Describe the technique used to determine the density of
Describe the technique used to determine the density of approximately 5 gram samples of the following at 20 degrees C and 1 atmosphere pressure: A) Gasoline B) Granular Sugar C) A lump of gold D) Mercury
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An X-ray has a wavelength 1.44A. Calculate the energy in J of one photon of this radiation.
Suggest simple laboratory tests you could use to distinguish acetone, carbon tetrachloride, cyclohexane, ethyl ether and ethanol.
Suppose the voltage across a telephone line at the subscriber drops from 48V to 10V when the phone goes off hook. If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit
A burglar alarm in a house emits sound at a fixed frequency of 3.1 kHz. On a windy day a person cycles past the house while the alarm is sounding. What frequency does the cyclist hear
A linear digital filter Hd(z) is given below, and the sampling rate is T=0.1 seconds. Hd(z)=(z-j)(z+j)/(z-0.5)(z+0.5) 1. Show poles and zeros of Hd(z)in the complex z plane. Is this filterstable
A 1.00kg mass oscillates according to the equation x=0.600cos8.50t, where x is in meters and t is in seconds. Determine the kinetic energy when x = 0.360m
An unknown solution containing one of the salts ZnSO4, MgSO4 or SrCl2 gives a negative flame test but tarnishes a piece of magnesium inserted into the solution. Which salt was in the solution
The mass percent of water in a hydrate of MnCl2 is 36.41%. What is the empirical formula of the hydrate
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