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1) Calculate in one drop of H2O (MW: 18) weighing 0.032 g.
a) Moles of water
b) Number of water molecules
c) Number of H atom
2) 27) N2(g) + 3 H2(g) → 2 NH3(g)
How many moles of NH3 can be formed from 3.0 mol of N2 and 6.0 mol of H2?
Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 degrees Celsius. At what temp would benzene boil when the external pressure is 470 torr
Write a balanced redox equation for the seperation of Cu2+ from the other Qual 1 cations. The other cations are Na+ , K+ , NH4+ , Mg2+ , and Ca2+.
The first-order disappearance of a substance has a half-life of 34.0 s. How long does it take for the concentration of the substance to fall to 12.5% of the original value
If an artificial heart is capable of pumping at least 57,000,000 pints of blood before failure, how long, in years, will it probably last in a patient whose average heart rate is 72 beats per minute and an average stroke volume (the amount of bloo..
Problem- An electron in a hydrogen atom relaxes to the n=4, level, emitting light of 157 THz. what is the value of n for the level in which the electron originated?
A sample of sodium metal having a mass of 5.45 g reacts with excess water, and the water is later evaporated. What is the solid product that remains after evaporation, and how many grams of this product are expected to be formed
Question- Draw (with structures, cofactors, co-enzymes, enzyme names, etc) the pathway for oxidation of oleate CoA to 9 acetyl CoA molecules (oleate is activated by a thioester-linkage to CoA).
To whats volume in liters must 105 mL of hydrochloric acid containing 47.5g of HCl be diluted to make a 1.05M solution ?
The charges of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound together. Based on ion charges, rank these ionic compounds by their expected melting points.
Depict the complete mechanism for the hydroboration-oxidation of 1-octene into 1-octanol and 2-octanol this means as well drawing out the three repetitive steps to obtain BR3, the two repetitive steps during oxidation
A mixture of gases contains 1.75 g of N2, 4.84 g of H2, and 3.48 g of NH3. If the total pressure of the mixture is 5.73 atm, what is the partial pressure of each component
Additionally, the horizontal surface exerts a 30 Newton frictional force on the mass. What is the acceleration of the mass?
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