Brainscape's Knowledge GenomeTM

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


See full index

Combined Science GCSE: Equations > Chemistry > Flashcards

Chemistry Flashcards

You may prefer our related Brainscape-certified flashcards:
GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Geography - AQA flashcards Biology 101 flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

What is the chemical formula of water

A

H(little2)O

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

What is the chemical formula of carbon dioxide

A

CO(little2)

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

What is the chemical formula of chlorine

A

Cl(little2)

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

What is the chemical formula of ammonia

A

NH(little3)

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

What is the chemical formula of hydrogen?

A

H(little2)

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

What is the chemical formula of oxygen?

A

O(little2)

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

What is the chemical formula of the common ion ammonium?

A

NH(little4)^+

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

What is the chemical formula of the common ion nitrate

A

NO(little3)^-

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

What is the chemical formula of the common ion sulphate?

A

SO(little4)^2-

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

What is the chemical formula of the common ion hydroxide?

A

OH^-

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

What is the chemical formula of the common ion carbonate?

A

CO(little3)^2-

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

What is the equation to work out the number of moles?

A

Number of moles = mass in g (of element or compound) / Mr (of compound) OR Ar (of element)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the equation to work out the concentration?

A

Concentration = mass of solute / volume of solution

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

What is the equation to work out the Rf values in paper chromatography?

A

Rf value= distance travelled by solute / distance travelled by solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Acid+Metal carbonate —> ?

A

Acid + metal carbonate -> salt +water + carbon dioxide

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

Acid + metal oxide -> ?

A

Acid + metal oxide -> salt + water

17
Q

Acid + metal hydroxide -> ?

A

Acid +metal hydroxide -> salt + water

18
Q

Acid + metal ->

A

Acid +metal -> salt + hydrogen

19
Q

Lead nitrate + sodium chloride -> ?

A

Lead nitrate + sodium chloride -> lead chloride + sodium nitrate

20
Q

Metal + water -> ?

A

Metal + water -> metal hydroxide + hydrogen

21
Q

Less reactive metal + steam-> ?

A

Less reactive metal + steam-> metal oxide + hydrogen

22
Q

What does an arrow on top of another arrow pointing in the other direction mean?

A

Shows the reaction goes both ways

23
Q

What is the equation for rate of reaction?

A

Rate of reaction = (amount of product formed OR amount of reactant uses) / time

24
Q

What is the equation for working out the gradient?

A

Gradient = change in y / change in x

25
Q

What is the equation for overall energy change?

A

Overall energy change = energy required to break bonds - energy released by forming bonds

26
Q

Hydrocarbon + oxygen -> ?

A

Hydrocarbon + oxygen -> carbon dioxide + water

Combined Science GCSE: Equations (3 decks)

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