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Why are system engineering evaluation and feedback important? Describe some of the benefits that can be realized through the implementation of such a capability. What is likely to occur should such a capability not be implemented?
Enter the symbol of a sodium ion, Na+, followed by the formula of a sulfate ion, SO42-
A student carefully diluted 50.0mL of 6 M HCI solution in 950.0 mL of distilled water. calculate the molarity of the diluted acid solution. Explain why this diluted HCI solution cannot be used as a standard solution of acid.
Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?
A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content
A scientist has a sample of gas that was collected several days earlier. The sample has a volume of 392 cm3 at a pressure of 0.987 atm and a temperature of 21°C. On the day the gas was collected, the temperature was 13°C and the pressure was 0.992..
A sample of an unknown gas effuses in 12.4 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.59 min.
ketones, alchohol, amine ( primary, secondary, tertiary), alkane, branching alkane, non branching alkane and explain why?
The pKa of the alpha-carboxyl group of glutamine is 2.17 as well as the pKa of its alpha-amino group is 9.13. Compute the average net charge on glutamine if it is in a solution that has a pH of 8.40.
0.4768 g of oxalic acid dihydrate (H2C2O4 • 2H2O) was weighed out and titrated with sodium hydroxide (NaOH) according to the procedure in the handout. Vi was recorded from the buret as 5.91 mL. Vf was recorded from the buret as 42.28 mL. Calculate..
The density of 70.5 weight% aqueous perchloric acid is 1.67 g/ml. Recall that grams refers to grams of solution (=g HClO4+g H2O). How many grams of HCIO4 are in 1 Liter
Define a sample of Fe-59 initially registers 125 counts per second on a radiation counter. After 10 days the sample registers 107 counts per second. Define what is the half life in days of Fe-59
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