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Describe the primary objective of statistical process control.
Based on the following definitions of stereospecifc and stereoselective, propose a reaction that is stereospecific but NOT stereoselective
a specimen of iron ore weighing 0.500g was dissolved in dilute sulphuric acid. the solution was titrated with 0.0200m
Predict the mass of hydrogen gas produced when 2.73 g of aluminum reacts in a single replacement reaction with excess sulphuric acid.
Some sugar substitutes are made from derivatives of sucrose. SucraloseTM is a sweetener found in soft drinks and low-calorie foods such as yogurt.
1-bromopentane reacted with 1. Na CCCH3 2. HgSO4,H20,H2SO4 3.BrMgCh2Ch3 4.H+, H20 There should only be one product this is a multi step reaction
Use the angular overlap model to calculate the energies of both ligand and metal orbitals for trans-[Cr(NH3)4Cl2]+ , taking into account that ammonia is a stronger? donor ligand than chloride, but chloride is a stronger ? donor. Use the 1 and 6 po..
It was determined from six replicates measurements that a candlewick contained 12.1 ppm lead and the standard deviation was 0.6ppm. assuming no systematic errors, the true means is likely to lie between what values at 95% confidence
A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and % H by mass. The mass of 258 mL of the gas, measured at STP, was found to be 0.646 g. What is the molecular formula for this compound
Describe how you will prepare a buffer system of 0.50 M nitrous acid and sodium nitrite, pH 3.60.
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 1) .12 M HF pH = ? 2) a mixture that is 0.12 M HF in and 0.12M in NaF. pH =?
If a system absorbs 54 J of heat as well as 24 J of work is done on it, define what is the value of delta E for this change
why are methylene chloride and ethanol used to recrystallize trans-1,2-dibenzoylethylene
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