Engineering, 11.04.2020 03:02 robert7248
A sample of solid platinum is heated with an electrical coil. If 30.0 Joules of energy are added to a 13.1 gram sample and the final temperature is 38.1 °C, what is the initial temperature of the platinum?
Answers: 3
represent the initial temperature
represent the heat added
Another question on Engineering
Engineering, 04.07.2019 18:10
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
Engineering, 04.07.2019 18:10
You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?
Answers: 1
Engineering, 04.07.2019 18:10
Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation
Answers: 1
Engineering, 04.07.2019 18:20
Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.
Answers: 2
You know the right answer?
A sample of solid platinum is heated with an electrical coil. If 30.0 Joules of energy are added to...
Questions
Business, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
English, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Mathematics, 13.01.2021 22:40
Social Studies, 13.01.2021 22:40
Biology, 13.01.2021 22:40
