Physics, 18.05.2021 20:10 Galaxie85111
One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in water, it forms gas bubbles. In this example, the formation of a gas
A is a physical property.
B occurs when adding water to acid.
Cis a sign of a chemical change.
D occurs when the water boils.
Answers: 2
Physics, 21.06.2019 21:30, canyonrico05
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?
Answers: 3
Physics, 23.06.2019 07:00, Anthony1442
If you drive 12 miles north and 35 miles east, what is the direct distance between you and your starting point?
Answers: 1
One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is plac...
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