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At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
For the equilibrium H2+CO2-> Kc= 3.18 at 1106K. If each of the 4 species was initially present at a concentration of 3.000M.
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
The temperature of a 35.2 g sample of iron increases from 23.7 C to 29.5 C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed.
Question about Half life problem, We are performing an experiment using half-life =4.5 x 10^3 days labeled phenylalanine in which the five atomic hydrogens are labeled.To perform the experiment
What is the molecular formula of a compound given the molar mass of the compound is 205.4 g/mol and the empirical formula is C3H5.
The molality of sodium nitrate solution us 1.44m. What is mole fraction of NaNo3. The molar mass of NaNo3 is 85.06g/mol
Partition coefficient in octanol, A monoprotic acid with a Ka of 2.83 x 10-5 has a partition coefficient of 2.8 (favoring octanol) when distributed between water and octanol.
"The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..
Calculate the concentration of ions in the following saturated solutions. Al3+] in Al(OH)3 solution with [OH -] = 2.6 10-9 M
Tenzic acid is a H2Tenz is a diprotic acid with ionization constants Ka1 = 4.1 x 10-4, Ka2 = 1.5 x 10-9. Calculate a value for the [Tenz2-] in a 0.500 molar solution of H2Tenz.
the total pressure of the system is found to be 4.50 atm At 700 degrees celsius. compute the equilibrium partial pressures of carbon dioxide and carbon monoxide if the equilbrium constant Kp = 1.52,
A particular snack mix contains 1.30 g of salt per 100 g of the mix. How much mass of the mix can be consumed and still be within the FDA limit of 2.40 g of salt.
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