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Problem- Calculate the standard molar enthalpy for the reaction of calcium sulfide and water to produce elemental solid calcium, hydrogen sulfide gas, and oxygen gas. is this reaction endo or exothermic? (CaS standard molar enthalpy = -482.4 kj/mol)
Please show all work. Thank you in advance
How many grams of ammonium sulfate are needed to make 0.3500 L solution at a concentration of 5.000M.
Calculate the concentration of hydronium ions [H3O+] from the measured pH values. Express your answer in two significant figures. Show your all work.
What mass of zinc in grams is required to produce 3.2L of H2 (g) from the following reaction at 78 degrees celcius and 790mmHg? Please explain
What is the specific heat of titanium in J/(g. oC) if it takes 89.7J to raise the temperature of a 33.0g block by 5.20 oC? What is the molar heat capacity of titanium in J/mol . 0C)
Amixture of nitrogen and water vapor is admitted to a flask whichcontains a solid drying agent. Immediately after admission, thepressure of the flask is 760 mm Hg.
What is the minimum amount of work the fish must do to compress his swim bladder. Derive the appropriate equation.
A sample of gas occupies 10.5 L at 600 torr and 50C. What volume will it occupy at STP?
write a balanced equation that shows the reaction of iron with oxygen to form iron oxide which may be written fe2o3.
1. identify the first 36 elements in the periodic table and understand how their atomic structure affects their
What would be the chemical potential of the gas at the same temperature but at pressure P? Assume ideal gas behavior
Melting-point ranges are determined in glass apparatus. This means that glass constitutes an impurity in the system. Why does the glass have no noticeable effect on the melting-point ranges
Suppose that the gas-phase reaction A B and B A are both elementary processes with rate constants of 6.56e-02 s-1 and 3.51e-04 s-1, respectively
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