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A temperature increase of 67.4 K was recorded after 1.500 g of metallic magnesium (24.305 amu) reacted completely with 100.0 mL of 1.00 M aqueous HCl in a non-ideal coffee cup calorimeter with a heat capacity of 16.0 J/K. If the solution has a specific heat capacity of 3.95 J/(g K) and a density of 1.015 g/ml, what is the DeltaH for the following reaction in kJ?
Mg(s)+2H(positive)(aq) ---> Mg(2positve)(aq)+H2(g)
What is the volume of one mole of hydrogen gas at 273 K and 760 torr? What is the volume of one mole of oxygen gas under the same conditions?
"Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process".
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.
A sample of neon has a volume of 270 mL when it is at a pressure of 831 mmHg. What will be the volume when the pressure is increased to 1238 mmHg?
showing electron flow with arrows, for the acid-catalyzed hydrolysis of ethyl acetate to acetic acid and ethanol- the reverse of a Fischer esterification reaction.
if 5.0 of nitrogen at 12 degree Celsius and 1.30 atm pressure reacts with the same volume of hydrogen at the same temperature and pressure, what volume of ammonia is obtained at that temperature and pressure?
a solution is prepared by dissolving 20.0 g of NaI in enoug water tomake 300.mL of solution How many moles of ions are in 25.mL of thesolution?
adiabatic bomb calorimeter with a heat capacity of 5.343 kj/K. The reaction resulted in an increase of 1.173K. Calculate delta U, delta H, and delta A
What is the wavelength of a photon of electromagnetic radiation having a photon energy of 4.56X10^-19 J? Report your answer in nanometers, to the correct number of significant figures.
If 12.5 g of CCl3F is enclosed in a 1.1 -,L container, will any liquid be present? What is the mass of the liquid?
Calculate the reaction Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g) What mass of ZnCl2 (MW = 136.3 g/mol) can be prepared from the reaction of 3.27 grams of zinc
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