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solutions of iron iii chloride fecl3 are used in photoengraving and to make ink this compound can be made by the
magnesium combines with chlorine cl2 to form magnesium chloride mgcl2 during a synthesis reactiona write a balanced
how to find the theoretical yield of any compound or element please tell me step by
a compound is found to contain 495 carbon 519 hydrogen 165 oxygen and 289 nitrogen its molecular mass is 1942 gmol what
how do the following influence the percent yield begin by stating which data item would be in error and explain whether
what mass of ammonium chloride should be added to 255 l of a 0165 mnh3 in order to obtain a buffer with a ph of
suppose that 0330 mol of methane ch4g is reacted with 0480 mol of fluorine f2g forming cf4g and hfg as sole products
a 200 gram aluminum ball specific heat 090 j g-1 degc-1 at 80 degc was placed in 50 grams of water initially at 229
an analysis of the waste solvent vapors from a plant showed that the gas contained 20 mol ch4 20 mol cs2 10 mol so2 and
what is the phenomenon whereby certain compounds with the same molecular formula exist in different forms owing to
identify the process by which heat transfer by mass motion of a fluid such as air or water when the heated fluid is
name the famous new zealand scientist ernest rutherford was awarded a nobel prize in which
please be sure to show worktitration of acetic acid with naoh and hclin the titration of acetic acid withnbspnaoh why
classify each of the following as a pure substance a or a mixture b1 copper2 water3 nitrogenclassify each of the
1 nbspiron ii sulphate feso4 is easily oxidised to ironiii sulphatea calculate the percentage by mass of iron in ironii
1 name the following compounds2draw the structural formulas for the following compoundsa ethyl isopropyl ethera ethyl
289 the element lead pb consists of four naturally occurring isotopes with atomic masses 20397302 20597444 20697587 and
p-chloronitrobenzene was allowed to react with sodium 26-di-tert-butylphenoxide with the intention of preparing the
commercially compressed oxygen is sold in metal cylinders if a 120-l cylinder is filled with oxygen to a pressure of
a rigid vessel 10ft3 in volume contains saturated-vapor steam at 75psia heat exchange with a single external heat
benzene exhibits primary and secondary uv bands the band at 185nm appears to correspond to the homo-lumo transition
can someone show me an arrow pushing mechanism of the synthesis of dimedone from mesityl oxide and dimethyl malonate
a solution with weight percent of sodium hydroxide of 6 is prepared by adding the following mass of water to 200 grams
refer to the balanced equation below and answer the following questions2no g o2 g ----------gt 2no2 g1 how many moles
a 500 mg sample of each mixture was analyzed for its alkaline content using 01025 m hcl via double indicator