What effect does error in calibration on general molar mass
Suppose the thermometer is miscalibrated to read .3 degrees C higher than actual. what effect does this error in calibration have on the general molar mass of the compound, explain.
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The initial temperature of the calorimeter contents is 21.81°C. A 1.132 g sample of benzoic acid (ΔEcomb = -26.42 kJ/g) is combusted in the calorimeter. What is the final temperature of the calorimeter contents?
Use the wattage of the lightbulb and the time it is on to calculate in joules (assume that the cylinder and lightbulb assembly is the system and assume two significant figures).
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A 31.0-g sample of water at 290. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
When 0.060 mol of propionic acid, C2H5CO2H, is dissolved in 500 ml of water, the equilibrium concentration of H3O+ ions is measured to be 2.41 x 10-3 M. What is Ka for this acid?
A student sets up two reactions. Reaction 1 uses 0.190 mol/L of reactant, and Reaction 2 uses 0.470 mol/L of reactant. How many times faster is Reaction 2 compared to Reaction 1?
The man pulls the boy up to the tree limb by walking backward. If he starts from rest when = 0 and moves backward with a constant acceleration = 0.2 , determine the speed of the boy at the instant = 4 .
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