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1. If a pressure in the system is 1.2 atm, its volume is 31 L and the temperature is 87 C, what amount of gas is present in the system? Show work
2. If 3 moles of gas occupy a container with volume of 60 L at temperature of 400 K, what pressure would the system experience? Show work
A system contracts from an initial volume of 15.0 L to a final volume of 10.0 L under a constant external pressure of 0.800 atm
Problem- What is the calcium ion concentration in a solution prepared by mixing 341 mL of 0.425 M calcium nitrate with 441 mL of 0.335 M sodium fluoride? The Ksp of calcium fluoride is 3.2 × 10-11
a sample of gaseous neon atoms at atmospheric pressure and 0 c contains 2.601022 atoms per liter. the atomic radius of
A 460 mL sample of oxygen (O2) was collected by displacement of water at 24 ? C under a total barometric pressure of 1095 torr. What mass of dry oxygen was collected? The vapor pressure of water at 24 ? C is 22 torr
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius
Question- Note the electronic structure of Cadmium (II) and indicate the group (type A, borderline, or type b) in which it should be placed. Predict the principal inorganic forms of the element in fresh and sea water under both oxidizing and reduc..
If water drips from a faucet at a rate of one drop per second, explain how many liters could be collected after ten hours. Presume 20 drops equal one milliliter.
Give a nanoscale interpretation of the fact that at the melting point the density of solid mercury is greater than the density of liquid mercury, and at the boiling point the density of liquid mercury is great than the density of gaseous mercury.
In a purity check for industrial diamonds, a 10.25 carat diamond is heated to 74.21 oC and immersed in 26.05 g of water in a constant pressure calorimeter.
initially the temperature is 97.3 degrees celsius. At this temperature the partial pressure of water is 745 mm Hg (torr). What is the % by mass of aniline in the distillate?
A. In Lewis theory, the two bonds in a double bond look identical. However, valence bond theory shows that they are not.
the ha monoprotic acid is dissolved in h2o calculate ka and pka for the acid ha if the equilibrium concentrations of
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