Basic Concepts Of Chemistry Flashcards by joel mammen isaac | Brainscape

Q

1foot = … inches

A

12 inches

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Q

1 inch = …. cm

A

2.54cm

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Q

1 kg = … lbs

A

2.205 lbs

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Q

1 amu = ….. g

A

1.67 x 10^-24g

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Q

Pounds is denoted by

A

lbs

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Q

1 calorie = …… joules

A

4.2

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Q

1 joule = ……ergs

A

10^7

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Q

1 litre atmosphere = ….. joules

A

101.3 joules

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Q

1 eV = …. joules

A

1.602 x 10^-19 joules

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Q

1 atm = … torr

A

760 torr (760mm of Hg)

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Q

1 atm = … Pa

A

1.013 x 10^5 pascals

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Q

STP vs NTP

A

STP - 1 bar

NTP - 1 atm

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Q

1 bar = ….. Pa

A

10^5 Pa

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Q

Law of gaseous volume given by

A

Gay Lussac’s

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Q

Law of multiple proportion given by

A

Dalton

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Q

Gram molecular volume of a gas

A

22.4 litres

Q

Atom is a …. word meaning …..

A

Greek

Indivisible

Q

Which isotope of H is radioactive

A

Tritium

Q

Isobars given by

A

Aston

Q

Isodiaphers

A

Same difference in the no of neutrons and protons

Q

Isotones/Isoneutronic species /isotonic species

A

Same no of neutrons

Q

Isosters

A

Molecules having same no atoms as well as electrons

Q

Daltons atomic theory

A

1808

Q

Gay Lussac’s law

A

1808

Q

First international conference on chemistry

A

1860

Q

Law of conservation of mass

A

1789

Q

Law of multiple proportions

A

1803

Q

Avogadro’s law

A

1811

Q

C-12 agreed as standard for atomic masses on

A

1961