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Sodium metal reacts violently with water to form NaOH and release hydrogen gas. Suppose that 10.0g of Na react completely with 1.00L of water and the final solution volume is 1.00L.
a. What is the molar mass of NaOHb. Write a balanced equation for the reaction.c. What is the molarity of the NaOH solution formed by the reaction.
What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts? Assume that all the NaCl dissolves in the melted ice and that the van' Hoff factor for the resulting solution is 1.44.
Calculate rate constant for 1. level reaction where 81% of the matters have already react after 27 seconds.
or the reaction H2(g)+CO2(g) H2O(g)+CO2(g) at 700C, Kc=.534. Calculate the number of moles of H2 that are present at equilibrium
Determine the bond order of each and classify it as stable or non-stable. If stable, tell whether the species is paramagnetic or diamagnetic.
how many grams of 1,4-butanediamine and adipoyl dichloride are required to synthesis 5g of Nylom 4-6 (MW of repeat unit 198.26 g/mol)? show calculations
Under a given set of conditions, benzene C6H6 (b.p. 80°C) has a retention time of 60 seconds using a GC column. Under these same conditions, would you expect the retention time of toluene C7H8
calculate the expected change in temperature for 4.5 g of NH4NO3 dissolved in 100.0 mL of H20. Assume that the calorimeter absorbs no heat. (ie. Ccal=0)
Enter the molecular, ionic and net ionic equation for the following reactioins. I am having trouble figuring out when to make the water molecule and when not to.
The smallest sample of carbon atoms that can be observed with the naked eye has a mass of approximately 2 x 10-8 g. Given that 1 g = 6.02 x 1023 amu,
If the barometric pressure is 741 mmHg, and if h = 53. 0 mm, what is the pressure of the gas, expressed in atm and in kilopascals, if the substance in the tube is mercury having a density of 13.6 g/mL.
you need to make a solution of cano32 for a class demonstration. first you measure a quantity of the solid cano32 by
HCOOH and HCOONa How many milliliters of HCOOH and HCOONa would you use to make approximately a liter of the buffer?
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