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A piece of gold foil has a volume of 0.645cm^3. If the piece of gold measure 10.0 cm by 12.5cm, what is the thickness of the foil?
For the decomposition of sodium bromide: NaBr = Na(s) + 1/2Br2(liquid) the change in Gibbs Free Energy (delta G) is 349 KiloJoules What is the free energy of formation of NaBr(solid)?
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 285°C, 761.0 mmHg and contains only N2, O2, CO2, and H2O.
H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14. Then Determine K for the reaction
calculate the IHD and select all the types of unsaturation that might be present in the molecule based on the IHD.
What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants?
The number of lone pairs = The number of single bonds = The number of double bonds = 2. The central nitrogen atom A. Obeys the octet rule B. Has an incomplete octet. C. Has an expanded octet.
Another solution of the same chemical is measured under the same conditions and has an absorbance of 0.81. What is its concentration?
If 1.50 g of X reacts with 3.54 g of M to produce 4.22 g of a compound with the formula M4X3, and the atomic mass of M is 48.5 amu.
The normal melting points and boiling points of xenon are -112 deg. Celsius and -107 deg. Celsius, respectively. The Xe triple point is at -121 deg. Celsius and 282 torr, and its critical point is at 16.6 deg. C and 57.6 atm.
What would the molar concentration of the tree sap have to be to achieve this pressure on a day when the temperature is 28?
Write the balanced reaction and determine the mass of KNO3 that should be mixed with 6.1 g of sugar to produce optimally balanced rocket candy.
CO2 has a mol wt of 44 Da. 5.0 micro liters of CO2 is added to 525 mL of air. The pm of CO2 by volume and weight is/are?
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