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Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol. Compute and compare its density with the actual value of 7.87
What is the heat change of a 25 g block of iron that starts at a temperature of 22 degrees C and increases to 79 degrees C?
What must the concentration be, of each member of the buffering acid/base pair, if the reaction is expected to release 0.1 millimoles of H+?
Calculate the heat of reaction for the same reaction where water is a gaseous product instead of a liquid.
During a titration, the following data were collected. A 25 mL portion of a solution of an unknown monoprotic acid was titrated with 1.0 M NaOH(aq).
The 1.000 L flask was filled with gas from the experiment at an atmospheric pressure of 30.57 inches of Hg and a temperature of 24 degrees C.
3.953g of egg shell was reacteed with 50ml of 0.1 mol/l hcl and shel contains ca2co3 after all the sheell reacted resultign solution was placed in a columetric flask and th colume made up to be 100ml.
Irradiation of di-t-butyl ketone in a solution of carbon tetrachloride produces pivaldehyd (2,2-dimethylpropanal), chloroform, isobutene, t-butyl chloride, and carbon Monoxide. Suggest a mechanism which accounts for the formation of each product.
Write a balanced equation including states of matter for the reaction of Zn(H2O)4 2+ in aqueous NaCN. You can assume sodium is a secator ion and does not need
.914g sample of stannous flouride gives a 1,078g precipitate of stannous phosphate. calculate the theoretcial yeild?
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
How many grams of TiCl4 are needed for complete reaction with 155L if H2 at 430 degrees C and 780mmHg pressure? How any liters of HCl gas at STP will result from the reaction described in part (a)?
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