Chemistry, 15.12.2020 23:50 minecraft37385
A student used a portable electric drill to remove screws from a broken wooden table. He noticed that the screws holding the table together were warm to the touch after being removed from the wood. Which statement best explains this phenomenon?
A:Electrical energy from the drill was converted into chemical energy due to conductivity.
B:The process of removing the screw concentrated the thermal energy that was already present in the wood
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 2
Chemistry, 22.06.2019 10:30
What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%
Answers: 1
Chemistry, 22.06.2019 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
Chemistry, 23.06.2019 01:00
Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration
Answers: 1
You know the right answer?
A student used a portable electric drill to remove screws from a broken wooden table. He noticed tha...
Questions
History, 24.02.2021 17:00
English, 24.02.2021 17:00
Chemistry, 24.02.2021 17:00
Mathematics, 24.02.2021 17:00
Mathematics, 24.02.2021 17:00
History, 24.02.2021 17:00
English, 24.02.2021 17:00
Mathematics, 24.02.2021 17:00
Mathematics, 24.02.2021 17:00
History, 24.02.2021 17:00
English, 24.02.2021 17:00
