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Hydrogen cyanide is produced industrially by the following exothermic reaction. 2 NH3(g) + 3 O2(g) + 2 CH4(g)---> 2 HCN(g) + 6 H2O(g) Is the high temperature needed for thermodynamic or kinetic reasons?
what is the lewis dot structure of HXeSH the formal charges on each atom should be = to 0
How can integral dQrev/T vanish when integrated around a cycle while the cyclical integral of dQrev remains finite
A student attempted to identify an unknown compound by the method used in this experiment. she found that when she heated a sample weighing 0.4826 g, the mass barely changed
The osmotic pressure of blood at normal body temp of 37 deg C is 7.65 atm. Sometimes it is necessary to add a saline (NaCl) solution by intravenous injection to a patient in the ER.
When the two cylinders are connected and the gases mixed, the pressure in each cylinder becomes 8.71 atm. What is the volume of cylinder B?
When PCl3(g) (420.9 grams) and 0.007859 mol/L of Cl2(g) in a 390.0 L reaction vessel at 340.0 °C are allowed to come to equilibrium the mixture contains 200.7 grams of PCl5(g). What concentration (mol/L) of PCl3(g) reacted? PCl3(g)+Cl2(g) = PCl5(g..
2I2 + N2H4 4HI + N2 a.How many grams of I2 are needed to react with 36.7 g of N2H4?
Derive an expression for the compression factor of a gas that obeys the equation of state P(V - nb) = nRT
What is the molarity of a solution prepared by dissolving 72.0 g of HCI in enough water to make 500 ml of solution.
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
A sample contained a mixture of CdS and ZnS. The amount of CdS was determined by reacting 5.903 g of the sample with an excess of HCl to release H2S from each compound
Given that the freezing point of pure water is 0 C and that the freezing point depression constant for water is 1.853 (C kg)/mol calculate the molar mass (g/mol) of this compound
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