Physics, 18.09.2019 13:00 hunter3978
Hydrochloric acid and sodium hydroxide are mixed together to form salt and water. during the reaction, the temperature of the solution increases. which of these best explains why this is considered to be a chemical change? no energy was destroyed. heat was given off. it involved liquids. new substances formed.
Answers: 1
Physics, 22.06.2019 17:30
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
Answers: 3
Physics, 22.06.2019 19:20
On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281
Answers: 3
Physics, 22.06.2019 21:50
To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter
Answers: 2
Physics, 23.06.2019 01:30
The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?
Answers: 1
Hydrochloric acid and sodium hydroxide are mixed together to form salt and water. during the reactio...
Mathematics, 20.02.2021 01:00
English, 20.02.2021 01:00
Spanish, 20.02.2021 01:00
Biology, 20.02.2021 01:00
Mathematics, 20.02.2021 01:00
Mathematics, 20.02.2021 01:00
Mathematics, 20.02.2021 01:00
Mathematics, 20.02.2021 01:00
Mathematics, 20.02.2021 01:00
Biology, 20.02.2021 01:00