What is the final temperature of 62g of titanium
What is the formula for solving the following problem? The specific heat of Ti is .523 J/gcelcius. What is the final temperature of 62g of Ti intially at 41celcius after 8.5kj of heat is added?
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The vapor pressure of CH3 COCH3 (propanone or acetone), is 67 Torr at 0 ? C and 222 Torr at 25 ?C. What is the standard enthalpy of vaporization of propanone? Answer in units of kJ/mol.
Calculate the standard emf of a cell that uses the Mg/Mg^2+ and Cu/Cu^2+ half-cell reactions at 25 degrees celsius. Write the equation for the cell reaction that occurs under standard-state conditions.
A calorimeter contains 34.0 mL of water at 13.5, ^{circ}C. When 1.80 g of rm X (a substance with a molar mass of 70.0 g/mol) is added. Calculate the enthalpy change, Delta H.
Suppose you have 0.001 M solution of a dye with pka of7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
Say you removed an ice cube at -10 ºC weighing 36 g from your freezer. Now you place the ice cube in a 90 g sample of liquid water at 20 ºC in an insulated (thermally isolated) container. Describe the final state of the system in terms o
Then 25 mL of the solution are reacted with excess AgNO3 and 0.3800g AgCl precipitate formed. What was the mass percent of D2O in the original sample of enriched water?
Gaseous germane reacts according to the balanced equation. If a total of 5240 kJ of heat is produced in the reaction as written, how many moles of O2 are consumed?
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