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Given that 10.0 grams of metal at 99.0oC are placed in 50.0 grams of water at 24.0 oC in a perfectly insulated calorimeter. If the final temperature of the mixture is 29.0 oC, the specific heat of the metal is:
vinger contains 5.0 g of acetic acid, CH3COOH,in 100.0 mL of solution. Calculate the molarity of acetic acid vinegar?
Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other
how many milliliters of a .250 m sulfuric acid solution would be required to completely react with 2.398 grams of solid
hemeagglutinin (HA) for sialic acid is low, Kd of ~ 5nM, how can efficient attachment occur with such a low affinity interaction?
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 2.0 L of liquid oxygen as it vaporized? Express your answer numerically in joules.
the compound zni4 is best described as anions in a face-centered cubic unit cell with the cations in the tetrahedral
An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc nitrate and a silver cathode in contact with a 0.0042 M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation f..
Calculate the energy change for the alternative reaction that yields chlorine sodide (Cl+Na-) . 2Na(s) +Cl2 (g) yeilds 2Cl+Na+(s) Assume that the lattice energy for Cl+Na- is the same as that for Na+Cl-
hydroxylamine is titrated to the equivalence point with 35.8 m of .15 M HCl. What is the pH at the equivalence point?
If 3.0 L of oxygen gas at 177°C is cooled at constant pressure until the volume becomes 1.50 L, then what is the final temperature
A first order reaction has an activation energy of 72.4 kJ/mol and a frequency factor (Arrhenius constant) of 1.78 x 1013 sec -1. Calculate the rate constant at 17 oC.
If 20 moles G2 (random element) are reacted with 10 moles B2 (random element) , how many moles of G2B will be formed
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