Physics, 05.05.2021 03:00 olivya2005d
two students in a science classroom are debating about whether the tables are made of wood or plastic. as the teacher passes by, she suggests, use cell theory to find the truth. propose a scientific investigation to determine whether the tables are wooden or plastic. Include your hypothesis, what steps the students should take, and any materials they might need to carry out the produce.
Answers: 1
Physics, 22.06.2019 04:30
Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons
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Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
two students in a science classroom are debating about whether the tables are made of wood or plasti...
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