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What is the VSEPR formula for the nitrogen atom as the central atom in glycine?
What would be the atomic numbers of the first three noble gases in that universe? What would be the atomic numbers of the first three halogens?
The final temperature of the water in the calorimeter was 24.2 deg C. What is the heat capacity of the calorimeter?
1.50 mol of helium gas in a cylinder is held at a volume of 22.4 L by a piston at 273K and 1.00 atm. Heat is supplied to the system to double the volume and temperature of the gas while maintaining the internal pressure at 1.00 atm.
Which atom has the largest partial positive charge in these bonds. C-H, C-O, C-F, C-Cl C in C-O Cl in C-Cl O in C-O F in C-H C in C-H C in C-Cl C in C-F
The solubility of barium carbonate,BaCO3, is .0100 g/L . Its molar mass is 197.6 . What is the Ksp of barium carbonate?
A coin dealer, offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The dealer heated the coin, which weighed 18.0 g to 100°C in boiling water and then dropped the hot coin into 26.5 g of water at T = 16.5°C
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
Suppose an additional gaseous component, e.g. helium, is pumped into the system, keeping the volume of the container fixed, until the final pressure is 100 atm. Assume that the helium does not dissolve in water but remains pure. Assume water is in..
The heaviest known isotope of hydrogen is called tritium, 3/1 H. It decays by beta emission, and half-life of 12.3 years. What fraction of a tritium sample will remain after 5.20 years
Why silicon tetrachloride reacts with water to produce SiO2 but carbon tetrachloride does not react with water? 1. SiCl4 can act as a Lewis base
What is the entropy change for a particle in this system if the final number of microstates is 0.680 times that of the initial number of microstates
The reaction A=B+ C is second order in A. when [A}0=0.100M, the reaction is 20% complete in 35 minutes. Calculate the value of the rate constant in ( L/min.mol)
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