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How do you determine the specific heat in a closed container?
what is the ph of a solution that is 0.100 M in HCl and also 0.125 M in HC2H3O2? What is the concentration of the acetate ion in this solution?
What mass of O2 in grams is required for complete combustion of 25.5 g of CH4? What is the total mass of product expected from the combustion of 25.5 g of methane
Neglect activity and assume that neither Hg2+ nor SCN- react significantly with water (no formation of HgOH+ or HSCN). Hint: you will probably want to make an assumption in the charge balance to simplify the problem and then test to see if the ass..
Calculate delta A of reaction and delta G of reaction for the reaction C6H6 (l) + 15/2 O2 (g) --> 6CO2 (g) + 3H2O (l) at 298 K from the combustion enthalpy of benzene and the entropies of the reactants and products.
The first ionization energy of Ne is 2081 kJ/mol. The sodium ion Na+ is isoelectronic with Ne, but the ionization energy for Na+ is 4560 kJ/mol. Why is it harder to remove an electron from Na+ than from Ne if they are isoelectronic
A 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml.
Pure oxygen gas can be prepared in the laboratory by the decomposition of solid potassium chlorate to form solid potassium chloride and oxygen gas. How much oxygen gas in grams can be prepared from 98.4 of potassium chlorate
A bottle of wine consists of an 11 weight percent solution of ethanol (C2H5OH) in water. If the bottle of wine is chilled to -20oC, will the solution begin to freeze? Kfp for water is 01.86 oC?m-1
Name and depict the structures of six compounds that have the formulaC6H7N, a five or a six membered ring, and are aromatic.
The tank can hold a pressure of 50.0 atm before bursting. During a fire the gas is heated to 500 C. What is the gas pressure, and will the tank contain the gas without bursting
a mixture of hydrogen gas of 8.0 mol and oxygen gas of 4.0 mol is placed in a sealed evacuated container made of a
What is the pressure in a 17.1 L cylinder filled with 47.9 g of oxygen gas at a temperature of 341 K?
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