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Discuss the key atomic properties (charge, shielding, orbital configuration, etc) that contribute most significantly to following periodic trends
1) Atomic and ionic size
2) Physical properties
3) Chemical properties
Select an example of a transition metal that does not follow the orderly filling of electrons. Propose an explanation for this exception and speculate on what chemical or ionic properties you would expect to see.
For example if your compound is water and you have the information the boiling point, Tb=(99.98 C), the enthalpy of vaporization= (40.65 kJ/mol) and the molar mass= 18.02g/mol.
200.0 mL flask containing 1.03 mg and 0.56 mg O2 I have a 15 * C to calculate the partial pressures of oxygen and helium in a flask. which is the total pressure
Create a balanced chemical equation showing a monoprotic acid and a diprotic acid with sodium hydroxide, NaOH.
Calcite (CaCO3) has two types of bond. What are the two types? Demonstrate which is the stronger by calculating the degree of ionic character of each bond
Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation: CH4(g)+H2O(g)?CO(g)+3H2(g) In a particular reaction, 26.0L of methane gas (measured at a pressure of 734torr and a temp..
a student ran the following reaction in the laboratory at 310 k2 nog br2g 2 nobrgwhen she introduced 0.140 moles of
Use standard heat of formation data to calculate the heat released per gram of B2H6 when burned with O2(g) to afford boric acid (H2BO3(s)).
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar (or sucrose, C12H22O11).
A given mass of a real gas in a rigid container is heated from 400 to 1200K. Which of the following responses best describes what will happen to the pressure of the gas
Calculate the equilibrium constants of the dissociation and the standard enthalpy of dissociation at the mean temperature.
Hydrogen has three isotopes (1H 2H and 3H) and chlorine has two isotopes (35Cl and 37Cl). How many isotopic kinds of HCl are there. Write the formula for each, and tell how many protons, neutrons, and electrons each contains.
A 100 mL sample of .10 M NH3 is titrated with .10 M HNO3. Determine the PH of the solution after the addition of 150mL HNO3 the Kb of NH3 is 1.8X10^-5
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