5.6 atm is the partial pressure of the rest of the gases in the container other than the oxygen.
What is partial pressure?Each gas in a mixture adds to the overall pressure of a mixture. This portion represents the pressure. The pressure a gas would have if it were in its own volume and at its own temperature is known as the partial pressure. According to Dalton's law, the pressure distribution of an ideal gas mixture is equal to the combined partial pressures of the component gases.
The study of partial pressure is significant in the domains of physics, chemistry, and biology. The partial pressure of oxygen or carbon dioxide in the blood is used to calculate blood levels of each substance. The overall pressure in a container is equal to the sum of the partial pressures. The remaining gases must make up the remaining 5.6 atm if the oxygen partial pressure equals 4.2 atm and the sun reaches 9.8 atm in pressure.
Therefore, 5.6 atm is the partial pressure of the rest of the gases in the container other than the oxygen.
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kaillie was talking and was distracted as she stirred sugar into her tea. when she finally noticed, there was a few crystals of sugar in the bottom of her cup that would not dissolve. what type of tea solution did kaillie?
a. unsaturated
b. saturated
c. supersaturated
d. cannot be determined
Answer:
Supersaturated
Explanation:
The tea has absorbed and dissolved as much sugar as it could. If there is sugar left at the bottom, it means the solution is supersaturated because it can't absorb any more.
Which type of energy resource uses heat from underground to create
electricity?
A. Solar energy
B. Biomass
C. Geothermal energy
D. Nuclear energy
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.
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How many liters (L) of water need to be added to prepare 4800mL of 0.5M NaCl from a 3M NaCl stock solution? (Use the formula M1V1=M2V2)
Answer: There is 0.8 liters (L) of water required to be added to prepare 4800mL of 0.5M NaCl from a 3M NaCl stock solution.
Explanation:
Given: [tex]M_{1}[/tex] = 0.5 M
[tex]V_{1}[/tex] = 4800 mL
Convert mL into L as follows.
[tex]1 mL = 0.001 L\\4800 mL = 4800 mL \times \frac{0.001 L}{1 mL}\\= 4.8 L[/tex]
[tex]M_{2}[/tex] = 3 M
Formula used to calculate the volume of water required as follows.
[tex]M_{1}V_{1} = M_{2}V_{2}[/tex]
Substitute the values into above formula.
[tex]M_{1}V_{1} = M_{2}V_{2}\\0.5 M \times 4.8 L = 3 M \times V_{2}\\V_{2} = \frac{0.5 M \times 4.8 L}{3 M}\\= 0.8 L[/tex]
Thus, we can conclude that 0.8 liters (L) of water need to be added to prepare 4800mL of 0.5M NaCl from a 3M NaCl stock solution.
Sodium oxide reacts with water to make sodium hydroxide.
1. Write and balance the equation.
2. List all the mole ratios.
3. How many moles of water are needed to react with 18.4 moles of sodium oxide?
4. How many grams of sodium hydroxide are formed when 4.5 moles of sodium oxide react with excess water?
5. How many grams of water are needed to make 5.65 moles of sodium hydroxide?
6. How many grams of sodium hydroxide are formed when 23.7 g of sodium oxide react with excess water?
7. How many liters of water are required to form 93.4 g of sodium hydroxide?
Answer:
So the total mass is 50 plus 150 grams the heat capacity 4.18 joules per gram per degree C. And the temperature change is 36 minus 25 and so we can calculate Delta H for the reaction that takes place.
Explanation:
What is the total volume of water that you have if you calculated that it
weighs 180g?
(I found this meme on Pinterest)
So what if when we get reincarnated on our tomb stone should we really write R.I.P or B.R.B?
lol don't report me my I asked my TEACHER this and she is wondering the same thing so this does effect me academically.
BRAINLIEST NO LINK OR REPORTED A beach ball has a volume of 2.5 L of gas while at a temperature of 500 K. If the volume decreases to 2 L, what is the new temperature?
a. .25 K
b. 250 K
c. 400 K
d. 4k
Answer:
250k
I Really This Helps A Little Bit.
When first mixed, concrete can be described as (Blank)
, which means it can take the shape
of the formwork provided.
Sample A has a mass of 40g and a volume of 10cm^3. Sample B has a volume of 15cm^3 and a mass of 45g. Which sample has a greater density? Show your work.
The Answer Is Sample A
Density -
[tex]density = \frac{mass}{volume} [/tex]
Input The Formula For Both Equations To Find Density.
Sample A -
[tex]d = \frac{40}{10} [/tex]
[tex]d = 4[/tex]
Sample B -
[tex]d = \frac{45}{15} [/tex]
[tex]d = 3[/tex]
Why is KOH considered to be a base? A. It has a high concentration of OH+ ions in solution. B. It has a high concentration of H+ ions in solution. C. It has a high concentration of H- ions in solution. D. It has a high concentration of OH- ions in solution.
Answer:
D. It has a high concentration of OH- ions in solution.
What do electrochemical cells use to generate electricity?
Answer:
flow of electrons
Explanation:
took the quiz
Name and element in the 6th period that wants to lose an electron.
Answer:
donald trump
Explanation:
If you have 0.50 L of 0.45 M sodium bromide. How many grams of sodium bromide are present?
Answer:
23.175g
Explanation:
0.45 mole of NaBr is in 1 liter
? moles of NaBr is in 0.50 liter
0.50 × 0.45 = 0.225 of NaBr
1 mole of NaBr = 23 + 80 = 103g
0.225 moles of NaBr = ?
0.225 × 103 = 23.175g
25 Which factor causes global wind patterns?
A changes in the distance between Earth and the Moon
B unequal heating of Earth's surface by the Sun
C daily changes in the tilt of Earth's axis
D rapid rotation of the Sun on its axis
Answer:
B
Explanation:
On the luminosity chart, temperature increases as you read it to the right. True or False?
Answer:
Explanation:
True
Which feature causes a gap in the geologic record?
extrusion
fault
o intrusion
erosion
Answer:
Hi, there the answer is
A)extrusion
Explanation:
The feature that causes a gap in the geologic record is called extrusion.
What is extrusion in geologic record?Sometimes magma can force itself through a crack or fault in the rock at the Earth's surface. It pours out over the Earth's surface in a volcanic eruption. This process is called extrusion. The rocks that form from extruded magma are called extrusive igneous rocks.
Direct Extrusion, Indirect Extrusion, Hydrostatic Extrusion and Lateral or Vertical Extrusion are some types of extrusion.
Lava that hardens on the surface is called an extrusion. The rock layers below an extrusion are always older than the extrusion. Beneath the surface, magma may push into bodies of rock. There, the magma cools and hardens into a mass of igneous rock called an intrusion.
Therefore, The feature that causes a gap in the geologic record is called extrusion.
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Which group of coefficients balances the following chemical equation? 2KCIO3 → _KCI + _O2 a 1, 3 b 2,2 C 2,3 d 2.1 e 1, 1
Answer:
2KClO3 = 2KCl + 3O2
I hope it's helps you
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:)
identify the reaction of S8+F2-->SF8
The given reaction is a combination / synthesis reaction, since two reactants combine to form a single product
The Volume of a gas is measured to be 675.6 mL at 61.8 C. If the volume of the gas were changed to 410.9 mL, what would the final temperature be?
Answer:
203.63 K
Explanation:
Using Charles law equation,
V1/T1 = V2/T2
Where;
V1 = initial volume (mL)
V2 = final volume (mL)
T1 = initial temperature (K)
T2 = final temperature (K)
According to the information in this question,
V1 = 675.6 mL
V2 = 410.9 mL
T1 = 61.8°C = 61.8 + 273 = 334.8K
T2 = ?
Using V1/T1 = V2/T2
675.6/334.8 = 410.9/T2
Cross multiply
675.6 × T2 = 334.8 × 410.9
675.6T2 = 137569.32
T2 = 137569.32 ÷ 675.6
T2 = 203.63 K
The volume of a gas at 4.50 atm is 1.90 L, if the pressure of the gas is increased to 6.70 atm, what is the new
volume? In this problem, V2 =
tje new preasure is 10.7l
what are the numbers of neutrons in hydrogen
Answer:
Hydrogen has 0 neutrons.
Explanation:
You can find the # of neutrons by subtracting the Atomic Mass from the Atomic number. Hydrogen is a special case in which the atom has no neutrons.
What is a precipitation
reaction?
Answer:
A precipitation reaction is one in which substances in solution are mixed and an insoluble product is made. The insoluble product is called a precipitate and can be seen as a solid forming in the reaction mixture.
How much does 3 moles of silica weigh
84.2565
Because
1 silica is equal to 28.0855,
times 3 is 84.2565
Calculate the percent ionization of a 0.381 M solution of hydrocyanic acid.
Answer:
.00402 %
Explanation:
hydrocyanic acid (HCN) is a weak acid with a Ka of 6.17*10^-10 so you need to do a RICE table
initial concentration of HCN is .381 and initial H+ and CN- concentration is 0.
that means the equillibrium concentration of HCN will be (.381-x) and H+ and CN- will be x
put that into the formula for Ka, so it'll be Ka = x^2/(.381-x) and then use quadratic equation to solve. You'll end up getting x = 1.5 * 10^-5.
Then to find percent ionization you solve (concentration of formed ions / initial HCN)
Which will be (1.5 * 10^-5 / .381) * 100 = .00402 % making it a very weak acid <3
Which substance does not require oxygen in order to produce energy?
Answer:
fermentation
Explanation:
fermenting does not require oxygen as a way to produce energy
100 pointts pls answer quick and no link :In the reaction, Hydrogen + Iodine --> Hydrogen Iodide at equilibrium, some Iodine is is added. What happens to the equilibrium?
Answer:
the concentration of hydrogen iodide will be higher than it was in the original equilibrium conditions.
are the smallest units of life. A. Bugs B. Eggs C. Bones D. Cells
Help mee please!!
What is the conjugate base of the following acids?
a) HClO4 b) NH4 + c) H2O
d) HCO3 –
3. What is the conjugate acid of the following bases?
a) CN- b) SO4 2- c) H2O
d) HSO4-
Answer:
A
Explanation:
HOPE THIS HELPS