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Problem: You are doing research on a space station located on Planet X. The temperature inside the space station is 21oC and the air pressure in the space station is 779 mm Hg. A balloon with a volume of 923 mL inside the space station floats out onto Planet X where the atmospheric pressure is 0.28 atm. The volume of the balloon changes to 3,492 mL. What is the temperature on planet X IN UNITS of oC? Remember that there are 760 mm Hg per 1 atm.
So could you please explain how you can estimate the order of increasing melting points for the following compounds. Why is the estimate rather inaccurate
Problem- Find the pH during the titration of 20.00mL of 0.1000M triethylmine, Kb=5.2x10^-4, with 0.1000M HCl solution after the following additions of titrant. a) 13.00mL b) 20.60mL c)26.00ml
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Write a balanced chemical equation for the neutralization reaction upon which this titration is based, and indicate clearly which atom is being protonated
Determine concentration of enzyme stock solution, if unknown, by taking an A280 nm reading of a 1:100 dilution (in water)
A solution is prepared by mixing 77.0 mL of 5.00 M HCl and 11.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
They help position the reactant molecules to facilitate the reaction. They make electron transfer proceed more rapidly.
What techniques might you employ to induce crystallization if no crystals have formed after you cool the solution to room temperature.
For a certain chemical reaction, DH is
Carbon-14 dating can be used to estimate the age of formerly living materials because the uptake of carbon-14 from carbon dioxide in the atmosphere stops once the organism dies
find the percent composition of a compound that contains 1.94g of C, 0.48-g of H and 2.58-g of S in a 5.00-g S sample of the compound
What is the value of the equilibrium constant for the reaction between I2 (s) and Br- (aq) at 25 degrees celcius?
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