Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

iAlevel Chemistry Y1 > Formulae, Equations & Amount of Substance Ch1 > Flashcards

Formulae, Equations & Amount of Substance Ch1 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Metal + Acid

A

= Salt + hydrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Metal Oxide + Acid
Metal hydroxide

A

= Salt + water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Alkali + Acid

A

= Salt + Water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Metal Carbonate + acid

A

= Salt + Water + Carbon Dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Metal hydrogencarbonates + acid

A

= Salt + water + Carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Chemical Test for CO2 + Observation

A

Lime water
Cloudy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Chemical Test for Sulfates + Observation

A

Barium Ions (Barium Chloride or Barium nitrate)
White Precipitate of Barium Sulfate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Chemical test for Halides + Observation

A

Sliver Ions (Sliver nitrate )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Number of Moles of atoms (Formula)

A

= Mass / Molar Mass (Mr)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Number of atoms/ molecule/ ions (Formula)

A

6.02x10^23 x mole of substance (x number of ions/ molecules there are )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Percentage Yield (Formula )

A

(Actual yield / theoretical yield) x 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why yield less then expected ?

A
  1. rection is incomplete
  2. Product lost during transfer
    . Unwanted side reactions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Atom Economy (Formula )

A

(Mass of useful product / mass of all products ) x 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Reaction types with Atom Economy

A
  1. Addition reactions have 100% atom economies
  2. Elimination reactions have lower atom economies
  3. Multistep reactions may have lower atom economies
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ideal Gas Equation (Formula )
pV = nRT

A

Pressure (Pa )
Volume (m^3)
number of moles (mol)
R - 8.31 J mol^-1K^-1
Temperature (K)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Volume of Gas (Formula )

A

Number of moles x 24dm^3

17
Q

Concentrations of solutions (Formulas)

A

Number of moles / volume & Mass of solute / Volume

18
Q

Concentrations in mol / dm^3 (Formula)

A

Concentration in g dm^3 / Relative formula mass of solute (Mr)

19
Q

Concentration in ppm (Formula)

A

(Mass of solute x 1 000 000) / mass of solvent

20
Q

Concentration in gas (Formula )

A

(Volume of gas x 1 000 000 ) / Volume of air

iAlevel Chemistry Y1 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions