Answer:
418.352441397 Liters
Explanation:
You start off with your equation of PV=nRt, where P= Pressure, V= Volume, n= The amount of moles, R= the gas constant which is 0.0821, and t= The temperature.
You are solving for volume so you would divide the left side by P so you can isolate the Volume. Now you have V=nRt/P.
Next you would fill in all of the variables. n=5.1169, R=0.0821, t=911K, and P=0.9148atm.
You would get the equation V=(5.1169*0.0821*911)/0.9148
Your final answer would be 418.352441397 Liters, or rounded to 418.35 Liters.
The volume of the container is 418.15 L
Ideal gas lawFrom the question, we are to determine the volume of the container
From the ideal gas equation, we have that
PV = nRT
Where P is the pressure
V is the volume
n is the number of moles
R is the gas constant ( R = 0.08206 L.atm.mol⁻¹.K⁻¹)
and T is the temperature
From the given information
P = 0.9148 atm
n = 5.1169 mol
T = 911 K
Putting the parameters into the formula, we get
0.9148 × V = 5.1169 × 0.08206 × 911
Then,
[tex]V = \frac{5.1169 \times 0.08206 \times 911}{0.9148}[/tex]
V = 418.15 L
Hence, the volume of the container is 418.15 L
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Which option is an element?
A. carbon dioxide
B. water
C. air
D. carbon
Sea level changes occur at a rate of 10 m per 1,000 years.
How much will the sea level change over 100,000 years?
O 10 m
O 1,000 m
O 10.000 m
100,000 m
will give brainliest who is right
Answer:
the answer is 1,000 m
Explanation:
Based on your answer in part F, what must happen to the sodium acetate for it to dissolve in the water again? Safely test your method using only those materials available in the equipment list. Does the sodium acetate dissolve again with your chosen method?
When sodium acetate is dissolved in water, it is hydrolyzed into ions.
What happen when sodium acetate dissolved in water?When a salt of weak acid or base is dissolved in water, this salt hydrolysis in it. Water ionises into hydroxide and hydrogen due to addition of sodium acetate. In water, sodium acetate splits into sodium and acetate ions.
So we can conclude that when sodium acetate is dissolved in water, it is hydrolyzed into ions.
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Electricians work on our electric post without being electrocuted, why is this possible? *
they wear PPE’s
they wear raincoats
they wear rubber gloves
they wear beautiful clothes
Answer:
Because they wear rubber gloves
according to newtons law of universal gravitation, how are gravitational force and the distance between objects related
Answer:
they are inversly related
Explanation:
As the force increases distance decreases .They are related with an equation
F= Gm1×m2/r^2
A 104 m3 thoroughly mixed pond has a water inflow and outflow of 5 m3/h. The inflow water contains 0.01 mol/m3 of chemical. Chemical is also discharged directly into the pond at a rate of 0.1 mol/h. There is no reaction, volatilization, or other losses of the chemical; it all leaves in the outflow water. (i) What is the concentration (C) in the outflow water?
Answer:
C ≈ 1.44 × 10⁻³ mol/m³
Explanation:
The given information are;
The liquid volume the pond can hold = 104 m³
The volume of inflow into the pond = 5 m³/h
The volume of outflow into the pond = 5 m³/h
The concentration of the chemical in the inflow water = 0.01 mol/m³
The concentration of the chemical discharged directly into the water = 0.1 mol/h
The concentration, [tex]c_{(inflow)}[/tex], of chemical that enters the water through inflow per hour is given as follows;
[tex]c_{(inflow)}[/tex] = 0.01 mol/m³ × 5 m³/h = 0.05 mol/h
The concentration, [tex]c_{(discharge)}[/tex], of chemical that enters the water through direct discharge per hour is given as follows;
[tex]c_{(discharge)}[/tex] = 0.1 mol/h
The total concentration that enters the pond per hour is given as follows;
[tex]c_{(inflow)}[/tex] + [tex]c_{(discharge)}[/tex] = 0.1 mol/h + 0.05 mol/h = 0.15 mol/h
Whereby the water in the pond properly mixes with the pond, we have;
The concentration of chemicals (C) in the outflow water = 0.15 mol/(104 m³) ≈ 0.00144 mol/m³
C ≈ 1.44 × 10⁻³ mol/m³.
how to create a particle model that would be more dense than a depicted one?
Answer:
make the particles close together (eg a solid is more dense than liquids as it has a fixed shape)
which of the following is a chemical property of aluminum
a}the melting point of aluminum 660 degrees Celsius
b}the boiling point of aluminum is 2519 degrees Celsius
c}aluminum does not dissolve in water
d} aluminum reacts with oxygen
Answer:
I think it’s b
Explanation:
The boiling point of aluminum is 2519 degrees Celsius ( hope this helps! )
No question, just wanted to know how y'all doing.
Answer:
Ello and im good
Explanation:
Answer:
Hello good how are you
Explanation:
What is the molar mass of carbon disulfide (cs2)
A solution is prepared with 3. 26 g KCl and water to make 25. 0 mL of KCl. What is the % (m/v) of the KCl solution
Answer:
13.04%
Explanation:
m/v = g/mL *100 = 3.26/25*100
A rod of iron of uniform density has a thickness such that a one-inch-long segment of it weighs 3. 88 ounces. Given that there are 0. 035273 ounces in a gram and 2. 54 centimeters in an inch, how many grams would a 14. 79 cm length of the same iron rod weigh? a. 73. 30 g b. 274. 49 g c. 640. 51 g d. 1,626. 89 g.
The number of grams of iron present in 14.79 cm length of the same iron rod is 640.51 g.
What is ounces?Ounces is a unit of mass which is used to define a very little amount of anything.
In the question, given that:
In one inch of iron rod whose weighs is 3.88 ounces = 2.54 cm long
In 1 g = 0.035273 ounces present
So we can calcuylate the number of grams in which 3.88 ounces present as:
x = (3.88 ounces) / (0.035273 ounces/g)
x = 110g
So, in 110g = 3.88 ounces present
And in 2.54 cm = 110g of iron present
In 14.79 cm, present grams of iron can be calculated as:
y = (14.79cm x 110g) / 2.54cm
y = 640.51 g
Hence option (c) is correct i.e. 640.51 g.
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The weight of the iron rod with 14.79 cm length with same density is given by: Option C; 640.51 g
How are density, volume and mass of a substance related?Suppose that a finite amount of substance is there having its properties as:
mass of substance = m kgdensity of substance = d kg/m³volume of that substance = v m³Then, they are related as:
[tex]d = \dfrac{m}{v}[/tex]
We know that:
1 ounce = 28.3495 g approxNow, from the facts given in the problem, we have:
The weight of first iron rod which is one inches long = 3.88 ounces
The new rod is 14.79 cm long. And 1 cm = 0.3937 inches approx, thus the new rod is: [tex]14.79 \times 0.3937 \approx 5.8228 \: \rm inches[/tex]
As for 1 inch long rod, there is weight of 3.88 ounces, thus:
for 5.8228 inch rod, the weight of the rod would be [tex]5.8228 \times 3.88 \approx 22.5924 \: \rm ounces[/tex]
And since 1 ounce = 28.3495 g approx
Thus, weight of the new rod in grams would be [tex]22.5924\times 28.3495 \approx 640.485 \approx 640.51\: \rm g[/tex]
Thus, the weight of the iron rod with 14.79 cm length with same density is given by: Option C; 640.51 g
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What type of bond is Ca + Ar?
a. neither
b. ionic
c. covalent
d. metallic
Answer:
c
Explanation:
QUESTION :WHAT TYPE OF BOND IS CA + AR
ANSWER :
C .
COVALENT.
HOPE IT HELP
THANK ME LATER.
Espresso Coffee House is designing a coffee mug that keeps liquids hot. The research department tested several different materials for their ability to keep a normal-sized cup of coffee hot the longest amount of time. The testing room temperature is approximately 25 degrees Celsius. Write a scientific explanation to justify the selection of material, A, B, or C, used to create the cup that would keep the coffee the hottest for the longest period of time.
Answer:
This question is incomplete
Explanation:
This question is incomplete because the result of the described experiment would have better determined the type of scientific explanation to profer. However, the type of material that will preserve the relative hotness or temperature of the hot coffee for the longest time will be a material than can resist heat transfer. These materials tend to keep hot substances hot by not allowing the heat of the coffee to be conducted or pass through it. These materials are mostly insulators or made by placing an insulator between two heat conductors.
Generally, heat is usually transferred from a region of higher concentration to a region of lower concentration, hence when the heat is denied of this transfer, the heat will remain trapped in the "heat-donor" substance (in this case the hot coffee). Thus, the material chosen (A, B or C) will be the material that resists heat transfer the most based on the explanation above.
What causes the move from one era to another era?
Answer:
most likely climate changes and or mass extinction
Explanation:
Answer:
Look below
Explanation:
Climate changes.
Which of the following are parts of the central nervous system? Check all
that apply."
- brain
- peripheral nerves
- kidneys
- spinal cord
How many more electrons does sodium want according to the Octet rule?
how many grams are there in 0.6 moles of beryllium iodide, Bel2?
Convert mole to gram multiply it by the molar mass of BeI2
BeI2 molar mass = 262.8122g
0.6 moles x 262.8122g = 157.68g BeI2
When a bow is used, it is important that an arrow is on the string when the string is released. If the string is pulled back and released without an arrow, the bow will likely get damaged and the archer will likely get hurt. However, if an arrow is used with the bow, releasing the pulled back string makes the arrow fly. Use what you have learned about energy to explain why it is so important to have an arrow on the string
Work is done when the arrow is released from the bow. When this work is not done, the bow is damaged.
What is energy conversion?We know that energy is neither created nor destroyed rather is converted from one form to another. When the string of the bow is pulled back the elastic potential energy does work and the arropow is released. The elastic potential energy is converted to the kinetic energy of the moving arrow.
However, when this work is not done, the whole energy in the string does work on the bow thereby damaging it.
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A piece of sodium metal is added to a beaker of water. One of the products is hydrogen gas. Name the other product. Give the full name, not the symbol.
Answer:
Sodium Hydroxide!
Explanation:
When a metal combines with water, metal hydroxide is formed, as well as hydrogen gas.The equation in which the total number of individual atoms on the reactant side equals the total number of individual atoms on the product side is known as a balanced chemical equation.For the reaction of sodium metal with water, a balanced chemical equation is as follows: 2 Na +2 H20 ---> H2 + 2 NAOH- The equation above is balanced.
By Stoichiometry of the reaction:2 moles of sodium metal reacts with 2 moles of water to produce 2 moles of sodium hydroxide and 1 mole of hydrogen gasHence, the other product in the given reaction is sodium hydroxide
Which of the following laboratory equipment is used to provide heat?
a
b
Google
Answer:
A sun
Explanation:
sunThe core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat.
A gas at constant volume has a pressure of 2. 80 atm at 400. K. What will be the pressure of the gas at 360. K? 2. 52 atm 2. 94 atm 3. 11 atm 3. 78 atm.
Answer:
2.52atm for sure
Explanation:
We know that:
P1= 2.80atm
T1= 400k
T2= 360k
And we want to find P2= ?
We have an equation: P1/T1 = P2/T2
Multiple both side by T2 to remove it
P2 = 2.52
2. Given the chemical formulas of the following compounds, name each compound and state the rules you used to determine each name.
• KI
• Fe2O3
• (NH4)3PO4
Answer:
Explanation:
KI:
The name of salt consist of two parts. The first part is the name of metal and second is the name of nonmetal.
So we name the cation first and then anion.
IN given formula cation is potassium while anion is iodine.
The -ine of anion is converted into -ide. Thus the name will be potassium iodide.
Fe₂O₃
First of all we will write the name of cation and then anion.
Iron oxygen
Then the we will add -ide at the end of name of anion such as, oxide, chloride, fluoride etc.
Iron oxide
Now we will calculate the charge on oxygen and iron. We know that the charge on oxide is -2 and thus the total charge on oxygen is 3(-2) = -6. Thus iron must have +3 oxidation state to cancel the charge and make compound neutral. It means 2(+3) = +6
The oxidation state of transition metal will be written in parentheses.
Iron(III) oxide
(NH₄)₃PO₄
To write the name we must know which is cation and which is anion.
In given formula NH₄⁺ is cation and it carry +1 charge while PO₄³⁻ is anion and it carry -3 charge.
When we write the name we write first the name of cation and then anion.
Here the cation name is ammonium while anion name is phosphate thus the name of compound is ammonium phosphate.
In order to make the compound neutral the opposite charges must be equal to cancel each other.
That's why three ammonium ions are attached with one phosphate ion to make the compound neutral.
The pOH of a solution is 6. 0. Which statement is correct? Use p O H equals negative logarithm StartBracket upper O upper H superscript minus EndBracket. And p H plus P O H equals 14. The pH of the solution is 20. 0. The concentration of OH– ions is 1. 0 times 10 to the negative 8 moles per liter. The concentration of OH– ions is 1. 0 times 10 to the 6 moles per liter. The pH of the solution is 8. 0.
The pOH of a solution is 6, then the pH of the solution is 8 moles per liter.
What is pOH?pOH of any solution defines as the negative logarithm of the concentration of hydroxide ions (OH⁻).
In the question given that,
pOH of the solution = 6
i.e. -log[OH⁻] = 6
[OH⁻] = 10⁻⁶
Also we know that, pH + pOH = 14
pH = 14 - 6 = 8 mol/L
Hence, pH of the solution is 8 mol/L.
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Scientists studying the xylem and phloem in a plant often compare them to the heart and blood vessels in an animal because both are
Select one:
A: the main sites of cellular respiration in the organism.
B: used to transport carbon dioxide waste out of the organism.
C: specialized structures that transport materials.
D: tissues that carry blood throughout the organism.
How do the forces compare when different objects collide?
Answer:Newton's third law of motion is naturally applied to collisions between two objects. In a collision between two objects, both objects experience forces that are equal in magnitude and opposite in direction. Such forces often cause one object to speed up (gain momentum) and the other object to slow down (lose momentum
Explanation:
Which of the following are negative consequences of cobalt mining in the Democratic Republic of Congo? Select the two correct answers.(1 point)
Thousands of children work in cobalt mines.
Increased cobalt mining causes a decrease in gold mining.
Dust from cobalt mines causes lung and skin damage.
The demand for cobalt is expected to double in the next 10 years.
Cobalt is sent to processing plants overseas.
Some of the negative consequences of cobalt mining are pollution and child trafficking.
Effects of cobalt miningMany young children are made to work in mines generally either due to continued struggle for survival or forced into it by child traffickers.
Apart from that, cobalt mining causes pollution in the environment. Inhalation of dust containing cobalt causes a host of health issues such as lung cancer and damage to human skin.
Other effects include soil degradation and pollution, water pollution due to mine run-offs, etc.
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Answer:
one.
Which of the following are negative consequences of cobalt mining in the Democratic Republic of Congo? Select the two correct answers.
Dust from cobalt mines causes lung and skin damage.
Thousands of children work in cobalt mines.
2.
Which of the following statements about recycling electronic waste is true?
Minerals can be extracted from recycled electronics.
3.
Which of the following resources is a conflict mineral used in smart devices?
tin
Explanation:
its all right 200% if you dont hink so thats all right check for your self
What is the Atomic weight Of Neon/ Ne in elements.
Answer:
20.1797 u or g/mol
Explanation:
I looked it up.
1.8 L of a 2.4M solution of NiCl2 is diluted to 4,5 L. What is the resulting concentration of the diluted solution?
an element (gas) used to make colorfully lit advertising signs
Neon element which is in gaseous form is used in lit advertising signs as it emits reddish orange glow on passage of current through it.
What is an element?It is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.
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