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An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6965 J. What is the specific heat of the gas?
Microwave ovens emit microwave energy with a wavelength of 12.0 cm. What is the energy of exactly one photon of this microwave radiation
What is the molarity of an NaCl solution prepared by dissolving 9.3g NaCl in sufficient water to give 350mL of solution.
What is the pressure (in mmHg) of the gas inside the apparatus below if the atmospheric pressure is Patm=775 mmHg, h1=20 mmHg, and h2=50 mmHg
How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution?
What is the condensed structure of ibuprofen and names of the functional groups present in molecule
At 22C(Celsius) an excess amount of a generic metal hydroxide M(OH)2 is mixed with pure water. The resulting equilibrium solution has a pH of 10.14. What is the Ksp of the salt at 22C
an amount of sucrose a nonelectrolyte 342.30 gmol is dissolvedin 233.0 grams of water that increases the boiling point
A: 2-methyl-1-bromohexane B: 1-bromohexane which of the above compounds will react the fastest with NaI in acetone?
Question- How much energy (in kilojoules) is released when 8.80g of water at 30.5 C is cooled to -17.0C? The heat of fusion of water is 6.01 kJ/mol, and the molar heat capacity is 36.6 J/(K mol) for ice and 75.3 J/(K mol) for liquid water.
How would you prepare 1 L of a .050M phosphate buffer at pH 7.5 using crystalline K2HPO4 and a solution of 1.0M HCl
a solution of ethanol c2h5oh in water is prepared by dissolving 72.0 ml of ethanol density 0.79 gcm3 in enough water
If 3.25ml of vinegar needs 40.0 of 0.130M NaOh to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.30qt sample of this vinegar.
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