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Chemistry Tests > Chemistry Test Chapter 5 > Flashcards

Chemistry Test Chapter 5 Flashcards

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1
Q

What does 1 millimeter of mercury equal?

A

1 torr

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2
Q

What is number of protons in an atom?

A

Atomic number

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3
Q

What does the standard atmosphere (atm) equal?

A

760 torr

760 mmHg

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4
Q

What isotope is the atomic mass unit defined relative to?

A

Carbon -12 atom

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5
Q

Which step of the scientific method involves thinking about nature to develop an idea about how something works?

A

Hypothesizing

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6
Q

What is a microsecond?

A

One millionth of a second 0.0000001

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7
Q

What is the standard temperature and pressure ( stp)

A

1atm

273k

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8
Q

How many atoms are in exactly one mole of atoms?

A

6.02•10^23

Avogadro’s number

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9
Q

What equals 0 K?

A

Absolute zero

= -273 degrees C

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10
Q

How do you measure atmospheric pressure?

A

Barometer

Aneroid barometer

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11
Q

What is a barameter used for?

A

Measure atmospheric pressure

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12
Q

Define pressure

A

A push per unit

Pressure=force/area

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13
Q

What happens in a solid state of matter?

A

Molecules held rigidly and compact

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14
Q

Define precision

A

Consistency of measurement over and over again

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15
Q

What is or define Avogadro’s number?

A

6.02•10^23 particles/molecules

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16
Q

What is the formula of copper chloride?

A

CuCl

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17
Q

Formula for combination reaction

A

A+B=AB

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18
Q

Formula for decomposition reaction

A

AB=A+B

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19
Q

Formula for double-displacement reaction

A

AB+CD=AD+CB

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20
Q

Formula for single-displacement reaction

A

A+BC=B+AC

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21
Q

What is the molar mass of diborane?

A

B2H6

22
Q

Which law implies that at constant temperature and pressure the molar volume of an ideal gas is constant?

A

Charles law

23
Q

How many significant figures does number 68,080 have?

A

4 sig figs

24
Q

Know how to find partial pressure of hydrogen

A

Total minus water vapor pressure

25
Q

What is theoretical behavior of an ideal gas as it is cooked to absolute zero (0 K) at constant pressure?

A

The gas molecules get close enough to attract each other, liquefy, then solidify; no substance exists as a gas at 0 k.
Directly proportional- constant pressure and absolute temperature.

26
Q

What is kinetic theory of matter

A

Gas molecules are continually moving about and colliding with each other and with surfaces.

27
Q

Know the properties of gold

A

Au

28
Q

What does 1.5 m equal?

A 
Nano one billionth
Micro one millionth
Milli one thousandth 
Centi one hundredth 
Deci one tenth
Kilo one thousand 
Mega one million
29
Q

Name example of a chemical change

A

Fire burning something

30
Q

What is open end manometer as shown in diagram and pressure of gas?

A

Add numbers if higher Mercury is on the open to air side

Subtract numbers if higher on side connected to gas

31
Q

See question 48 & 49

A

Q

32
Q

Smallest particle for element broken down without changing identity of element

A

Atom
Proton positive
Electron negative

33
Q

Know about gold (III) ion (Au^3+)

A

Ok

34
Q

Know examples of a chemical change

A

Distinct change in color
Formation of precipitate
Formation of gas

35
Q

Open end manometer

A

Ok

36
Q

Theoretical behavior of ideal gas

A

A gas that exactly obeys the assumptions of the kinetic theory

37
Q

Know kinetic theory matter

A

Ok

38
Q

What does 1.5 m equal?

A

A

39
Q

What is a physical property?

A

A change that does not change the composition of a substance

40
Q

Know empirical formula for beta carotene

A

Simplest ratio of atoms

41
Q

Know 4 basic laws

A 
Ideal gas law
Boyle 
Charles
Combined
Daltons
42
Q

What does 5300 g equal?

A

Ok

43
Q

Know how to balance equations

A

Q

44
Q

What is symbol Pb?

A

Lead

45
Q

Know molecular process when she and water mix

A

Q

46
Q

Quantity of ratio to mass to volume

A

Density

47
Q

What is silicon symbol

A

Si

48
Q

Know diffusion of gas

A

Total minus water vapor pressure

49
Q

What is CaCO 3

A

Calcium carbonate

50
Q

What is HF

A

Helium fluoride

51
Q

What is negatively charged subatomic particles in an atom

A

Electron

Chemistry Tests (10 decks)

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