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Illustrate the chemical equation for the process that takes place in hand warmers. As well show how to find how much product is produced if you consider that there is about 20% of oxygen in the air we breathe.
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction.
Calculate the change in entropy (in J/K) when a 67.9 g of water is heated from 14.8 ºC to 74.0 ºC at 1 atm. (The specific heat is 4.184 J/(g-K).)
How much heat is required to warm 219 g of ice from -45.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
Can anyone help with with drawing the net dipole moment vectors from bond dipoles and the net dipole moment vectors
What is the maximum amount of O2 in grams that can be obtained from 2.00 x 102 g of nitroglycerin?
Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. When zinc oxide combines with water, zinc hydroxide is formed.
A mass of 57 g of lead fishing weight absorbs heat of 146 Calories. Determine its final temperature If its initial temperature =48 Centigrade,?
cs2g o2g co2g so2gconsider the unbalanced equation above. a 0.150 g sample of cs2 is reacted with 265 ml of o2 at
How many moles of H2 can be produced from x grams of Mg in magnesium-aluminum alloy? The molar mass of Mg is 24.31 g/mol
What is the change in total pressure within the chamber following the reaction? Assume a constant temperature throughout the process.
How many kilograms of CO2 are produced by the complete combustion of 1.00kg of this natural gas
What is the pE value in an acid mine water sample having [Fe3+] = 6.79E-3 M and [Fe2+] = 4.14E-4 M?
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