A. 4.28 kg
B. 42.86 kg
C. 1.02 kg
D. 7.14 kg
Correct Answer:
Option C = 1.02 kg
Explanation
Energy supplied bythe heater = heater gained by water
pt = MCAθ
1000 x 300 = m x 4200(100 – 30)
m = (1000 x 300)/4200 x 70 = 1.02 kg
Download Business Administration Project Topic PDF - Effects of Job Stress on Employee’s Performance in Evans Nigeria
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
Download Accountancy Project Topic PDF - Effect Of Cost Control On The Profit Of An Organization (A Case Study Viju Milk Industries Nigeria Limited)
Original price was: ₦600.00.₦400.00Current price is: ₦400.00.
Download Animal Production Journal Article PDF - Performance of Some Forage Rass Species in the Southern Guinea Savannah Agro-Ecological Zone in Nasarawa State of Nigeria
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
Download Conference Paper Article PDF - Video Summarization Based Handout Generation from Video Lectures: A Gesture Recognition Framework
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
Download Conference on Advanced Computer Theory Article PDF - Real-Time Mono Vision Gesture-Based Virtual Keyboard System
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
Copyright warnings! Do not copy.
![Water of mass 1.5kg is heated from 30°C to 80°C using an electric kettle which is rated 5A, 230V. Calculate the time taken to reach the final destination [specific heat capacity of water 4200Jkg-1K-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Water of mass 1.5kg is heated from 30°C to 80°C using an electric kettle which is rated 5A, 230V. Calculate the time taken to reach the final destination [specific heat capacity of water 4200Jkg-1K-1]")