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Find the heat required for 5-kg water to be heated from 30 Celsius degree to 50 Celsius degree. Express the temperature of 50 Celsius degree in Fahrenheit scale.
Under what conditions does the gas become non-ideal?
A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. the combustion of 88.5 mg produced 241 mg of CO2 and 49.2 mg of H2O. the molar mass of the compound was 162 g/mol.
dissolved in water to produce a 0.0172 M solution. The pH of the resulting solution is 2.34. Calculate the Ka for the acid.
describe a procedure by which you would prepare 250 cubic centimeter of aqueous sulphamic acid of accurately known
The heat energy required to melt 1.00 g of ice at 0°C is 333 J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0°C?
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
Consider and insulated oven with an electrical heating element. The oven is turned on and the temperature begins to rise. Indicate whethen lost work (LW) or Q are present for the following systems
what are the molar concentrations for Na+, Cl-, OH- in the resulting solution? Assume a total volume of 100 mL.
Question- Which of the following ''family'' of phosphate species is least likely to be present in your soda sample. Explain your choice. H3PO4 , H2PO4^- , HPO4^2, PO4^3
This compound undergoes catalytic hydrogenation to give 2,2,4-trimethylpentane.
A zero-order reaction has a constant rate of 2.90×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 9.00×10-2 M, what was the initial concentration.
how many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing? The solubility of asprin in water is 0.33g per 100mL at room temperature.
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