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How many molecular orbitals will be formed by combination of the 3s and 3p atomic orbitals in 1.0 mol of Mg atoms? At 0 K, what fraction of these orbitals will be occupied by electron pairs (all orbitals filled up to the Fermi level)?
Treatment with chymotrypsin, which cleaves on the carboxy side phenylalanine gave only the tetrapeptide. What is the amino acid sequence for this tetrapeptide?
Sodium carbonate is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×103 of sulfuric acid solution?
How much heat in Joules is required to raise the temperature of 1.000 kg of water by 60.0 oC? Cp,m (H2O) = 75.29 J mol-1 K-1. Molar Mass (H2O) = 18.015 g mol-1.
Briefly explain the geometry (hybridization) of an amide nitrogen, and resonance explanation for the conformational stability of the amide
What is the mole fraction of HO2CCH2CHOHCO2H in this solution suppose you dissolve 2.56 grams of malic acid HO2CCH2CHOHCO2H in 50.0 grams of H 2 O.?
If we react 116 molecules of TiCl4 with water according to the equation TiCl4 + 2 H2O -> TiO2 + 4 HCl how many molecules of HCl will we form?
When sodium sulfate, Na2(SO4), is dissolved in water, the temperature goes down. How would you describe the energetics of this process?
Impure benzoic acid was dissolved in hot water. the container of solution was placed in ice-water bath instead of being allowed to cool slowly.
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
The international unit for weighing diamonds and determine the volume of a 0.76 carat diamond if The density of diamond is given=3.51 g/cm3 ?express your answer in units of cm3
What would the atom ratio of 206Pb to238U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238U)= 4.5 × 10^9 yr.
Calculate the osmotic pressure associated with 50.0 g of an enzyme of molecular weight 98,000 g/mole dissolved in 2600 mL in of benzene at 30.0 degree celcius
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