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A chemical engineering company forgot to coat the inside of a magnesium tank designed to hold hydrochloric acid. what would happen if this is a closed tank and how would you go about fixing the problem
what purpose does sodium carbonate serve during the extraction of caffeine from tea leaves?
How do the two graphs compare if the frequency factor of the second reaction is higher than the frequency factor of the first reaction but the two reactions have the same activation energy?
Pressure was exerted with a piston on molten naphthalene at 95 degrees Centigrade. The vapor pressure of naphthalene under 1.0 bar is 2.0 kPa and its density is 0.962 g cm-3. What is its vapor pressure when the pressure on the liquid is 15 MPa?
the molar heat of fusion is 6.02 kJ mol-1, obtain an expression in terms of A and D that gives the total heat needed to melt the block of ice if its temperature is the normal melting point.
When relatively small amounts of magnesium burns, the fires are extinguished using commercially available dry powder. Why might this fire rekindle days later as someone tries to remove the residue with water?
Consider the substitution reaction of H2S-BH3 with NH3, which generates two product molecules (ignore the states of matter), assuming that no species exceeds the octet rule. Given the following information:
what is the concentration in the solution of the first ion when the second one starts to precipitate at 25 C?
If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution.
The water level in the Carbon dioxide collection cylinder is higher than the water(H2O) level outside the cylinder.Is the wet carbon dioxide gas pressure greater or less than atmospheric pressure.
If a diamond consisting of ten sextillion "randomly-selected" carbon atoms (roughly a one-Karat diamond) were placed on an anallytical balance, the balance would read.
The absence of an alkene C=C IR stretch is definitive evidence that a compound lacks an alkene functional group.
20.00 ml of 0.100F Pb(No3)2 (FW 331.2) are mixed with 15.00 ml of 0.125 F Nal (FW 149.9). Lead (II) and iodide form an insoluble salt pbl2 (FW 461.0) Calculate the concentration of each of the remaining ions after mixing. [Pb+2], [i-],[na+],[n03-]..
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