Determining the heat capacity
The molar heat capacity of a gas at constant pressure is 18.7J mol-1 K-1. What is the heat capacity of 9.4 moles of this gas at constant volume?
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Draw expected results if powder samples of Al2O3 and SiO2 are studied using TG and DSC in the temperature range of 30 - 1500 oC.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places.
Neither carbon tetrachloride nor trans CHBr=CHBr have dipole moments. Both have cery different molecular geometries. What are their molecular geometries, and why are they different?
For a reversible reaction with a one-step mechanism, A B , the rate of the forward reaction is ratef = 3.2 x 10-6 s-1 [A] and the rate of the reverse reaction is rater = 4.6 x 10-4 s-1 [B]. What is the value of Kc for this reaction
Titration will require more moles of base than acid to reach the equivalence point. E. titration will require more moles of acid than base to reach the equivalence point.
How does an increase in pressure effect the solubility of a gas in a liquid. A. As pressure increases, gas solubility increases. B. As pressure increases, gas solubility remains the same.
The ratio of carbon, hydrogen, and oxygen atoms in a molecule is 4:6:1. What is the molecular formula of the compound if the gfm is 280 grams
What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.56 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.30 mol of HI? (assume no volume change) p
a) If one of the electrodes is Al (suspended in a 1 M Al3+ solution), and the volt meter reads 2.00 volts, what is the identity of the other solid metal electrode
How many jules of energy are needed to change 275 g of water from 15 degrees celcius to steam at 50 degrees celcius
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