Calculate the final temperature of the mixture
A 32.0-g sample of water at 290. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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A solid block of exactky 100.0 cm 3 has a mass of 153.6g. Determine its density. Will the block sink or float on water?
The vessel volume is 1.5m^3 and a standard six-blade open turbine with blades at 45C is to be used with Da/W=8 and Da/Dt=0.35.
What will be the concentration of in the battery after 3.40 of current is drawn from the battery for 4.50? Express the molar concentration numerically.
Calculate the mole fractions of Fe3+ and SCN- in this solution with respect to the total number of moles of Fe3+ and SCN-. This means, of course, that these two mole fractions should add up to 1.00.
Determine the values of Q that minimizes unit sales cost UC = TC/Q; and compute the annual profit earned by the plant at this quantity.
A gas company charges $1.30 for 15.0 cubic feet of natural gas. (a) Convert this rate to dollars per liter of gas. (b) If it takes 0.304 cubic feet of gas to boil a liter of water, starting at room temperature (25 degrees C), how much would it cos
At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
The Chopper controls a dc machine with an armature inductance of 0.2mH. the armature resistance can be neglected. the armature current is 5A, switching frequency is 30kHz and diode voltage is 0.8?
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