Chemistry, 03.07.2020 17:01 Wanna14ever
What mass of water uses 7500 J to increase the temperature from 2 oC to 3 oC? The following information for water is given, but may or may not be useful: Δc = 4.184 J/goC ΔHfus = 334 J/g ΔHvap= 2260J/g
Answers: 2
Chemistry, 22.06.2019 04:00
14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream
Answers: 3
Chemistry, 22.06.2019 07:00
In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
Answers: 2
Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
Chemistry, 22.06.2019 15:50
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate
Answers: 1
What mass of water uses 7500 J to increase the temperature from 2 oC to 3 oC? The following informat...
Biology, 07.07.2019 23:00
Physics, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
Computers and Technology, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
SAT, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
Chemistry, 07.07.2019 23:00