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A J tube is filled with air at 22C and 760 Torr. The long arm is closed off at the top and is 100 cm long. The short arm is 40 cm. Mercury is poured into the short arm with a funnel. What is the pressure on the air when Hg starts to spill out.
There are several slip systems that can be active in olivine (orthorhombic). Dislocation glide is easiest at high temperature in the (010)[001] slip system
Clausthalite is a mineral composed of lead selenide (PbSe). The mineral adopts a NaCl-type structure. The density of PbSe at 25C is 8.27g/cm^3. Calculate the length of an edge of the PbSe unit cell in Angstroms.
Calculate the pH of a water at 25oC that contains 3.69 mg/L of carbonic acid. You may assume that the concentrations of carbonate and hydroxide are negligible and that there are no other ions present in solution.
90.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.5.
Butane (C4H10) has a heat of vaporization of 22.44 kJ/mol and a normal bioling point of -0.4 celsius. A 250 Ml sealed flask contains 0.55 grams of butane at -22.0 celsius. How much butane is present as a liquid?
The density of a 50% solution of NaOH is 1.525 g/mL. What volume of a solution that is 50% by weight NaOH is required to make 1 Liter of 0.15M NaOH solution.
what is the concentration of H+ ions in a solution of hydrochloric acid that was prepared by diluting 5o.o ml of concentrated
What is the hydronium ion concentration in an aqueous hydrochloric acid solution that has a pOH of 11.540 ?
What components of phospholipids contribute to the liquid crystal nature of membranes
Consider the oxidation of sodium metal to sodium oxide described by the balanced equation
Does a chemical change occur when you cook an egg? Why or why not? When you fry an egg, it becomes a solid, the heat makes it smoke, and the color changes from clear and yellow to all yellow.
A 0.0050 molar solution of sugar is separated from pure water by a membrane at 20 C. What is the osmotic pressure?
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