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When gasses F2 and solid I2 are heated to high temperature, the I2 sublimes and gasses iodine heptofluride forms 2.7x10^2 torr of T2 and 3.8 g of solid I2 are put in to a 2.5 L Container at 2.5x10^2 K and container is heated to 5.5 x 10^2 K A what is the final pressure in atms? what is the partial pressure of the I2 gas?
Use values of ksp and kf for copper (II) hydroxide and its complex to predict if a precipitate should form in a 0.1 M Cu2+ solution that is 3M in OH-
How much entropy does this produce per hour in the surroundings at 25.4 °C? Assume the heat transfer is reversible.
when 2 moles of mg3n2 are allowed to react with water to form ammonia gas and magnesium oxide how many moles of h2o are
1. Why was excess dry ice used in step 3 of the procedure? 2. Why do gas laws use degrees Kelvin rather than degrees Celsius? 3. Were you surprised at how accurately the mass of a molecule of CO 2 could be determined With such simple equipment?
What is the mole fraction of ethanol in this solution. Sdduming ideal-solution behavior, what is the vapor pressure of the solution at 63.5 C. What is the mole fraction of ethanol in the vapor above the solution
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
A sample of 0.255 mole of gas has a volume of 748 mL at 28°C. Calculate the pressure of this gas. (R= 0.0821 L · K)
A helium nucleus has two protons and two neutrons. How many electrons would it take to equal the mass
The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K: PCl5(g) PCl3(g) + Cl2(g) Calculate the equilibrium partial pressures of all species when PCl5(g)
What is the "mass per volume" percent of a household bleach product? I believe the question is asking for a calculation but I do not know how to proceed
What volume of reduced soy sauce (575 mg Na/15 mL) would be predicted to require 25.00 mL of 1.0 M AgNO3 for titration assuming all the sodium is derived from NaCl? A.W. Na= 23
How much heat is absorbed in the formation of 1.69 mol of NO? Answer units KJ
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