You fill a balloon with 2.50 moles of gas at 25°C at a pressure of 1.49 atm. What is the volume of the balloon?
Answers
P is pressure (in atm or bar)
V is volume (in L)
n is the number of moles (in mol)
R is an experimentally determined ratio of about 0.82
T is the temperature (in Kelvin)
Note: For all gases, you need to convert Celsius or Fahrenheit to Kelvin.
Get V alone.
Plug in the values you have.
you get:
A fun fact: the gas used to fill up a balloon is Helium.
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Which of these subatomic particles adds the most mass to an atom?a. proton b. photon c. electron d. It depends on what the element is. An atom with two protons, three neutrons and two electrons would have a mass of about how many atomic mass units? a. 2 b. 3 c. 5 d. 7
A yellow luminous flame is produced when an insufficient amount of oxygen is supplied. This flame should not be used when heating because it will coat glassware with black soot. What element is this made from? Answer with the correct elemental symbol. It will be case sensitive.
Why do the air molecules inside a bicycle tire speed up as the temperature gets warmer? a. because the heat is transferred to the molecules and gives them more kinetic energy b. because the warmer air allows the particles to be free from gravitational forces c. because the heat liberates the potential energy inside each molecule eliminate d. because the warmer air is less dense and particles can move more
B. Decreasing the pressure
C. Increasing the pressure
Answers
Answer;
Increasing the pressure
Explanation;
- An increase in pressure on a gas can bring the molecules close enough to each other to develop some inter-molecular attractions and form a liquid.
- The increase in pressure changes the state of matter from gas to liquid and also from liquid to solid. But increase in pressure alone cannot change the state of matter. Every gases and liquid have certain temperature above which the application of pressure would not change the state of matter.
Answers
Answer:
The answer is 40-50 percent I did it and it was correct.
Explanation:
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b. measure the speed of the gas molecules
c. measure the volume of the container
d. measure the pressure of the gas in the container
Answers
c. analytical
b. bio
d. organic
Answers
B.Birds that have different mating calls
C.Fruits flies that mate in different locations.
D.Squirrels that have different fur colors
Answers
Answer:
A. Flowers that bloom in different months
Explanation:
Nature has a way of preventive the interbreeding of closely related species and temporal isolation is one of them. When species reproduce at a different time there is little chance of hybridization (intermixing) between two related species. Since this process occurs before the mating it is also termed as pre-mating isolation.
Answer:
a.) Flowers that bloom in different months
Explanation:
Hello,
Temporal isolation is exposed when two populations are isolated by cause of when they do perform actions according to their instinct. This is considered as large a difference as mating seasons and as small a difference as what time of day they are active. Isolation makes it less likely for two populations to reproduce together, that's why flowers that bloom in different months is a clear example of this biological event.
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Answers
Answer : The answer is, Chain reaction.
Explanation :
Chain reaction : It is defined as the series of successive elementary processes in which the active intermediate species are consumed and regenerated before the products are obtained.
It is a self-sustaining series of the chemical reactions where the product obtained from one reaction are the reactants in the next reaction and so on.
Hence, a chain reaction is a self-sustaining series of chemical reactions in which the product of one reaction are the reactants in the next reaction.