A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8 \times 10^{28} free electrons per cubic meter.

A converging lens (f = 13.0 cm) is held 7.30 cm in front of a newspaper, the print size of which has a height of 1.90 mm. Find (a) the image distance (in cm) and (b) the height (in mm) of the magnified print?

Suppose that the mirror described in Part A is initially at rest a distance R away from the sun. What is the critical value of area density for the mirror at which the radiation pressure exactly cancels out the gravitational attraction from the sun?

1. An A group metal (M) reacts with chlorine and oxygen to form ionic compounds with the formulas MCl4 and MO2. Propose a possible identity for the metal M. Explain your reasoning.

An application calls for N2(g) with a density of 1.80g/L at 32 degrees.What must be the pressure (atm) of the N2(g)?

The mineral leadhillite, which is essentially Pb4(SO4)(CO3)2(OH)2 (FW = 1079), contains ____ % oxygen by weight.