e2.7 please help A piece of unknown material has a mass of m,= 0.79 kg and an initial temperature of T= 76°C. The specific heat of water is cw=4.180 x 103 J/(kg.°C).> * 50% Part (a) The sample of material is dropped into m, = 1.3 kg of water at Tw= 18°C in a calorimeter. The calorimeter reaches a final temperature ofTf= 31°C. Enter an expression for the specific heat of the unknown material, in terms of the defined quantities.C1=mw Cw ( Tf - Tu )my ( Ty - Tw))|789HOMECwg↑^^6m123mwnPENDTfTuTwVol BACKSPACEDELCLEARSubmitHintFeedbackI give up!E * 50% Part (b) Calculate the specific heat of the unknown material, in units of joules per kilogram per degree Celsius.

Mu= 0.79 kg , Tu= 76°C Mw= 1.3kg, Tw = 18°C Tf= 31°C Cw= 4.18×103 J/kg°C Cu= ?

A piece of unknown material has a mass of m, = 0.79 kg and an initial temperature of Ty = 76°C. The specific heat of water is cw= 4.180 x 10 J(kg C). O* 50% Part (a) The sample of material is dropped into mw = 1.3 kg of water at Tw = 18°C in a calorimeter. The calorimeter reaches a final temperature of T= 31°C. Enter an expression for the specific heat of the unknown material, in terms of the defined quantities. Cy = (mw Cw ( Tf- Tu)( my ( Ty - Tw ) 78 9 HOME Cw d 4 5 m P END Tf Tu VO BACKSPACI Submit Hint Feedback I give up! E* 50% Part (b) Calculate the specific heat of the unknown material, in units of joules per kilogram per degree Celsius.

A piece of unknown material has a mass of m, = 0.79 kg and an initial temperature of Ty = 76°C. The specific heat of water is cw= 4.180 x 10 J(kg C). O* 50% Part (a) The sample of material is dropped into mw = 1.3 kg of water at Tw = 18°C in a calorimeter. The calorimeter reaches a final temperature of T= 31°C. Enter an expression for the specific heat of the unknown material, in terms of the defined quantities. Cy = (mw Cw ( Tf- Tu)( my ( Ty - Tw ) 78 9 HOME Cw d 4 5 m P END Tf Tu VO BACKSPACI Submit Hint Feedback I give up! E* 50% Part (b) Calculate the specific heat of the unknown material, in units of joules per kilogram per degree Celsius.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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