AYOSOMEONEHELPMEWITHTHESETWOMULTIPL ECHOICEQUESTIONS

I’ll give a brainest

b. close to 0 degree celsius

Explanation:

100 g * ( x-0)= 500 g * ( 25-x) , where x is the new temperature reached

if we solve for x , we get 20 degree celsius

i.e. the temperature of ice increases to 5 degree celsius and the temperature of water drops to 5 degree celsius

hope it helps.

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).