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A coffee cup calorimeter was filled with a 75.0mL sample of 1.5M LiOH and 75.0mL sample of 1.5M HNO3 added. The temperature of the solution in the calorimeter rose from 24.7 degrees celsius to 36.17 degrees celsius. What is the \(\DeltaH\) per mole for the reaction?
Calculate the entropy change for 0.5 mol of an ideal gas confined in 2.0L, which expands when the stopcock is opened, and the gas comes in contact
A running automobile produces CO at a rate of 188g CO per hour. A car is left idling in a garage 5.2m long, 4.0m wide, and 2.2 m high at 20 degrees C. How long would it take to build up a lethal concentration of CO of 1000 ppmv?
Hydrogen Sulfide decomposes to the reaction 2H2S--->2H2+S2. Delta S= 78.1 j/k and the Delta H=169kJ. At what temperature would the reaction be spontaneous
What are some ways to induce recrystallization (Name 3), if your solute refuses to recrystallize after performing the required 7 steps?
Determine How much sodium hydroxide (in grams) is required to form 546 mL of solution with a pH of 10.00?
What is the mass percent, expressed to the proper number of significant figures, for each metal in the original metal mixture? Define all variables, show units, and show algebraic steps to your the answers.
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 C The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively.
predict how many grams of calcium chloride would be produced.
the NaOH solution is required to reach the endpoint in the titration of a 7.248 sample of vinegar. What is the mass percent of acetic acid in this vinegar sample?
At what total pressure of bismuth vapor is the partial pressure of Bi(g) just twice that of Bi2(g) at 1000 K? How many phases are present in the system for this situation?
How many grams of magnesium must react to displace 12.5 g of silver from a solution of silver nitrate?
An Ice cube tray holds 325 grams of water. If the water initially has a temperature of 25 C, how many kilojoules of heat must be removed to cool and freeze the water 0 C?
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