If the absolute pressure of a gas is 550.280 kPa, its gage pressure is A. 101.325 kPa.
B. 651.605 kPa.
C. 277.280 kPa.
D. 448.955 kPa.
Answers
By definition we have to:
Where,
Pabs: absolute pressure
Patm: atmospheric pressure
Pg: gage pressure
The atmospheric pressure is constant and its value is:
Then, by clearing gage pressure we have:
Substituting values we have:
Answer:
If the absolute pressure of a gas is 550.280 kPa, its gage pressure is:
D. 448.955 kPa
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Answers
Final answer:
Convection is a process that helps distribute heat, notably in daily applications such as heating systems and cooking. It involves the movement of heat through fluids, where hotter parts become less dense and rise, creating a current.
Explanation:
Convection is a significant process in our daily lives that enables the transfer of heat in fluids (liquids and gases) from one place to another.
One common application of convection is seen in Heating Systems. For instance, in a radiator, hot water or steam travels through the system, heats the surrounding air, and this hot air rises, creating a convection current that distributes the warmth throughout a room.
Another prime example of convection at work is Cooking. When you boil water or cook in a pot, the heat from the stove heats up the pot which then heats the water at the bottom. This hot water rises, pushing the cooler water to the bottom where it too gets heated, thus creating a convection current.
Learn more about Convection here:
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Answers
The probability of (E and F) = P(e) times P(f) = 0.76 x 0.45 = 0.342 .
The probability of (e OR f) =
1 - P(not e AND not f) =
1 - P(not e) x P(not f) =
1 - (1 - 0.76) x (1 - 0.32) =
1 - ( 0.24 ) x ( 0.68 ) = 1 - 0.1632 = 0.8368.
Answers
Number of oscillation = 6 which being done in 30 second.
which means the time period for 1 oscillation is 30 second/6 = 5 second
Frequency = 1/time period
= 1/5 Hertz
Hope this help
Answers
Explanation:
Uniform velocity is when an object goes an equal amount of space in an equal amount of time whereas non uniform velocity is when the object covers an unequal amount of distance in an equal amount of time.
B. Water molecules move from their fixed position.
C. Water molecules lose energy.
D. The temperature of the ice increases as it melts.
Answers
The answer for this question is part B that is Water molecules move from their fixed position.
This is because when water is freeze it is in a solid condition that means the molecules are held together tightly and are are vibrating in their fixed positions.
As soon as the molecules gain energy they start to move around from their fixed positions and turn into a liquid.
In the process of doing so ice melts and becomes water.
the ice molecules are taking in heat from its surroundings to melt and form water.This increases the temperature of ice as it melts.
option(c) can also be true because to form water,the intermolecular force between the molecules gets weak which allows them to move from their fixed point.