RPA:04 temperature Change Flashcards

1
Q

Aim

A

Investigate the variables that affect temperature change in chemical reactions

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2
Q

Step one

A

Measure 25 cm³ of hydrochloric acid into a polystyrene cup

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3
Q

Step two

A

 Place cup inside beaker to make it more stable

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4
Q

Step three

A

Measure and record temperature of acid

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5
Q

Step four

A

Add 5 cm³ of sodium hydroxide into polystyrene cup and place a lid on the cup whilst stirring solution With thermometer

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6
Q

Step five

A

Record temperature on thermometer when it stops changing and remains constant

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7
Q

Step six

A

Repeat step 4 to add further 5 cm³ of sodium hydroxide until 40 cm³ has been added

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8
Q

Step seven

A

Calculate mean maximum temperature reached for each of the sodium hydroxide solutions

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