What happens to the temperature of a substance while it is changing state?
Answer: The temperature of a substance remains the same while it is changing state. When a pot of water is boiling it will remain at 100 degrees Celcius until all the water particles have changed into a gas.
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According to Kirchhoff's first law why do dense, hot bodies create the type of spectrum they do?
What will be an ideal response?
In a double slit experiment, the distance between the slits is 0.2 mm and the distance to the screen is 100 cm. What is the phase difference (in degrees) between the waves from the two slits arriving at a point 5 mm from the central maximum when the wavelength is 400 nm? (Convert your result so the angle is between 0 and 360°.)
a. 90° b. 180° c. 270° d. 360° e. 160°
A completely submerged object always displaces its own
A) volume of fluid. B) weight of fluid. C) density of fluid. D) all of the above E) none of the above
For a fixed amount of gas, if the absolute temperature of the gas is doubled, what happens to the pressure of the gas?
A) The answer cannot be determined without volume information. B) The pressure of the gas becomes double the original pressure. C) The pressure of the gas becomes triple the original pressure. D) The pressure of the gas becomes one half the original pressure. E) The pressure of the gas becomes four times the original pressure.