27. A copper wire that has been heated to 520˚C for pliability is plunged into 350mL of water at 18˚C. The final temperature of the copper and water bath is 31˚C. Find the mass of the copper wire. 26. A 3.8kg sample of an unknown metal is heated to 396˚C and then submerged in 1.0L of 22˚C water. The final temperature of the metal and water bath is 89˚C. Determine the unknown substance using your table
Energy transfer
The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.
Molar Specific Heat
Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)
Thermal Properties of Matter
Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.
please help me answering number 26 and 27 just send me the solutions these questions are related to heat and use the table for these question for capacity
27. A copper wire that has been heated to 520˚C for pliability is plunged into 350mL of
water at 18˚C. The final temperature of the copper and water bath is 31˚C. Find the
mass of the copper wire.
26. A 3.8kg sample of an unknown metal is heated to 396˚C and then submerged in 1.0L of
22˚C water. The final temperature of the metal and water bath is 89˚C. Determine the
unknown substance using your table.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
