What is the molar heat of combustion of caffeine
What is the molar heat of combustion of caffeine (in kJ) when a 1.09-g sample of caffeine C8H10N4O2 burns in a constant-volume calorimeter that has a heat capacity of 7.85kJ/K. The temperature increases from the 296.25 K to 301.36 K.
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Ralph's Gas Station is running the giveaway promotion. With every fill-up of gasoline, Ralph gives out the lottery ticket which has 25% of chance of being a winning ticket. Customers who gather four winning lottery tickets are eligible for "BIG SP
Explain why the calcium hydroxide is not soluble in water, but is readily soluble in an acidic solution and also include a chemical equation that accounts for this solubility.
The two bodies are now released. Explain the motion of the center of mass and find out its acceleration.
Find out the functions of NADH and ATP in the cells? Determine the numbers of ATP and NADH can baker yeast form from each mole of glucose through the glycolysis pathway (glucose to ethanol) with and without the TPI enzyme?
If the trainers think, realistically, that 20 people will attend, then what price must be charged per person for organization to break even?
Determine the mechanical benefit of a 15 m long inclined plane which is three m higher on one end than on the other.
The molal freezing point depression constant of benzene Kf= 5.09oCkg/mole. Benzene, C6H6, a common non-polar organic solvent, is neither acidic nor basic, and can neither donate nor accept hydrogen bonds.
An air-filled parallel-plate capacitor consists of a capacitance of 2.1 pF. The separation of the plates is twice, and wax inserted among them. The new capacitance is 2.6 pF. Determine the dielectric constant of the wax.
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