minhaj1234 minhaj1234

25-11-2020
Chemistry

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PLEASE HELP ME ANSWER THE TWO MULTIPLE CHOICE QUESTIONS!!!

ITS FOR CHEM:(

I’LL GIVE BRAINIEST:)

PLEASE HELP ME ANSWER THE TWO MULTIPLE CHOICE QUESTIONS ITS FOR CHEM ILL GIVE BRAINIEST class=

Respuesta :

kanairoy kanairoy

25-11-2020

Answer:

4.D. 2KJ

5.B. close to 0 degree celsius

Explanation:

heat absorbed= heat given out

100g * 4.2 * (x-0)= 400g * 4.2* ( 20-x) where x is the new temp reached

then x= 20

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

hope it helps

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