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You are expected to design a car that works with photovoltaic panels. Assume that the driver is 75kg and the expected speed is 50km/hr. Is this possible? What is the are of solar panel that would be required on a sunny day?
Solutions of AgNO3 and KCl are combined and 0.683 g of a precipitate are formed. What is the precipitate and how many moles were formed.
You are given a worked wooden item from an archaeological dig believed to date to during the last glaciation. As such, the artifact would be another piece of evidence.
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
How much 0.230M KOH is required to completely neutralize 55.0mL of 0.220M HClO4
The half-life for the second order reaction of a substance A is 55 seconds when [A]o is 0.84 M. What time is needed for the concentration to decrease to 1/4 of the original value.
According to the given data propylamine (CH3CH2CH2NH2) boils at 49 degrees C, Trimethylamine [(CH3)3N] boils at 3 degrees C;trimethylamine has reasonably high solubility in water Propylamine is entirely miscible with water; considering that isobu..
Compute the boiling point of this solution: 1.00 X 10^2g C10H8O6S2(1,5-naphthalenedisulfonic acid) in 1.00 X 10^2g H2O (nonionizing solute).
A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system
Concentration : Dilution Problem, A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was ..
Calculate the theoretical yield of C_2H_5Cl when 127 g of C_2H_6 reacts with 250 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
Explain why a 1m solution of the compound FeCl2 in water has a lower freezing temperature than a 1m solution of KCl in water and what is the empirical formula of a compound
A sample of gas with a volume of 750 mL exerts a pressure of 98 kPa at 30 c. what pressure will the sample exert when it is compressed to 250 mL and cooled to -25 degree celsius.
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