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Which is more dense, Argon or Xenon? Assumente temperature and pressure are constant. Explain.
Calculate Kp at 298 K and 490 K for the reaction NO(g) + 1/2 O2(g) = NO2(g) assuming that Delta H(g) is constant over the interval 298 K - 600 K.
Explain briefly why CuSO4 is more soluble in water than in organic (nonpolar) solvent.
Cesium-131 is a short lived radioisotope (t 1/2 = 9.7 days) used to treat prostate cancer. How much therapeutic strength does a cesium-131 source lose over 45.0 days?
a water solution containing 2.00 g of an unknown molecular substance dissolved in 10.00 g of water has a freezing point
the electron in the n 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. to what energy level
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
The nitrogen in a 4-tablet sample that weighed a total of 7.50 g was converted to ammonia by Kjeldahl digestion, followed by distillation into 100.0 mL of 0.1750 M HCl. The analysis was completed by titrating the excess acid with 11.37 mL of 0.108..
How many moles of (NH4)3PO4 are present in 100.0 mL of 2.50 M (NH4)3PO4?
In analysis of interhalogen activity, 0.110 mol of ICl was placed into a 1.00 L flask and allowed to decompose at a high temperature: 2 ICl(g) I2(g) + Cl2(g) Given that Kc = 0.361, calculate the equilibium concentration of I2
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.23 V
After distributing the remaining valence electrons so that the carbon and each chlorine atom has an electron octet, write the lewis structure for CCl4 in the box.
The dialyzing bag is then immersed in distilled water. Which of the following actions should be taken to remove the most salt from the mixture? Leave the bag in the distilled water for an extended period of time, Replace the dialyzing bag periodic..
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