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What is the maximum possible number of electrons in a ground-state carbon atom that have ml = 0?
One method of estimating the temperature of the center of the sun is based on the assumption that the center consists of gases that have an average molar mass of 2.00 g/mol.
a helium balloon is held at 1.2 atm of pressure and 300 K. If the pressure on the balloon increases to 4.2 atm, to what temperature must the balloon be heated , to maintain its same volume?
An insoluble non reactive solid metal sphere weighing 41.55 g is added to 35.82 mL of water in a graduated cylinder. If he density of the metal is 11.91 g/mL
Suppose that 5193.0 J of heat energy is added to 7 g of ice initially at -10 C. (This could be done, for example, by electrical heating of ice in an insulated container.) What is the final temperature of the water
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
Write the net-ionic equation that represents the reaction that occurs when the C2H5NH2 solution is mixed with the HCl solution.
the electronic configuration [Ar]3d2. Using the extended Hund's rules, determine the term symbol of the lowest energy state of Ti2+.
Describe spectroscopic or chemical tests to distinguish between the following pairs of compounds
The sample is placed in a drying dish (weight = 0.5000 g before the sample is added), and then placed in an oven at 104°C until all the moisture is evaporated.
What is the mass of H2SO4 in 520.0 cm3 sample of sulfuric acid that has a density of 1.55 g/cm3 and which consists of 55.0 % H2SO4
diluted with pure air to reduce the methane concentration to the lower flammability limit . calculate the rquire flow rate of air in mol/h and the precent by mass of oxygen in the products gas
Write a chemical equation for LiOH(aq) showing how it is an acid or a base according to the Arrhenius definition.
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