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what is the internal energy change of a gas gives off 312 of heat while being compress 862mL by a pressure of 1.64 bar? what are internal energy change in surrounding and universe for the process?
Assuming that the calibration curve passes through the origin, what absorbance would be recorded for a solution with a Pb(NO_3_)_2_ concentration of 0.335 M.
Determine What would be the density of the solid if density of toluene at the temperature of the experiment = 0.864 g/mL.?
How can one decompose superabsorbent polymers? That is how can one make the dry crystals smaller?
Glucose Isomers, When glucose is placed in water two stereoisomers are formed, one with the new OH on the opposite side of the ring than the 6th carbon
Write the balanced equation for the yeast using glucose to produce energy, ethanol and carbon dioxide.
A unit of heat energy that was formerly used frequently was the calorie (cal). Calculate the calorimeter constant for the coffee-cup calorimeter in terms of cal/g degrees C.
The mass of a cube of iron is 292 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions.
Natural gas is a mixture of many substances, primarily CH4,C2H6,C3H8 and C4H10. Assuming that the total pressure of the gases is 1.34 atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each g..
Which possesses more energy a photon with a wavelength of 528 nm or a photon with a frequency
If you were to combine a 200.0mL aqueous solution of 0.75M NaHCO3 with 200.0mL of 0.50M CaCl2 in a constant pressure calorimeter, what change in temperature would you measure?
Sodium methoxide reaction: Pipet 1.65 mL of a 25% (by weight) solution of sodium methoxide in methanol into a 10 mL reaction flask.
Using the arhennius equation to plot ln(equilibrium constant) vs. 1/Temperature, how can we determine the enthalpy of reaction
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