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If 45.0mL of ethanol {(density = 0.789 g/mL) initially at 9.0 degrees C is mixed with 45.0mL of water (density} = 1.0g/mL) initially at 28.3 degrees C in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture?
Provide an expression for the relative probability of finding a population of particles in the box in the second excited state relative to the ground state at 10000K
What was the percentage by mass of Mg(OH)2 in the original sample? When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride and water.
carbon oxide carbon ii oxide can be purified of oxygen impurities by having it react with cobalt ii oxide. if the
Ozone molecules in the stratosphere absorb much of the harmful radiation from the sun. How many ozone molecules are present in 1.00 L of air under the stratospheric ozone conditions of 227 K temperature and 1.89 * 10^-3 atm pressure
Calculate the final hydrogen ion concentration of a solution after 25.0 mL of 0.500 M HCl is treated with 40.0 mL of 0.0500 M Ba(OH)2(aq) and diluted to 100.0 mL.
Rolls of aluminum foil are 300mm wide and 0.013mm thick. What maximum length of aluminum foil can be made from 0.87kg of aluminum?
Which of the following is true regarding the solubility of gases in liquids? A) solubility always decreases as temperature increases B) solubility always increases as temperature increases
The high-field:low-field integration ration is 2:1. Deduce the structure of the organic hald and explain the NMR signals. I'm thinking it's 1,1-dichloropropane.
Calculate the molar concentration of Tl+ and Cl- in this saturated solution. Calculate Ksp value for TlCl at this temperature
If I ate to eggo waffles with lite syrup, 1 egg with a little bit of hot sauce with a bottle of water and I do Leslie Sansone's Just walk belly blasting walk with two workouts and two fast miles exercise video after I at that.. Will I have burned of..
Which atom in each of the following pairs has a larger radius. (a) Na or K (b) V or Ta (c) V or Zn (d) Li or Ba
The difference in the mercury levels in the two arms of the manometer was 11.8 cm. Atmospheric pressure was 783 mm Hg. The pressure of the argon in the container was __________ mm Hg.
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