Physics, 28.09.2021 16:10 Brainly264
Which procedure could be used to demonstrate that matter is conserved
during a physical change? *
1. Find the mass of an apple. Cut the apple and remove the core. Find the mass of the
Remaining apple.
2. Find the mass of a piece of ice. Let the ice melt. Find the mass of the liquid water.
3. Find the mass of a cup of water. Boil the water. Find the mass of the water that
remains.
4. Find the mass of a raw egg. Cook the egg. Find the mass of the cooked egg.
Answers: 2
Physics, 21.06.2019 15:50
The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change
Answers: 1
Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
Answers: 3
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
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Which procedure could be used to demonstrate that matter is conserved
during a physical change? *<...
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