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Question- What volume (L) of an aqueous solution that is 66.00 % by mass glycerol (C3H8O3) and has a density of 1.17 g/mL must be taken to obtain 2.77 mol of glycerol?
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Methane the principal component of natural gas is used is used for heating and cooking. The combustion process is CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l). If 12.1 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 21.5 d..
what is the mass of hydrogen gas released from 2.70 g of aluminum metal and hydrochloric acid?2 als 6 hclaq 2 alcl3aq
calculate the volume of air at 35 degrees Celsius and .96 atmosphere that is needed to burn completely 12.51 grams of pentane
An aqueous solution containing 35.0% by mass of an unknown covalent compund in water was found to have a freezing point of -3.5 deg C. Calculate the molar mass of the unknown compund.
The procedure instructs you to use a stir bar to mix the solution while adding NaOH. Descirbe any differences in the graph
A 1004.0 g sample of calcium carbonate that is 95% pure gives 225 L of carbon dioxide at STP when reacted with an excess of hydrochloric acid. What is the density in g/L of the carbon dioxide?
what is the pressure in millimeters of mercury of 0.0110 of helium gas with a volume of 214 at a temperature of
Given 479.5 g of hot tea at 83.0 *C , what mass of ice at 0 *C must be added to obtain iced tea at 10.5*C? The specific heat of the tea is 4.18 J/g*C, and change in H(fusion) for ice is +6.01 kJ/mol.
A solution is prepared by adding 0.14 mole Na2HPO4 and 8.2 grams of NaH2PO4 to sufficient water to prepare a 1.00 L solution. What is the pH of the solution?
Will turn into a liquid at room temperature. Off the Periodic Table pick three solid elements that would float when placed in mercury as well as three elements that would sink when placed in mercury.
Determine the amount of heat evolved in the combustion of 1 mol of methane gas to carbon dioxide and water (liquid). Assume standard conditions apply. Methane is CH4 and may be an important automobile fuel someday.
hard water is caused by the presence of dissolved salts. one ofthe main components is caco3. when hard waterevaporates
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