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Which statement correctly describes a sample of gas confined in a sealed container?
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∙ 13y ago
X and Z both have the same number of molecules
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∙ 14y ago
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What pressure will 3.20 mol of N2 gas exert if confined in a 15.0 L container at 100C?
assuming it is an ideal gas: p=(nRT)/v=(3.2*.0821*373)/15 P=6.53 ATM
What is the pressure exerted by a vapor confined within a given space?
pressure exerted by a vapor confined within a given space
What causes increase in pressure of a contained gas?
If the gas is confined by volume then the temperature must decrease. Given by the ideal gas equation pv=nrt on the left pressure time volume. If the volume is constant then the decrease in value of the left hand side of the equation has to compensated by a change in the right hand side. n= no of moles (a measure of the number of atoms present) R= gas constant so the only variable is T temperature which must decrease
How do you increase gas pressure?
PV = nRT or (Pressure) = (moles of gas)x(universal gas constant)x(Temperature)/(Volume). Thus to increase pressure: increase the amount of the gas, increase the temperature of the gas or decrease the volume of the container in which it is held.
What causes a gas to exert pressure when confined in a container?
Assuming constant amount of gas and temperature, pressure will increase as volume decreases. Conversely, pressure will decrease as volume increases. If you squeeze on a filled balloon, the volume decreases. The pressure of the air on each square inch of the balloon increases, which causes it to eventually pop if the pressure gets too high. Assuming constant amount of gas, a temperature change will already change the volume of the gas. As temperature rises, the gas expands, causing more pressure to be exerted on the balloon. Assuming constant temperature, adding more gas also increases the volume and thus increases the pressure.
What is a metaphor for prison?
A metaphor is a phrase that is symbolic of something else, in that way, a metaphor for prison would be something that describes being confined, such as a cage or an airtight container.
Which statement best describes three key responsibilities of the Confined Space Program Team CSPT?
the CSPT assists commanders and functional managers in identifying, evaluating and classifying all confined spaces; assist with development of MEP's; establish procedures to review all construction projects to identify, record, and classify confined spaces.
Which statement best describes the roles and responsibilities of the Bioenvironmental Engineering function?
The BE assists commanders and functional managers in identifying, evaluating, and classifying all confined spaces; assists the functional manager in identifying training for testers and monitors, entrants, and entry supervisors on confined space duties; trains unit personnel on the atmospheric testing and monitoring of confined spaces.
What if the gas volume is confined to an expandable container What would happen to the gas volume if it is cooled?
If you cool a gas then its volume shrinks. As the container is expand/contactable, the container will also shrink.
Which statement best describes the roles and responsibilities of Installation Ground Safety SEG?
leads the installation Confined Space Program Team (CSPT), assists the functional manager in identifying training for confined space entry team members, and reviews and approves non-routine entry permits which are not contained in and organization's MEP
What statement best describes the roles and responsibilities of the air force civil engineer support agency afcesa?
the AFCESA provides professional advice and guidance applicable to confined spaces in the realm of fire protection and emergency rescue
A sample of nitrogen gas is confined to a 14.0 L container at 375 torr and 37 degrees Celsius How many moles of nitrogen are in the container?
.271 mol
Which statement best describes the roles and responsibilities of the air education and training command HQ aetc?
the HQ AETC, through the USAF School of Aerospace Medicine, ensures all technical courses involved with confined space entry include in their curriculum, as a minimum, the training requirements identified in the AFOSH 91-501 Confined Spaces.
Which best describes the term entrant specifically pertaining to the USAF confined space program?
And entrant is any employee who is trained and authorized to enter a confined space.
What describes the function of the Master Entry Plan?
Confined Space Program Team (CSPT)
Is there an recipe for an ice cube?
Water + confined square container + temperatures below freezing point = ice cube
Which statement best describes the roles and responsibilities of the air force medical operations agency afmoa?
the AFMOA provides professional advice and guidance applicable to confined spaces in the realm of atmospheric sampling, analysis, and health risk appraisals and/or hazard evaluations
