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Calculate the energy produced when 15 grams of liquid methanol (CH3OH) is completely burnt in air to produce carbon dioxide gas and water liquid
PH of Acetylsalicylic Acid, The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka = 3.3x10-4
Determine the minimum mass of Sodium bicarbonate or sodium hydrogen carbonate that should be added to the spill to neutralize it?
if it takes 6.02 kJ of heat energy to melt a mole of ice, how much heat is absorbed when 6.30 g of water melts?
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
A healthy stream has an oxygen concentration of 0.00850 g/L. Assuming no biological process affects this concentration, what must be the pressure of oxygen
Prepare 1.00L of a pH~12 buffer with a total phosphate concentration of 0.050 M.You have at your disposal the following compounds
ow many milliliters of 0.200 M NaOH will be required to titrate 8 mL of 0.479 M H2SO4
How many mL of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 mL of ethanol? The Molar Mass of ethanol is 46.07g/mol.
Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base
You place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature Initially,. Determine which of the two liquid samples will cool faster and also explain why this happens.
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
If desalinated water costs 2250 per acre-foot, how much does desalinated water cost per liter?
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