8 An electric kettle contains 600 g of water at 20°C. The heater in the kettle operates at 240 V. The

specific heat capacity of water is 4200 J/(kg°C).

The current in the heater is 12 A.

(a) Calculate the time taken for the temperature of the water to rise to 100 °C.

time =

[4]

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

This is the substance(s) formed in a chemical reaction.