Test 2 Flashcards by Rea C

Q

pressure formula

A

force/area

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Q

combined gas law

A

p1v1/t1

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Q

manometer

A

measures the pressure of an enclosed gas sample

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Q

barometer

A

device used to measure atmospheric pressure

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Q

mmHg= (torr)

A

1 torr

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Q

avg atmospheric pressure at sea level 0C

A

760 mmHg

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Q

1 atm=(mmHg)

A

760 mmHg

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Q

1 atm=(kPa)

A

101.325

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Q

1 in=(cm)

A

2.54cm

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Q

1 km= (mi)

A

0.62137 mi

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Q

1 mi= (ft)

A

5280 ft

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Q

1kg= (lb)

A

2.2046 lb

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Q

1 lb=(g)

A

453.59 g

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Q

1L=(qt)

A

1.0567 qt

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Q

1 gal= (L)

A

3.7854 L

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Q

1 atm= (psi)

A

14.70 psi

Q

pressure increase caused by

A

increase in collision # of molecules

Q

pressure depends on

A

volume, temp, # of molecules

Q

force is in what unit

A

Newtons

Q

volume and pressure vary

A

inversely (boyles law)

Q

gases _____ when heated

A

expand

Q

expand by ____ of the original volume for each C

A

1/273

Q

absolute zero

A

-273.15 C

Q

volume and temperature vary

A

directly (charles law)

Q

pressure and temperature vary

A

directly (gay-lussacs law)

Q

boyle led chemists to what law

A

gas law, PV=nRT

Q

boyle showed what relationship between air pressure and volume

A

P oc 1/v

Q

intermolecular space smallest and largest for what

A

smallest for solid, largest for gas

Q

boyle and hooke verified what

A

air exerted pressure and had weight, was elastic

Q

1 cm3= (mL)

A

1 mL

Q

1dm3= (L)

A

1 L

Q

1m3= (L)

A

1000L