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Most recipes for peanut brittle utilize sodium bicarbonate to form the hot candy. The baking soda decomposes into sodium carbonate, water vapor as well as carbon dioxide. How many liters of gas will be produced at 155 Celsius as well as 753torr by the complete decomposition of 3.2 grams of the sodium bicarbonate? Illustrate balanced reaction
Determine how many grams are there in 4.5+10 22 molecules of Barium nitrate and determine what is the molar mass of a gas ?
Three isotopes of silicon occur in nature: 28Si (92.21 %) which has a mass of 27.97693 amu; 29Si (4.70 %) which has a mass of 28.97659 amu; and 30Si (3.09 %) which has a mass of 29.97376 amu. Calculate the average atomic mass for silicon atom.
1450 mmhg and 286k a skin diver exhales a 207ml bubble of air that si 77 n2 17 o26 co2 by volume.how many mole of n2
If 28.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Write a balanced equation between citric acid (RCOOH) and sodium hydrogen carbonate
If the efficiency of the boiler is 91.2%, the efficiency of the turbine is 46.7%, the efficiency of the generator is 98.4%, and one can assume another 5% miscellaneous plant losses, what is the actual efficiency of the overall generating unit?
heat from a mountain climber's stove at an elevation where the boiling point of water is 89 degrees celsius, how many kJ are required to boil the water?
Calculate the number of joules of heat required to change 85.0 grams of water at 25 degrees C to steam at 100 degrees C (heat of vaporization of water = 2260 J/g and specific heat of water = 4.18 J/g C)
Calculate the value of the reduced mass of a hydrogen atom. Take the masses of the electron and proton to be 9.109390x10-31kg and 1.672623x10-27kg, respectively. What is the percent difference between this result and the rest mass of an electron
A zero-order reaction has a constant rate of 1.90×10-4 . If after 40.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-cell: Pt(s) | H2(g,1atm) | H+(aq,1.0M) | Au3+(aq,?M)|Au(s).
The normal boiling point of 1-butanol is 117.8 C. 1-butanol (l, 1 atm) ? 1-butanol(g, 1atm) delta H=43.82 kJ Calculate the boiling point of 1-butanol when the barometric pressure is 47 mmHg
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