Chemistry, 14.11.2019 05:31 saabrrinnaaa
Asample ofpolystyrene, which has a specific heat capacity of 1.880 j/g k, is put into a calorimeter that contains 100.0 g of water. the polystyrene sample starts off at 89.8 c and the temperature of water starts off at 19.0°c. when the temperature of the water stops changing it is 33.5°c. the pressure remains constant at 1.0 atm. calculate the mass of the polystyrene sample. be sure your answer is rounded to significant digits.
Answers: 3
Chemistry, 22.06.2019 03:00
Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
Answers: 2
Chemistry, 22.06.2019 13:30
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
Chemistry, 22.06.2019 23:00
What does a numerical subscript following an element in a chemical formula mean?
Answers: 1
Asample ofpolystyrene, which has a specific heat capacity of 1.880 j/g k, is put into a calorimeter...
Advanced Placement (AP), 09.09.2019 23:30
Mathematics, 09.09.2019 23:30
Mathematics, 09.09.2019 23:30
Health, 09.09.2019 23:30
Geography, 09.09.2019 23:30
History, 09.09.2019 23:30
History, 09.09.2019 23:30