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Calcium carbide is an intermediate in the manufacture of acetylene. (Calcium carbide was also used for years in mining lamps.) Its chemical formula is CaC2. What is the bond order of the C22- ion
When working NMR questions, solutions maunuals say that the peaks are 1.0 spaces long or 5.5 spaces long.
According to XRF my sample has 41 wt-% of SiO2 and 59 wt-% of Fe2O3. How do I convert the oxide wt-% to element mol-% to determine the cation Si:Fe ratio
gold forms a substitutional solid solution with silver. compute the weight percent of gold that must be added to silver
Ethan contain 2.659 carbon and .668 gm of H, and one sample of acetylene contains 4.59 g of carbon and .382 gm of h. write emperical formula for ethane , acetylene
a sample of toothpaste was analyzed for its fluoride content by treating a 250 mg samplenbspwith an ionic strength
Dinitrogen pentoxide is a product of the reaction between P4O10 and HNO3. Balance this reaction and calculate the theoretical yield of N2O5 if 79.7 g of P4O10 are reacted with excess of HNO3.
Using the quadratic equation to calculate H3O+ in 0.00250 M HNO2. what are the values of a,b,c, and x. Recall that Ka=4.5 x 10^4
A hot-air dryer is used to reduce the moisture content of 1500 kg/min of wet wood pulp from 0.75 kg H20/hg dry pulp to 0.15 wt% H20. Air is drawn from the atmosphere at 28 deg. C, 760 mmHg, and 50% relative humidity, sent through a blower-heater, ..
Commercially available concentrated sulfuric acid is 18M. calculate the volume of this acid that is required to prepare
The first-order rate constant for the decomposition of C2H5Cl, C2H5Cl(g) C2H4(g) + HCl(g) at 27 oC is k = 7.27e-30 s-1. Suppose we start with 0.0813 mol of C2H5Cl in a volume of 6.0 L. How many moles of C2H5Cl will remain after 2.20e+27 min
the following reaction represents the decomposition of water2h2o i- 2h2 g o2 ghow many molecules of hydrogen are
Acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate Ka for acetic acid.
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