at 273 k, ice and liquid water are in equilibrium. what relation then must be true of the vapor pressures of pure ice and pure liquid water at 273 k?

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c