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Using a stock solution of 95.4ppm MgCO3, you are directed by your instructor to make calibration standards of 1.0, 7.5, and12.0 ppm. If you use 100mL volumetric flasks to make the solutions, what volume of stock solution will you require for each standard? Show you work.
1.0ppm=? 7.5ppm=? 12.0ppm=?
Does your result agree with the measured overall rate law expression? If not, under what conditions would agreement be observed?
For a zero order chemical reaction, the A. half life period is directly proportion to the initial concentration of the reac-tants. B. plot of products concentration with time is a straight line through the origin
Calculate the change in the standard molar entopy for the formation of gaseous nitrogen dioxide from gaseous nitrogen and gaseous oxygen.
when a .28 gram sample of limestone was decomposed by heating 75 millileters of CO2 at 750 mm Hg and 20 degrees celcius were evolved. How many grams of CO2 were produced?
A gaseous mixture of O2 and Kr has a density of 1.102 g/L at 420 torr and 300. K. What is the mole percent O2 in the mixture?
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
How EXACTLY is chromatography used in testing blood for drugs/alcohol? I need the exact process of how they do it, and why.
If the sun (diameter 864,000 miles) were the size of an NBA basketball (29.5 in), how far away would mercury
What is the gas pressure (in atm) inside a 2.43-L bulb that contains 2.88-g of Ne at a temperature of 32.9 C?
If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container.
Hydrogen sulfide decomposes according to the following reaction, for which, Kc=9.30 x 10^-8 at 700 degrees C.
20 millilitres of H2SO4 solution was titrated against 0.2M NaOH and required 12.4 millilitres to reach the end point. calculate the concentration of the H2SO4 solution in (a)Molarity (b) g/l.
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