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Neutron diffraction is an important technique for determining the structures of molecules. Calculate the velocity of a neutron needed to achieve a wavelength of 0.955 A° (Refer to the inside cover for the mass of the neutron).
State the balanced net equation for the reaction that takes place when 0.1 M solutions of cadmium (II) nitrate and ammonium carbonate are mixed.
The addition of 25.40g of an unknown metal at 90.0 C to 20.00g of water at 22.3C resulted in a final maximum temperature of the system of 26.8 C. Compute he specific heat of the metal.
Compute the molar mass of beta carotene if 10.0ml of a solution containing 7.68mg of beta carotene has an osmotic pressure of 26.57mmHg at 25.0C.
The enthalpy of formation of ethanol, C2H5OH, is -277.o kJ/mol at 298.15K. Calculate the enthalpy of combustion of one mole of ethanol, assuming that the products are CO2 and H2O
Calculate the final temperature of a mixture of 170.0 g of ice initially at -7.0 degrees C and 318.0 g of water initially at 94.0 degrees C.
Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
Calculate the pressure that CCl4 gas will exert at 40 degrees celsius if 1.00 mol occupies 28.0 L, assuming that A. CCl4 obeys the ideal-gas law
suppose that you are given a 0.700 m acetic acid solution and a 0.500 m sodium acetate solution. determine the volumes
what purpose does sodium carbonate serve during the extraction of caffeine from tea leaves?
Starting with toluene, show all the steps (complete with reagents and necessary conditions) that you would need to do to prepare the following 2 products. Make sure you pick the right order for the steps so that you get a good yield of the specified ..
A 2.00 L glass soda bottle filled only with air is tightly capped at 24 C and 744.0mmHg. If the bottle is placed in water at 75C what is the pressure in the bottle?
Predict whether the following compounds will undergo the benzoin condensation, faster slower than benzaldehyde or give no reaction. You must think about the intermediate and the nucleophile.
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