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(a) Does doubling the volumes of acid and base in a neutralization reaction double the amount of heat released? Explain
(b) Does doubling the concentrations (but not the volumes) of acid and base in a neutralization reaction double the amount of heat released? Explain
The four molecular p orbitals of the four carbon atoms can be lined up parallel in order to create four new molecular orbitals. The electrons in the new molecular orbitals benefit because they are not confined to just one atom.
a sample of methane of mass 4.5 g (4.5g(1mol/16.04g)=.2804mol) occupies 12.7 L at 310K. a) Calculate work done when the gas expands isothermally (delta T=0) against a constant external.
an ideal gas initally at 600 K and 10 bar undergoes a four step mechanically reversible cycle in a closed system. In step 1-2, pressure decreases isothermally
When the following equation is balanced, what is the mole ratio of H2O to Be3N2?
How much work would have been done if the gas were ideal? Account for the differences the two values.
At 25 0C the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in the solution is 17.4 cc/mol.
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion of 4.00 g of this compound produced 5.87 g of carbon dioxide and 2.40 g of water.
a 25.0 ml sample of H3PO4 requires 50.0ml of 1.50ml M NaOH for complete neutralization. what is the molarity of the acid?
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
a solution of 4.00 g of sodium carbonate is mixed with one containing 4.00 g of silver nitrate. after the reaction is complete, the solutions are a mixture of salts.
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps.
what is the density of the block? How to approach the problem The apparent mass of the object in the fluid, 5.6 , is equal to its mass in air, 50.0 , minus the mass of the displaced fluid
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