A 1.0 liter flask contains 90.1 moles of water vapor at 27.0 oC. What is the pressure of the gas?
Answer:
The pressure of the gas is 224839.8 atm
Explanation:
As we know
PV = nRT
Substituting the given values, we get -
P * 1 L = 90.1 moles * 8.314 4621(75). J K−1 mol−1 * 300
P = 224839.8 atm
The pressure of the gas is 224839.8 atm
how do you make a potion of slow falling
Answer:
So you can make it longer by putting in some redstone. And this will give you a potion that will last for 4 minutes. Alright we're done it's got 4 minute slow falling potions.
Explanation:
Answer:
Ok, to make a slow falling potion, you need 1 water bottle, 1 nether wart, and 1 fantom membrane.
Explanation:
hope I could help, lmk if I did!
how many torr is 2.7 atm?
2.7 atm = ? torr
Answer:
2.7 atm = 2052 torr
I hope this helps you.
Answer:
2052 torr
Explanation:
Multiply 2.7 atm by the conversion factor to torr which is 760 torr = 1 atm
Make up a short story to explain jays speed and acceleration change throughout his walk. Make sure to address parts A-D
Answer:
Speed of jays increases first, again increases, decreases and then increases.
Explanation:
The speed of jays increases while moving from rest to point A and no acceleration due to constant speed. From point A to point B, the speed is continues to increase and no acceleration. From point B to point C, the speed of jays decreases and acceleration is produced in the journey due to change of speed and from point C to point D, the speed of jays again increases and acceleration is produced due to increasing the speed.
Answer:
The speed of jay's walk increases first, again increases, then it decreases and then increases due to his acceleration walk during parts A-D.
Explanation:
Graphene is made of pure _______________.
Answer:
Graphene is made of pure carbon.
Explanation:
It is a material in which the carbon atoms are arranged in a single layer, creating a honeycomb pattern. It should be stressed that this layer of carbon is only one atom thick, although some authors consider up to ten layers of carbon to be graphene.
please mark me brainliest
what is the name of the chemical used for bleach in sugar industries?
Answer:
Sulfur Dioxide
Explanation:
Sulfur dioxide is the chemical that, when released by factories using fossil fuels, combines with the atmosphere and can produce acid raid.
Which term identifies a type of intermolecular force?
A.
covalent bonding
B.
hydrogen bonding
C.
ionic bonding
D.
metallic bonding
Answer: B. Hydrogen Bonding
Explanation: I got it right on castle learning lol
There are different kinds of forces. The term that identifies a type of intermolecular force is hydrogen bonding.
The three known to be types of intermolecular interactions. They are
Dipole–dipole interactions London dispersion forces hydrogen bonds.
Hydrogen bonding is known to be an intermolecular force that takes place between two molecules. That molecule is known to have a hydrogen atom be bonded to a nitrogen, oxygen, or fluorine atom.
Learn more about Bond from
https://brainly.com/question/1420470
Forensic biologist Manning is looking at a cell sample under the microscope. The cell she sees is oval, with a long tail or flagellum. Immediately, she knows that this is a ________ cell.
red blood
skin
sperm
plant
Answer:
Sperm Cell
Explanation:
which of the following is true about these diagrams
Answer:
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State of matter
A gas made up of homonuclear diatomic molecules escapes through a pinhole 3.98 times as fast as oxygen gas. Write the Chemical formula of the gas.
Answer:
H₂
Explanation:
To solve this question we must find, as first, find the molar mass of the homonuclear diatomic gas using Graham's law. With the molar mass we can identify this gas
Graham's law:
[tex]\frac{V_a}{V_b} =\sqrt{\frac{m_B}{m_A} }[/tex]
Where V is the speed of the gases and m the molar mass of those:
As Va is 3.98 times Vb (And mB is molar mass of oxygen gas = 32g/mol)
[tex]3.98 =\sqrt{\frac{32g/mol}{m_A} }[/tex]
15.84 = 32g/mol / mA
mA = 2.02g/mol
As is a homonuclear diatomic gas, the molar mass of the atom is 1.01g/mol. Thus, the gas is:
H₂. What is the molarity of 5.30 moles of NaCl dissolved in 0.400 L of solution?
Answer:
13.25 M
Explanation:
Molarity is moles over liters so simply plug your values in as such:
5.30 mol ÷ 0.400 L = 13.25 M
PLEASE HELP HELP ME. THIS IS DUE TODAY PLEASE
Answer:
B, C
Explanation:
Hope it helps i read it all
Se tienen 1.5 litros de hipoclorito de sodio concrntrado (6.1%) y se requiere preparar 1.0 litros de hipoclorito de sodio al 0.5% URGE!!!!!! POR FAVOR
Answer:
Tomar 82 mL de solución concentrada y agregar agua hasta un volumen final de 1.0 L.
Explanation:
Tenemos una solución concentrada de hipoclorito de sodio, cuya concentración es 6.1%, por lo tanto:
Cc = 6.1 %
Y debemos hacer una dilucion para obtener una solucion diluida con:
Cd = 0.5%
Vd = 1.0 L
Por lo tanto, podemos usar la siguiente fórmula para calcular el volumen a tomar de solucion concentrada (Vc):
Cc x Vc = Cd x Vd
⇒ Vc = (Cd x Vd)/Cc = (0.5% x 1.0 L)/6.1% = 0.082 L
0.082 L x 1000 mL/1 L = 82 mL
Por lo tanto, para preparar la solución debemos tomar 82 mL de solucion concentrada de hipoclorito de sodio 6.1% y agregar agua hasta un volumen final de 1.0 L.
answer asap pls i give brainliest
Answer:
B. Revolution is a planet's movement around the sun causing four seasons the occur. Rotation is the spinning of the planet on its axis causing day and night.
so2+o2 = so3 método de tanteo
Answer:
I dont understand
Explanation:
818191919
What is the purpose of a buffer?
Answer: A buffer solution is a solution made to prevent the pH level of something from changing when you add a base or an acid to it. For example, if you put a buffer solution in a pool, and then you put chlorine in it, the chlorine's effect on the PH level will be suppressed.
Bobby has a toy car that is sitting at rest on the floor. He decides to play with his toy car and pushes it with 3 newtons to the right. Bobby's friend Sam also decides to play with the toy car and pushes it with 6 newtons to the left at the exact same time. Which of the following best describes the resulting motion of the toy car? A It travels to the right at an increasing speed. B It travels to the right at a constant speed. C It travels to the left at an increasing speed. D It travels to the left at a constant speed.
Answer: D
Explanation:
The car will move to the left because Sam is implying a grater force (3 N < 6 N) but it is traveling at a constant speed because there is still a force being acted upon it. <3
The result of applying forces to a toy car is required.
Option D is correct.
Force applied by Bobby is 3 N to the right
Force applied by Sam is 6 N to the left
Right is taken as positive and left is taken as negative.
m = Mass of toy
a = Acceleration
Net force applied to the toy
[tex]F=3-6\\\Rightarrow F=-3\ \text{N}\\\Rightarrow ma=-3\\\Rightarrow a=\dfrac{-3}{m}[/tex]
So, the toy will move left with a constant acceleration.
Constant acceleration means its speed will be increasing.
So, option D is correct.
Learn more:
https://brainly.com/question/18373733?referrer=searchResults
How much so you can be dissolved and 50 mL of water at 30 Celsius see chart:)
Answer:
The correct answer is - 100 grams.
Explanation:
The solubility graph is a very useful tool because it tells you the amount of solute that can be dissolved per 100 mL of water in order to have a saturated solution of potassium nitrate at a given temperature.
In order to find the solubility of the salt at 30 ∘ C , start from the 30 ∘ C
mark on the graph and move up until you intersect the curve. At the point of intersection, move left until you intersect the y axis and read off the value that you land on which is 200. However, it is for 100 ml so half the value you read:
200/2 = 100 gram .
So, solubility ≈ 100 g / 50 mL water
So, a saturated solution of solute will hold about 100 g of dissolved solute, that is of dissociated solute, per 50 mL of water at 30 ∘ C .
A gas is heated from 263.0 K to 298.0 K and the volume is increased from 24.0 liters to 35.0 liters by moving a large piston within a cylinder. If the original pressure was 1.00 atm, what would the final pressure be?
Answer:
The final pressure is approximately 0.78 atm
Explanation:
The original temperature of the gas, T₁ = 263.0 K
The final temperature of the gas, T₂ = 298.0 K
The original volume of the gas, V₁ = 24.0 liters
The final volume of the gas, V₂ = 35.0 liters
The original pressure of the gas, P₁ = 1.00 atm
Let P₂ represent the final pressure, we get;
[tex]\dfrac{P_1 \cdot V_1}{T_1} = \dfrac{P_2 \cdot V_2}{T_2}[/tex]
[tex]P_2 = \dfrac{P_1 \cdot V_1 \cdot T_2}{T_1 \cdot V_2}[/tex]
[tex]P_2 = \dfrac{1 \times 24.0 \times 298}{263.0 \times 35.0} = 0.776969038566[/tex]
∴ The final pressure P₂ ≈ 0.78 atm.
answer truthfully:))
Answer:
Formula: [tex]Velocity \: V = f \lambda \\ Solution: = 5 \times 0.8 \\ = 4 \: {ms}^{ - 1} [/tex]
Answer:
The first guy is correct. That's what I got too
5. The number of atoms in 9.2 g of Na will be: A. 6.2 x 1023 atoms B. 2.408 x 1023 atoms C. 9.2 x1023 atoms D. 23 atoms E. 9.2 atoms
Answer:
The answer is "Option B"
Explanation:
Formula:
Na atoms= Na atoms moles \times NA
[tex]= \frac{mass}{Na \ Molar\ mass} \times 6.022 \times 10^{23}\\\\= \frac{9.2}{23} \times 6.022 \times 10^{23}\\\\=0.2875 \times 6.022 \times 10^{23}\\\\=2.4 \times 10^{23}\ atoms \\\\[/tex]
What is the systematic name of the following compound?
CaF 2
IS ANYONE GOOD AT CHEMISTRY?! i need help please lol
Answer:
I'm ok at it.
Explanation:
I can try to help if you need anything:)
What did Rutherford contribute to the model of the atom?
the neutron
the proton
the nucleus
the electron
Answer:
the nucleus
Explanation:
He proposed that the mass of an atom is concentrated in the nucleus which occupies a small volume in the center .He added that the nucleus comprises the protons and neutrons.where the neutron had no charge while the protons had charge of +1
Answer:
the nucleus
Explanation:
9.49.8 grams of Kl is dissolved in 1.00 kg of solvent. What is the molality?
Answer:
Molality = 9.498 mol k g − 1
Explanation:
A final way to express the concentration of a solution is by its molality. The molality ( m ) of a solution is the moles of solute divided by the kilograms of solvent. A solution that contains 1.0 mol of NaCl dissolved into 1.0 kg of water is a “one-molal” solution of sodium chloride.
molality = number of moles of solute/ mass of solvent in kg
number of moles of KI = mass of KI / molar mass of KI
number of moles of KI = 9.49.8 g / 1.00 g m o l − 1
number of moles of KI = 9.498 moles
molality = 9.498 moles / 1kg
molality = 9.498 mol k g − 1
What is the molarity of a solution where one mole of NaOH is added to 2000mL of water
Answer:
Molarity of a solution where one mole of NaOH is added to 2000mL of water is 0.0005
Explanation:
Molarity is the equal to number of moles of solute divided by total volume of solvent
Given -
Number of moles of solute i.e NaOH = 1
Total volume of solvent i.e water = 2000 mL
Molarity [tex]\frac{1}{2000} = 0.0005[/tex]
grams. Number only, rounded to the
One mole of silver weighs
hundredths place (.01) *Y
Answer:
107.87 grams
Explanation:
One mole of silver weighs 107.87 grams .
What effect does an increase in carbon dioxide (CO 2 ) have on the concentration of hydrogen ions (H^ + ) in the blood?
Answer:
As the level of carbon dioxide in the blood increases, more H+ is produced and the pH decreases. This increase in carbon dioxide and subsequent decrease in pH reduce the affinity of hemoglobin for oxygen. The oxygen dissociates from the Hb molecule, shifting the oxygen dissociation curve to the right.
If you put a link, you will be reported.
Answer:
5ppm
Explanation:
there are 1 million (1,000,000) µg (micrograms or mcg) per g (gram) ("micro" means millionth). So, 4. 1 part per million (ppm) for a 1g sample is 1 µg or .
I know you said no links, but this is a converter that explained it much better than I know how to
http://www.endmemo.com/sconvert/ppmug_g.php#:~:text=%C2%BB%20Microgram%2Fgram%20Conversions%3A&text=ug%2Fg%E2%86%94ppm%201%20ug%2Fg%20%3D%201%20ppm
heres a screenshot of the site (since i understand links are awful)
This attached picture !!
