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When 2.25mg of anthracene, C14H10 (s), was burned in a bomb calorimeter the temperature rose by K. Calculate the calorimeter constant. By how much will the temperature rise when mg of phenol, C6H5OH (s), is burned in the calorimeter under the same conditions? (ΔcH (C14H10 ,s) = -7061 kJ/mol).
During an experiment, a student adds 1.05 g of calcium metal to 200.0 mL of 0.75 M HCl. The student observes a temperature increase of 17.0 °C for the solution
find the mass of a reactant using daltons law of partial pressures ideal gas law and stoichiometry.1.a piece of sodium
How many units would have been produced during the second quarter under Lean Production?
The latent heat of vaporization of water is 577 J/kg. If a person's body needs to lose 345 J of energy through sweating, how many kilograms of water in the form of sweat must be evaporated.
if a 50.0 liter container holds 45 moles of a gas at a temperature of 200 C what is the pressure inside the container
Find the molarity of the carbonate in the solution. A solution is prepared by dissolving 11.60g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0-cm^3 sample of the solution is then treated with excess HNO3 and boi..
Ignoring any side reactions and assuming the reaction occurs completely, how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine?
The pKa of protonated diethylamine is 10.94. What are the major forms present in a dilute soultion that is equimolar in acetic acid and diethylamine
Nutritional tables give the potassium content of a standard apple (3 apples/lb) as 159 mg. How many grams of potassium are in 5.46 kg of apples
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
The density of an 40.0% w/w ethanol (C2H5OH) solution is 0.935 g/mL. What mass of ethanol does 225.0 mL of this solution contain
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 àC. How many joules of energy are necessary to heat the steam from 100.0 àC to 114.0 àC if the specific heat of steam is 2.01 J/g àC?
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