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Problem- For the hydrogen fuel battery, 2 H2 + O2 = 2 H2O, the standard potential at 293 K is 1.2335 V and at 303 K the potential is .2251 V. Calculate entropy, Gibbs energy, and nthalpy for this reaction.
Express your answer use additional paper if necessary
Sodium-24, which is used to locate blood clots in the human circulatory system, has a half-life of 15.0 hours. A sample of sodium-24 with an inital mass of 34.1 g is left to decay for 60.0 hours. Calculate the final mass of the sodium sample
citric acid h3c6h5o7 is a product of the fermentation of sucrose c12h22o11 in air.c12h22o11aq 3 o2g 2 h3c6h5o7aq 3
what is the energy of an X ray with a wavelength of 3.52×10-9m and a microwave with a wavelenght of 6.63×10-2m?
What is the osmotic pressure of a solution made from dissolving 30.0 g of glucose, C6H12O6, in 700 mL of water at 21.0C
The results of the experiment supported the hypothesis of semiconservative replication, which was proposed by Watson and Crick.
DNA double helix has the sequence GATCGATTAC, what is the sequence of the other DNA strand?
The mineral rhodochrosite [manganese (II) carbonate, MnCO2] is a commercially important source of manganese. Write a half reaction for the oxidation of the manganese in MnCO3 to MnO2 in neutral groundwater
The predominant isotope of gold, , has an experimentally determined exact mass of 196.967 . What is the total nuclear binding energy of gold in electronvolts per atom
write the formula of the conjugate acid for each of the following bases: a)SO4^2- b)CN^- c)CH3-CH2-COO^- d)ClO2^- e)HS^-
Without doing detailed calculation, arrange the following 0.10 M aqueous solutions in order of increasing pH. Explain your ordering.
calculate the mass of nitrogen dissolved at room temperature in an 80.0 rm l home aquarium. assume a total pressure of
A buffer is prepared by adding 42.0g NaH2PO4 to 1.0 L of solution that is .10M NaPO4. assuming no volume change. What's the concentration of H2PO4 solution
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