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N2 + 2O2 -----> N2O4 8.03 x 1023 molecules of oxygen react with excess nitrogen. What is the maximum number of grams of dinitrogen tetroxide that can be produced?
what is the length of the unit cell when tantalum (atomic radius = 145 pm) crystallizes in a bcc structure
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
What is the nickel ion concentration in a solution prepared by mixing 451 mL of 0.414 M nickel nitrate with 465 mL of 0.364 M sodium hydroxide?
Calculate the pH of the following solutions with the given [H+] or [OH-] and indicate whether the solution is acidic or basic
a. if the hexapeptide in question 7 is dephosphorylated then aminoethylated ae at cys and cleaved by trypsin what
Important information about Molar concentrations, Calculate the molar concentrations, I-, disulfur octaoxide, disulfur trioxide.
If the activation energy for a given compound is found to be 103 kJ/mol, with a frequency factor of 4.0 × 10^13 s^-1, what is the rate constant for this reaction at 398 K
Diamonds are measured in carats where 1 carat= 0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
After treating an antacid tablet with 5.00mL of 6M HCl, the unreacted acid was diluted to exactly 250mL with distilled water in a volumetric flask. 25.00 mL of that diluted acid required 17.03 NaOH to neutralize it. Calculate the amount of acid ne..
A 44 sample of water absorbs 329 of heat If the water was initially at 21.7, what is its final temperature.
Benzene freezes at 5.5 degrees celcius and the resulting solution freezes at 2.13 degrees celcius. What is the freezing point depression constant of benzene?
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