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An expandable balloon contains 3.50 dm3 of helium at 101. kPa and 23.0oC. What volume will the balloon occupy when the pressure drops to 85.0 kPa and the temperature is 10.0oC?
Some crystal of washing soda were exposed to the atmosphere for effervescence 6.02g of Na2CO3.YH2O were dissolved in 500cm^3 of water 25cm3 of this solution require 32.10cm^3 of 0.097mol/dm^3HCl, calculate the value of Y.
The FP of the solution that results from 223 g of Al2(SO4) dissolved in 1450 g of solvent would be ____°C (round answer to whole number)
Write the equations for oxidation, reduction and overall reaction for the following electrochemical cell: Cu(s)/Cu2+ (aq) // Fe 3+ (aq)/ Fe2+ (aq) / Pt (s)
Balanced the following redox equations. All occur in acid solution. a) Zn (s) + NO3 - (aq) Zn2+ (aq) + N2O (g) b) Ag (s) + NO3 - (aq) Ag+ (aq) + NO2 (g)
How many grams of ethane gas, C₂H₆, are required to occupy 154.6 L at 1.87 atm and 27.2°C?
I would like to know what gases are produced from electrolytic etching of galvanized steel using lemon juice and water as the electrolyte.
PCl3 drawn as intermolecular and intermolecular
For the following reaction, find the moles of product made given 5.41 g O2 and 2.71 g of Al. Use "mole" as unit. Do NOT use scientific notation in answer.
Al + O2 --> Al2O3
Atomic mass: Al = 26.98 g/mol, O = 16.00 g/mol
If you wanted to fill a rubber balloon to an internal volume of 3.750 L and a pressure of 128.0 kPa in a 24.60°C room with hydrogen gas from the reaction of metal and acid ( Be + HIO3), what is the minimum quantity (in mL) of a 6.500M solution of your acid you would need to generate enough hydrogen gas? (Assume you have more than enough metal)
