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Problem- In the following reaction, how many grams of H2O are produced if 4.15 g of N2H4 react? N2H4 + 3O2 2NO2 + 2H2O
While Xeloda works well, it is effective for colorectal tumors and liver cancer. What are the drawbacks for extending this therapy to other types of cancer?
A 47 kg sample of water absorbs 388 kj of heat. If the water was initially at 27.6 Celcius, what is its final temperature?
Problem- One of the standard solution had an abnormally low absorbance reading, causing a less positive slope for the data plot. (1) Will the equilibrium concentration of FeNCS^2+ in the test solution be too high or too low? Explain.
aluminum may be formed by the passage of 60,714 C through an electrolytic cell that contains a molten aluminum salt.
The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr
What is the difference between the molecular geometry
Antifreeze mixture is made by mixing equal volumes of ethylene glycol (d = 1.114 g/mL, M= 62.07 g/mol) as well as water (d = 1.00 g/ml) at 20 degrees C. Express the concentration of ethylene glycol as
Benzene (A) melts at 6 0C and diphenylmethanol (B) melts at 65 0C. The solids are mutually immiscible. There is a eutectic at 1 0C, the eutectic solution being 20 mol % in B, and an unstable compound, AB2,
a 150 ml aqueous solution containing .18m of a weak acid wasextracted with 50 ml of ether organic phase. after
Why do you not need to accurately measure the volume of deionized water in which you dissolve the iron salt
AT high temperatures phosgene (COCl2) decomposes to gve carbon monoxide CO and Cl2. In a typical experiment , 0.631g of COCl2 is injected ito a flask of volume 472cc. When equilibrium is established, it is found that the total pressure is 2.175atm..
The Ka for a weak acid, HA is 1.6 x 10^6. What are the pH and degree of ionization of the acid in a 10^-3 M solution. Calculate the pKa and pKb.
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