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how many kilograms does it take to sink a model barge with the following measurements in a calm pool; 300.00 cm * 25.00 cm * 68.00 cm with a mass of 850.0 grams
Calculate the amount of heat released when 5.3 moles of steam at 100 degrees celscus turns to water at the same temperature
If the temperature probe in an experiment is not calibrated and the values are 3.5 degrees C higher than they should be, what effect will that have on the delta T values when the initial value is measured with the thermometer and the latter is mea..
A student mixed 50.0 mL of 0.50 M H2SO4 (aq) at 18.5 degrees C with 100 mL of 0.50 M NaOH (aq) at the same temperature. After the reaction was completed, the temperature rose to 22.0 degrees C. What was the heat of reaction? (Assuming the densitie..
What is the change in the internal energy of the system as the system travels down the isotherm from state A to state C? Change in internal energy down the isotherm
Place the following compounds in order of increasing strength of intermolecular forces. CH4, CH3CH2CH3, CH3CH3
has a volume of 58.0L and a pressure of 645mmHg. What is the temperature, in kelvins and degrees Celsius, of the gas?
What weight of Pb(NO2)2 wil have to be dissolved in one liter of water to prepare a 100ppm Pb2+ solution.
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
arrange the following in increasing order of mass.
A titration was performed between 25 mL of 0.100 M NH3 and 0.100 M HCl. Calculate the pH of NH3 solution at the following points during the titration.
A certain reaction with an activation energy of 195 K was run at 535K and again at 555 K What is the ratio of f at the higher temperature to f at the lower temperature
a student performs two melting-point determinations on a crystalline product. in one determination, the capillary tube contains a sample about 1-2 mm in height and the melting range is found to be 141 degree - 142 degree celsius
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