 (g) plus upper C l subscript 2 (g). At 500 K, the reaction is at equilibrium with the following concentrations. [PCI5]= 0. 0095 M [PCI3] = 0. 020 [CI2] = 0. 020 M What is the equilibrium constant for the given reaction? 0. 042 0. 42 2. 4 24.
The equilibrium constant of the reaction is 0.042.
The reaction equation is given as;
PCl5(g) ⇄ PCl3(g) + Cl2 (g)
Recall that this equation shows the decomposition of phosphorus pentachloride.
We have the following equilibrium concentrations;
[PCI5]= 0.0095 M
[PCI3] = 0.020
[CI2] = 0.020 M
The equilibrium constant, K is obtained from;
K = [PCI3] [CI2]/[PCI5]
K = [0.020]^2/[0.0095]
K = 0.042
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3.
What relationship do P and V have at a constant temperature? (Direct or Inverse)
1.
What relationship to V and T have at a constant pressure? (Direct or Inverse)
and please don’t put just a link thx
Answer:
3. Inverse 1. Direct
Explanation:
P- pressure
V - volume
T - temperature
P1*V1 / T1 = P2*V2 / T2 ...... (1)
That's the general gas law with the combined ideas of charles, boyle & lussac.
Whenever you are restricted as "constant" temperature, volume, or pressure...cancel them off of your equation.
in this case 3. is indirectly telling us to cancel the temperature (T).
so we'll be left w P1*V1 = P2*V2
now notice that any relation ship that is multiplied like the one above consists of inversely related quantities. & so we conclude that-
P & V are inversely proportional or have an inverse relationship.
similarly in 1. we'll cancel p off of the general formula (1)
to be left with V1/T1 = V2/T2
also note that quantities involved in division are directly related to each other & hence the answer.
Based on the graph, what is the approximate half-life of the reaction shown below
Answer: 2.1 minutes
Explanation: Based on the graph, what is the approximate half-life of the reaction shown below
application of electroplating
Answer:
are you interested in tun
What is photosynthesis?
Explanation:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Answer:
photosynthesis is the process of making food by green plants by using sunlight,carbon dioxide, water.
which of the following is a characteristic of the modern periodic table
Alison observes that when she injects additional gas molecules into a container of gas, the number of collisions in the container (and the pressure inside) increases. She then increases the volume of the container just enough to restore it to its original pressure. Which of the following laws best describes what Alison observed?
A. Amonton's Law
B. Avogadro's Law
C. Boyles Law
D. Charles's Law
E. Dalton's Law
Answer:
Explanait it is not d
Help. 50 points. Need honest answers.
Answer:
ok
Explanation:
Which best describes an element?
a pure substance
a type of a mixture
a pure compound
an impure substance
Answer:
An impure substance
Explanation:
Substance means: hard surface example: salt,corals,coal.
I’m in science class right now and I need help on these questions
Answer:
hello
Explanation:
True or False. When light passes from one medium to another the speed changes.
Answer:
Its actually true
Explanation:
Your Welcome Canada,
OH YEAH!!!!!!
Answer:
The correct answer is "True".
Explanation:
I hope this helps!
Find the unit price: 12 eggs for $3. How much is the cost per (one) egg?.
it's 3 dollars per 12 eggs so 3/12
simplify 3/12 by dividing both numbers by 3 so you get 1/4
you should know what 1/4 of a dollar is
or think of it this way 12 eggs are 3 dollars so every 4 eggs is one dollar. divide 1 dollar by 4 eggs
What are some advantages to the use of hydrokinetic energy? What might be some disadvantages?.
Hydro-kinetic energy has advantages of being a clean, domestic, and renewable source with effective production. The disadvantages have been affected marine environment, along with water quality, and electricity on drought.
Hydro kinetic energy has been the energy produced by the movement of water bodies in the form of tides, waves, and oceanic current. The hydro-kinetic energy has been composed with high energy entrapped in the water bodies.
Some of the advantages of hydro-kinetic energy has been:
It has been a clean energy source and has been pollution free.It has been used as domestic source of energy.It has been a renewable source of energy.It has been produced by the tidal waves, thus can be produced effective and in need.Some of the disadvantages of hydro-kinetic energy has been:
Application of water bodies affects the marine environment.It has been producing low BOD and thereby affects the water quality.Conditions such as drought result in the affected electricity production.For more information about hydro-kinetic energy, refer to the link:
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Answer:
Some advantages to using hydrokinetic energy are that it can be used without mining materials, it is not associated with waste production, and that it does not contribute to air pollution. The main disadvantage to using hydrokinetic energy is the fact that it uses waves and tides as an energy source. This technology could not be used in all locations.
Explanation:
got it on edge sorry for the late response
1. Predict the shape of the graph for a y versus x plot of air pressure versus altitude.
formulas and nomenclature binary ionic compounds worksheet
To name the binary ionic compounds it is necessary to observe which is the metal and the non-metal that compose them.
This name is made as follows:
The name of the metal is shown.The name of the non-metal is presented in abbreviated form.Add the suffix "ide" at the end.An example of this can be seen in the binary ionic composite KCL that receives the name Potassium Chloride, since potassium is the metal and chlorine is the non-metal.
It is important to remember that binary ion compounds are electrically charged ionic molecules formed by a metal and not a non-metal.
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What makes solids, liquids, and gases different. Explain the hypothesis, prediction and experiments that can lead to scientific theory.
Answer: Gases, Liquids, and Solids
Gases
Explanation:
Behavior
gas liquid solid
assumes the shape and volume of its container
particles can move past one another assumes the shape of the part of the container which it occupies
particles can move/slide past one another retains a fixed volume and shape
rigid - particles locked into place
compressible
lots of free space between particles not easily compressible
little free space between particles not easily compressible
little free space between particles
flows easily
particles can move past one another flows easily
particles can move/slide past one another does not flow easily
rigid - particles cannot move/slide past one another
a hypothesis is a prediction based on a theory. If the Hypothesis comes true the theory is more accepted.
A scientific theory differs from a scientific fact or scientific law in that a theory explains "why" or "how": a fact is a simple, basic observation, whereas a law is a statement (often a mathematical equation) about a relationship between facts.
A reaction that had two compounds as reactants and two compounds as products is most likely a
double-replacement reaction
What is the mass of 0. 513 mol Al2O3? Give your answer to the correct number of significant figures. (Molar mass of Al2O3 = 102. 0 g/mol) 0. 513 mol Al2O3 = g Al2O3.
The mass of a 0.513 mol of Al2O3 is 52.33g.
HOW TO CALCULATE MASS:
The mass of a substance can be calculated by multiplying the molar mass of the substance by its number of moles. That is;
mass of Al2O3 = no. of moles of Al2O3 × molar mass of Al2O3
According to this question, there are 0.513 moles of Al2O3.
Mass of Al2O3 = 0.513 × 102
Mass of Al2O3 = 52.33g
Therefore, the mass of a 0.513 mol of Al2O3 is 52.33g.
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How many totals atoms are present in the compound : Mg(OH)2
A. 3
B. 4
C. 5
D. 7
1 atom Mg, 2 atoms O and 2 atoms H.
1 + 2 + 2 = 5, so correct answer is C
Please help me with this
Beer Lambert Law Explanation
Answer:
The Beer–Lambert law, also known as Beer's law, the Lambert–Beer law, or the Beer–Lambert–Bouguer law relates the attenuation of light to the properties of the material through which the light is travelling.
Explanation:
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In the TCA cycle, ____ oxidation(s) use(s) NAD as the oxidizing agent while ____ oxidation(s) use(s) FAD as the oxidizing agent.
Tricarboxylic acid cycle often occur in stages. In the TCA cycle, 3 oxidation(s) use(s) NAD as the oxidizing agent while 1 oxidation(s) use(s) FAD as the oxidizing agent.
Tricarboxylic acid cycle commonly called TCA cycle is also regarded as the Krebs cycle and citric acid cycle. It is known to be the second stage of cellular respiration.It consist of a three-stage process where living cells uses organic fuel molecules in the presence of oxygen to take-up energy that is needed for growth and division.
See full question below
In the TCA cycle, ____ oxidation(s) use(s) NAD + as the oxidizing agent while ____ oxidation(s) use(s) FAD as the oxidizing agent.
a. 0; 4
b. 1; 3
c. 2; 2
d. 3; 1
e. 4; 0
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When a solution of cesium chloride (CsCl) is subjected to high-speed centrifugation, a stable density gradient is formed.
a. True
b. False
copper cannot be used as an anode in electrolysis of water
Answer:
I hope this will help
Explanation:
Copper is purified by electrolysis . Electricity is passed through solutions containing copper compounds, such as copper(II) sulfate. The anode (positive electrode ) is made from impure copper and the cathode (negative electrode) is made from pure copper.
calculate the molarity of a 50.0 ml of a 0.150 m hcl solution when 30.0 ml of water is added.
Answer:
0.09375 M
Explanation:
You want to use the following equation:
M1*V1=M2*V2
Then plug in the 50ml to V1 and 0.15M to M1 and 80ml to V2 (add the 50 and 30). The next thing you want to do is change the mL to liters, since Molarity is moles/liter. Once that is done, solve algebraically for answer.
** Also don't forget to capitalize the M when you mean Molarity, because it is different than m.**
Hope this helps!
Circle the compound below that does not contain an alkaline earth metal.
Ca(OH)2, Sro, Mg3N2, NaOH, MgCl2, Bas
NaOH.
Na = Sodium which is in group 1 of periodic table which are alkaline metals. all the others are alkaline earths as they are all in group 2.
what makes matter change from one state to another?
Answer: Adding or removing energy from matter
Explanation:
Give one use of magnesium chloride
Answer:
Magnesium Chloride is used as a precursor magnesium metals.
Explanation:
what are three physical properties with constant value
Answer: Certain physical constants (e.g., melting point, boiling point, density, refractivity, solubility) can be found in the literature for many compounds, whereas others (e.g., specific rotation) are characteristic of different groups of compounds and are known for almost all of them.
Explanation:
To find the number of neutrons in a atom, you subtract the number of_____ from the mass number.
You can simply subtract the atomic number from the mass number in order to find the number of neutrons.
In water is the mass of one molecule equal to the mass of one molecule in steam
Answer:
The mass of one mole of water molecule = 18 ×N
A amu
Explanation: The mass of one mole of water molecule = Mass of one molecule ×N A Also mass of one mole of water is its molar mass in grams. So the mass of one mole of water is 18 g
