18. [-/1 Points] DETAILS MY NOTES SERCP11 11.4.P.031. ASK YOUR TEACHER PRACTICE ANOTHER A 117-g cube of ice at 0C is dropped into 1.0 kg of water that was originally at 89C. What is the final temperature of the water after the ice has melted? Jee Need Help? [ nmmain ) [ ) 19. [-/2 Points] DETAILS MY NOTES SERCP11 11.5.P.042. ASK YOUR TEACHER PRACTICE ANOTHER A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.5 m x 1.6 m. On a certain day, the indoor temperature is 26C and the outdoor temperature is 0C. (a) What is the rate at which energy is transferred by heat through the glass? W | (b) How much energy is lost through the window in one day, assuming the temperatures inside and outside remain 0 o =3 wn 2 [+ 3 =1 = Need Help? [[nesain)| Submit Answer 20. [-/2 Points] DETAILS MY NOTES SERCP11 11.5.P.048. ASK YOUR TEACHER PRACTICE ANOTHER A thermopane window consists of two glass panes, each 0.50 cm thick, with a 1.0-cm-thick sealed layer of air in between. (a) If the inside surface temperature is 22.5C and the outside surface temperature is 0.0C, determine the rate of energy transfer through 2.00 m2 of the window. w ) (b) Compare your answer to (a) with the rate of energy transfer through 2.00 mZ of a single 1.0-cm-thick pane of glass. Disregard surface air layers. (Find the rate of energy transfer.) kW Need Help? ) Submit Answer 21. [-/1 Points] DETAILS MY NOTES SERCP11 11.5.P.045. ASK YOUR TEACHER PRACTICE ANOTHER A steam pipe is covered with 1.50-cm thick insulating material of thermal conductivity of 0.200 cal/cm - C - s. How much energy is lost every second when the steam is at 155C and the surrounding air is at 20.0C? The pipe has a circumference of 800 cm and a length of 52.0 m. Neglect losses through the ends of the pipe. 77MW Need Help? | Resdit | Submit