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The thermite reaction is a very exothermic reaction; it has been used to produce liquid iron for welding. A mixture of 2 mol of powdered aluminum metal and 1 mol of iron(III) oxide yields liquidiron and solid aluminum oxide. How many grams of the mixture are needed to produce 173 kJ of heat?
given that is the central atom draw a lewis structure of in which the formal charges of all atoms are zero.nbspdraw the
The data for the trickling filter is the following: recirculation ratio = 1.5; diameter = 25 m; depth = 2 m. Determine the hydraulic load (m3/dm2) and the treatment efficiency of the trickling filter.
suppose you have a buffer at ph 5.0 that is 1.00m in hx and 1.00 m in x- where hx is a weak acid with ka 1.0 x 10-5 m.
crystallizes with the body-centered cubic unit cell. Calculate the radius of a sodium atom. and what is the edge length of the cell in picometers?
how many total moles of ions are released when each of the follwing samples dissolves completely in water?
Calculate the concentration of chloride ions when 100.0 mL of 0.205 M sodium chloride is mixed with 250.0 mL of 0.150 M calcium chloride.
Compute molar mass of ethanol after calculated molar mass in an experiment and the given molar mass of ethanol is 46.07g
Calculate the pH for each of the following cases in the titration of .50 mL of .150 M hypochlorous acid, HCLO(aq)
A dryer removes 20,000 lb/hr of water from paper. Air at 70 deg F and 50% Relative Humidity enters and leaves the dryer at 140 deg F at 80% Relative Humidity. The barometric pressure is 14.3 psi. Calculate the total air flow to this dryer (ft^3/mi..
Which of the following are not soluble in water? Remember that the solubility rules apply to ionic compounds, but not necessarily to covalent compounds
What is the mass in grams for each of the following: a) 5.12 mol of Al, b) .75 mol of Cu, c) 3.52 mol of MgBr2, d) 0.145l of C2H6O, e) 2.08 mol of (NH4)2SO4.
in reacting anthracene and maleic anhydride, does the structure of the product make sense in terms of the aromaticity of anthracene and the product?
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