Determine distance of island from coast in feet
The helicopter hovers 1830 feet above the island. Angle of depression from helicopter to the point on coast is 38 degrees. Determine distance of island from coast in feet?
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A bottle of wine having the 14.5% ethanol by volume and where the density of ethanol (C2H5OH) is 0.789 g/cm3. Determine the concentration of ethanol I in wine in terms of mass molality and percent.
What is the probability that no two of the dice land on the same number? Given that no two of the dice land on the same number, what is the conditional probability that B<Y<R?
Describe the composition of a methanol (CH3OH)-propanol (CH3CH2CH2OH) solution which is having a vapor pressure of 188 torr at 40°C? At 40°C, here the vapor pressures of pure methanol is 303 and the pure propanol is 44.6torr. Assume the so
The freezing point of t-butanol is 25.50°C and Kf is 9.1°C·kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 30.0 g sample of t-butanol is 24.59°C, determine the number
Determine the de Broglie wavelength of a baseball of mass 0.17kg which is thrown with a velocity of 30 m/s.(me(mass of electron)= 9.1093819E-11)
In the composite ion [ML6]n+, Mn+ has seven d electrons and L is a strong field legend. Here the magnetic properties of the composite ion correspond that determine the number of unpaired electrons according to crystal field theory?
Suppose H0: p = 0.45 is to be tested against H1: p > 0.45 at the α = 0.14 level of significance, where p = P(ith trial ends in success). If the sample size is 200, what is the smallest number of successes that will cause H0 to be rejected
Reflect on an electrochemical cell which is constructed from the following half cells, linked by a KCl salt bridge and by an external circuit.
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