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Chemistry IGCSE > Practical / February > Flashcards

Practical / February Flashcards

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1
Q

What are the 4 steps to calculate the mass of salt produced?

A
  1. write a balanced symbol equation
  2. calculate the number of moles of the chemical given
  3. use the co-efficient from the equation to determine the number of moles of the second chemical
  4. convert the number of moles into mass / volume / concentration
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2
Q

What is the stp?

A

0 ºC, 101, 000 Pa / 1 Atm

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3
Q

What is the rtp?

A

20 ºC, 101, 000 Pa

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4
Q

What does the volume of gas depend on?

A
  1. number of moles
  2. temperature (directly proportional)
  3. the pressure (inversely proportional)
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5
Q

At stp, what does 1 mole of gas equal?

A

22400 cm3

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6
Q

At rtp, what does 1 mole of gas equal?

A

24000 cm3

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Chemistry IGCSE (12 decks)

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