How is the mass of a liquid substance affected after it boils? A. It increases. B. It decreases. C. It stays the same.

A gas occupies 210 ml at - 73°c. to have the same gas occupy 360 ml: should the temperature be increased or decreased? what is the new temperature? k

A wire of Nichrome (a nickel-chromium-iron alloy commonly used in heating elements) is 1.3 m long and 1.6 mm2 in cross-sectional area. It carries a current of 3.2 A when a 2.0 V potential difference is applied between its ends.

A visible disturbance propagates around a crowded soccer stadium when fans, section by section, jump up and then sit back down.

One of the reasons that groups on the periodic table are so similar to each other is they have ... Number of Neutrons Number of protons They have the same size Number of valance electrons

Which type of radio waves have the highest frequency and are used in radar detection? a. microwaves b. x-rays waves c. infrared waves d. gamma rays

Why are lights in house wired in house wired in a parallel or nothing series

A ball is kicked horizontally at 10.0 m/s from a cliff 100m high. How far from the base of the cliff will the stone strike the ground? a 1,000 b 60 c 10 d 3010.2 e 45

Which statements about velocity are true? check all that apply. a. for velocity, you must have a number, a unit, and a direction. b. the si units for velocity are miles per hour. c. the symbol for velocity is. d.

Which environmental hazard is directly related to nuclear power production? land stripping global warming radiation leakage soil erosion

You eat an apple, so what energy transformations will it go through?