Calculate the energy of dissolving in kilojoulesmole if 256
Calculate the Energy of dissolving in kilojoules/mole if 2.56 grams of CaBr2, calcium bromide, are dissolved in 50 mL of water in a calorimetric cup with a temperature rise of 4.5° C
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A ray of light is incident from the air onto the surface of a diamond (n=2.42) at a 30 degree angle to the normal, calculate the speed of light in the diamond
An atom has only two levels, a ground state with energy -25.0 eV, What wavelength photon is required for stimulated emission of an electron in the excited state
How many grams of NaCl are needed to prepare 250 mL of an isotonic saline solution with a concentration of .90% , assuming a solution density of 1.0g/mL
Explain what the cumulative probability distribution function indicates in this case. If the rms value is given by 2 sigma, compute the percentage of time that a signal is 12 dB or more below the rms value for a Rayleigh fading signal.
A signal has a fundamental frequency of 1000 Hz. What is its period? Assume the signal has a peak amplitude of 1 Volt and that the instantaneous power is equal to the square of the voltage, then compute the average power of the fundamental frequen
Two stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, and car 2 is moving to the left with speed v0, At what time do the two cars collide?
Write electron configurations for the following ions, and determine which have noble-gas configurations. Explain your answer. (a) Cr^3+ (b) N ^3- (c) Sc^3+ (d)Cu^2+ (e)TI^+ (f)Au^+
Explain the disclosure requirements under the Truth-In-Lending Act. In your discussion, include several examples of disclosures that are required for a fixed-rate mortgage note, as well as an adjustable-rate mortgage note.
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