specific heat capacity

Question 1

first step

Answer 1

measure the mass of the metal block/liquid using a top pan balance

Question 2

second step

Answer 2

place the immersion heater and thermometer into the top holes of the metal block/liquid

Question 3

third step

Answer 3

insulate the beaker of liquid/ metal block by loosely wrapping it with wool

Question 4

fourth step

Answer 4

connect a joulemeter to measure the energy transferred to the heater

Question 5

fifth step

Answer 5

measure the initial temperature of the metal block using a thermometer

Question 6

sixth step

Answer 6

connect the heater to a power supply and switch it on to heat the substance

Question 7

seventh step

Answer 7

measure the final temperature of the metal block/liquid after 10 minutes

Question 8

eighth step

Answer 8

repeat the practical, remove anomalies and calculate the mean temperature change

Question 9

ninth step

Answer 9

caclulate the mean using shc formula(make sure to write this down in exam)

Question 10

gradient

Answer 10

change in temperature/change in energy transferred

Question 11

specific heat capacity

Answer 11

1/gradient x mass

Question 12

safety

Answer 12

avoid touching immersion heater with bare hands as it can be very hot and cause burns

Question 13

independent variable

Answer 13

work done by the heater /energy transferred

Question 14

dependent variable

Answer 14

temperature rise

Question 15

control variable

Answer 15

mass of block, thickness of insulation