Asample of helium gas occupies a volume of 156.0 ml at a pressure of 733.0 mm hg and a temperature of 337.0 k. what will the volume be at a pressure of 490.0 mm hg and a temperature of 807.0 k? the combined gas law equation is given below. p1v1 t1 = p2v2 t2 in this equation, p1, v1, and t1 are the initial pressure, volume, and temperature, respectively, and p2, v2, and t2 are the final pressure, volume, and temperature, respectively. ml

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

The plum pudding model of the atom states that ?

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?