Find the enthalpy change for the chemical
Find the enthalpy change for the chemical reaction below PCl5(g) ----> PCl3 (g) +Cl2 From the following equations: P4 (s) + 6Cl2(g) ----> 4PCl3(g) DeltaH = -2439 kJ 4PCl3(g) ----> P4 +10Cl2 (g) Delta H = 3438 kJ
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Suppose you want to move a database from its current location to a new location (and computer) that is three hours driving time away. The data has been copied on to 50 DVDs, each containing 4.7GB of data. What is the effective data rate of thi
2NO+O2 makes NO2, what mass of NO2 is formed when NO reacts with 384g O2?, how many grams of NO are required to react with this amount of O2?
In an experiment, a student gently heated a hydrated copper compound to remove the water of hydration. The following data was recorded:
A reaction mixture initially contains a Br2 partial pressure of 755 torr and a Cl2 partial pressure of 725 torr at 150 K. Calculate the equilibrium partial pressure of BrCl.
Imagine you are advising a company that owns a large database and has customers distributed across the USA. The company wants to give its customers the lowest possible latency when accessing its database and has asked you to recommend a strate
An aqueous solution is 48.3% by mass hydroiodic acid, HI. The density of this solution is 1.6 g/ml at 20 C. How many grams of pure HI are there in 190.0 ml of this solution at 20.0 C?
A 10-lb block is attached to an unstretched spring of constant k=12lb/in. The coefficients of static and kinetic friction between the block and the plane are 0.60 and 0.40, respectively.
If B gas at 0.221 bar is injected into a container at 665 °C that contains excess A, what are the partial pressures of all gases present at equilibrium?
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