The specific heat of silicon is 700J/kg/°C, how much energy is needed to raise a 14g of siliconby 30 °CA) 49 kJB) 49 kcalC) 294 kcalD) 249 kJIALHeat = mass X temperature change × specific heatHeat = mΔΤSHcal =°Ccalg °CJ = g°CJg °CHow many calories are required to raise the temperature of a 780. g sample of gold from 25 °Cto 175 °C? The specific heat of gold is 0.0308 cal/g °C.A) 2250JB) 3604 calC) 2250 calD) 693 cal

1) To find out the amount of heat required to raise the temperature of 14 g of silicon by 30°C, the…

Answered: The specific heat of silicon is…

The specific heat of silicon is 700J/kg/°C, how much energy is needed to raise a 14g of silicon by 30 °C A) 49 KJ B) 49 kcal C) 294 kcal D) 249 KJ TJAL At

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The specific heat of silicon is 700J/kg/°C, how much energy is needed to raise a 14g of silicon
by 30 °C
A) 49 kJ
B) 49 kcal
C) 294 kcal
D) 249 kJ
IAL
Heat = mass X temperature change × specific heat
Heat = m
ΔΤ
SH
cal =
°C
cal
g °C
J = g
°C
J
g °C
How many calories are required to raise the temperature of a 780. g sample of gold from 25 °C
to 175 °C? The specific heat of gold is 0.0308 cal/g °C.
A) 2250J
B) 3604 cal
C) 2250 cal
D) 693 cal

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