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How many moles of nonane (C9H20) and oxygen are required to produce 13.5 moles of carbon dioxide and 15 moles of water by complete combustion? a. 1 mole of nonane and 14 moles of oxygen b. 1.5 moles of nonane and 21 moles of oxygen c. 1 mole of nonane and 21 moles of oxygen d. 1.5 moles of nonane and 14 moles of oxygen
Calculate the intermolecular collision frequency and the mean free path in a sample of helium gas with a volume of 5.0 L at 27C and 3 atm. Assume the diameter of a He atom is 50 picometers (pm).
A 14.31 g sample of hydrated magnesium sulfate (MgSO3• x H2O) is heated to remove the water of crystallization and 6.99 g of anhydrous magnesium sulfate (MgSO4) remains.
Pretend you started with 3.15 g of Panacetin, and you isolated 822 mg of sucrose. What is the percent composition of sucrose in Panacetin?
A certain plant material is known to contain mainly trimyristin and tripalmitin in approximately equal amounts. Tripalmitin, the structure of which you should look up in a reference source,
a sample of the sugar d-ribose c5h10o5 of mass 0.727 g was placed in a calorimeter and then ignited in the presence of
suppose you wanted to dissolve 106 g of Na2CO3 in enough H2O to make 6.00L of solution what is the molar mass of Na2CO3.
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
a mixture contains 76.5 nacl and 6.5 mgcl2 and 17 na2so4 by mass what is the molarity of cl- ions in a solution formed
What mass of oxygen will be dissolved in the water? The temperature of the water is 58 C, KH (02)=.00141 M/atm, and the mole fraction of oxygen gas in .23
A researcher studying the nutritional value of a new candy places a 4.20-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.71 °C
a Balanced reaction equation must have the same number of atoms of each element on both sides of the equation. to verify that the equation is balanced, count the otoms of each element on both sides of the reaction
If gasoline's composition is estimated to be 50% octane, 25% pentane and 25% ethly benzene on a mol basis, calculate the mols of oxygen required per mol of fuel for complete combustion.
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