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Four of the boxes in the following periodic table are colored. Which of these are metals and which are nonmetals? Which one is an alkaline earth metal? Which one is a noble gas?
Three students in the class determine the weight of the crucible by repeated weighings on a simple balance. (A) Using the following information, which student has done the most accurate determination? (B) Which student has done the more precise de..
Ten milliliters of this solution is after that diluted to 250mL. The absorbance of the solution is 0.241 in a 1cm cell. Explain what is the percentage of vitamin C in the tablet. The molar absorptivity is 7415.
Calculate the pH and percent hydrolysis of an .1 M potassium formate, KHCOO, solution. Ka of formic acid, HCOOH is 1.7x10^-14.
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water
Could you explain the differences between SN1, SN2, E1 and E2 reactions?
Many computer chips are manufactured from silicon, which occurs in nature as silicon dioxide. When silicon dioxide is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas.
write an equation that shows the formation of the chloride ion from a neutral chlorine
Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.451 at a given temperature. If 55.0 g of NH4HS is sealed inside a 5.00 L container at this temperature, calculate the partial pressure of NH3(g) at equilibr..
an organic compound molar mass97 is dissolved in water to form asolution with a density of 1.05 gml and a molarity of
Explain the detoxification of Acetaminophen, alcohol, and sodium nitrite with biotransformation of xenobiotics. Describe the Synthesis of fatty acid, Triglyceride, Vitamin E, and Vitamin C.
1. find appropriate ligands aromatic with two nitrogen functionalgroups to bind fe nonbsp2co2in the form of dintrosyle
Use the Henderson-Hasselbalch equation to calculate the pH of each solution: a solution that is 0.140 in propanoic acid and 0.125 in potassium propanoate.
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