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The molar entropy of rhombic sulfur is 31.80 JK-1mol-1 and that of monoclinic sulfur is 32.6 JK-1mol-1 and the densities are 2.070 gcm-3 and 1.957 gcm-3 respectively all at an initial temperature of 298 K. Rhombic sulfur turns into monoclinic sulfur, Calculate the transition temperature for this change at a pressure of 1 bar.
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
In the reaction Cu(s) + 2AgNO3(aq) --> 2Ag(s) + Cu(NO3)2(aq), what number of grams of silver can be produced from 49.1 g of copper?
if a total of 702 mol of NaHCO3 and 2.4 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?
This question deals with the reaction between benzene and 1-chloro-2-methylpropane in the presence of AlCl3. Knowing that the arenium ion intermediate has positive charge on the ortho and para carbons
Battery acid is 35% sulfuric acid in water and has a density of 1.29g/ml. What is the mass of sulfuric acid in 1.00L of battery acid?
HEPES are synthetic amine compounds that are often used to make buffers for biochemical studies. What is the pH of a 1.0 L buffer solution that is 0.250M HEPES
How many atomsof carbon are present in 34.5 grams of caffeine?
Identify the nuclide produced when americium-241 decays by alpha emission, 241 / 95 Am→ 4 / 2 He + ? Express your answer as an isotope using prescripts.
How many moles of CO2 will be produced if 3.119 g of O2 are reacted completely?
If 175 g of X reacts completely with diboron trioxide to produce 2.43 mol of B4X3, what is the identity of X?
The annual production of zinc sulfide (ZnS) is 3.5 10^4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
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