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Compute the total transitional kinetic energy of the air molecules in a spherical balloon of radius 43.0 cm at 24 C and 1.2 atm. Is this enough energy to heat 200mL of water from 20 C to 90 C for a cup of tea? The density of water is 1.0 g/cm3 as well as its specific heat is 4.184 J/gC.
To a second 25.00 mL part, 10.00 mg of lead was added and extracted into a second 10.00 mL portion of the same organic solvent. This solution gave A = 0.525. What was the concentration of lead, in mg/mL, in the original sample?
when sodium benzyloxide is reacted with excess acetic anhydride it produces benzyl acetate and by products.
draw the structure of the product of each of these organic reactionsi reaction of methanol and aqueous potassium
briefly describe how the atomic radii and ionization energies of group 1a1 elements compare with those of group 8a18.
Magnesium is used in lightweight alloys for airplane bodies and other structures. The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation
Compute a wavelength of the yellow light emitted by a sodium lamp if the frequency of the radiation is 5.10*10^-14hz
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 9.2 X 10^4 kg of coal that is 0.33 mass % sulfur?
What is the maximum value of the magnetic quantum number, mathml equation, for a 5d electron. Calculate ?U of a gas for a process in which the gas absorbs 3 J of heat and does 10 J of work by expanding.
calculate the theoretical yield of c2h5cl when 140 g of c2h6 reacts with 234 g of cl2, assuming that c2h6 and cl2 react only to form c2h5cl and hcl.
The water at the gas-collecting port is assumed to be 25 degrees C, but it is actually 15 degrees C. How will this error affect the reported mass of aluminum in the sample
the rate constant for the second order -reaction is 2NOBr(g)------>2NO(g)+Br2(g) is 48 L/mol*min at a certian temperture. How long will it take for 90.0% of a .0200M solution of NOBr to decompose.
Dinitrogen pentoxide is a product of the reaction between P4O10 and HNO3. Balance this reaction and calculate the theoretical yield of N2O5 if 79.7 g of P4O10 are reacted with excess of HNO3.
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