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Question: Heating elemental cesium and platinum together for several days at 973 K gives a dark red ionic compound that is 57.67% Cs and 42.33% Pt.
a. What is the empirical formula of the compund?
b. What are the charge and electron configuration of cesium ion in this compound?
c. What are the charge and electron configuration of the plattium ion in this compound?
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 765mmHg and a temperature of 20?C.
What pressure is needed to make the following changes. 130 mL of a dry gas at 740 torr to 150 mL.
one mole of B at 2 bar are separated by a partition and surrounded by a heat reservoir. when the partition is withdrawn, how much does the entropy change?
What volume of 0.200 M HCl must be added to 500.0 mL of 0.250 M NH3 to have a buffer with a pH of 9.00
Calculate the fraction of atoms in a sample of argon gas at 400K that have an energy of 10.0 KJ or greater.
What is the pH of a buffer solution prepared from 5.15g of NH4NO3 and 0.10L of 0.15M NH3? What is the new pH if the solution is diluted with pure water to a volume of 500mL
Calculate the amount of water per gram of compound required to steam distill nitrobenzene (MW 123.11), which has an azeotrope temperature of 99 oC.
A sample of carbon monoxide gas whose mass is 7.75 g is heated from 25 oC to 166 oC at a constant pressure of 5.52 bar.
What is the balanced net ionic equation for precipitation of CaCO3 when aqueous solutions of Na2CO3 and CaCl2 are mixed
if you have 370 ml of water at 25 degrees Celcius and 130mL of water at 95 degrees C. what is the final temperatue of the mixture?
one heating 5.03 g of hydrate barium chloride, 4.23 g is left behind. what is the name of this hydrate?
In which of the following are there more than eight electrons in the valence shell of the central atom
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