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An unknown metal has a density of 12.3 g/cm3. If the atomic radius of that metal is 134pm and it crystallizes as a face-centered cubic cell, determine the identity of that metal.
Propose a method to synthesize (2R,3R) 2,3-epoxyhexan-1-ol using ethanol,methanol,co and CN- as carbon sources
1)Determine melting point--Why would you do a mixture melting point. 2)Determine melting point-What signifies the beginning and end of the melting range. 3)Solubility -How does miscibility relate to solubility
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
Problem- The pH of a solution is maintained constant at 6.5. Calculate the molar solubility and solubility of Mg(OH)2 in this solution.
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
The rate of formation of ammonia in the reaction N2(g) + 3 H2(g) ? 2 NH3(g) was reported as 1.15 M/h (moles per liter per hour). What is the rate of disappearance of H2(g)
Purpose is to analyze the behavior of specific materials for a specific use. A technical difficulty of someone with a working knowledge.
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
What is the concentration of KMnO4 when you mix 2 mL of .160 M KMnO4 with 10 mL of .250 M oxalic acid. Assuming that it took 120 s to observe the color change in the reaction, what is the rate of the reaction
Explain the observed regiochemistry as well as stereochemistry and state whether the reactant(s) and product(s) are chiral and if they are optically active.
What is the net ionic equation of the reaction of ZnCl2 with NaOH? Express you answer as a chemical equation including phases
What is added to the 3' end of eukaryotic mRNA during RNA processing, and what is its function
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