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ICSE Class 10 Answered

find result of mixing 10g of ice at-10c of water at 10c
Asked by khushalkumarsk | 17 Aug, 2020, 12:37: PM
Expert Answer
h e a t space l o s t space b y space w a t e r equals m s increment T
h e a t space l o s t space b y space w a t e r equals space 10 cross times 4.2 cross times open parentheses 10 minus 0 close parentheses equals 420 J
H e a t space g a i n e d space b y space i c e equals 10 cross times 2.1 cross times open parentheses 0 minus open parentheses negative 10 close parentheses close parentheses
equals 210 J
sin c e space h e a t space r e q u i r e d space b y space i c e space t o space r e a c h space 0 space d e g r e e space less than space h e a t space r e l e a s e d space b y space w a t e r space
t h e r e f o r e space s m a l l space a m o u n t space o f space i c e space w i l l space m e l t
m L plus 210 equals 420
m L equals 210
m cross times 336 equals 210
m equals 0.625 g
a t space 0 to the power of 0 space t h e space a m o u n t space o f space w a t e r equals 10 plus 0.625 equals 10.625 g
A m o u n t space o f space i c e space a t space 0 to the power of 0 equals 10 minus 0.625 equals 9.325 g
Answered by Utkarsh Lokhande | 17 Aug, 2020, 10:58: PM

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