1st trial: The student decided to mix 250 mL of water at 20 degrees Celsius with 250 mL of water at 98 degrees C. After waiting some time, she recorded the temperature of the mix to be 56 degrees C. 2nd trial: The student decided to mix 200mL of water at 98 degrees C. After waiting some time, she recorded the temperature of the mix to be 72 degrees C. 3rd trial: The student decided to mix 300 mL of water at 15 degrees C with 150 mL of water at 90 degrees C. After waiting some time, she recorded the temperature of the mix to be 41 degrees C.
Answers: 3
Physics, 22.06.2019 17:30
Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.
Answers: 2
Physics, 23.06.2019 01:30
Energy transformations that involve one transformation from one type of energy to another are called transformations.
Answers: 1
Physics, 23.06.2019 02:30
Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia
Answers: 1
Physics, 23.06.2019 03:00
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
1st trial: The student decided to mix 250 mL of water at 20 degrees Celsius with 250 mL of water at...
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