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A fire power plants burns 10,000 tons of coal containing 2% S per day with 10% excess air. How many wet limestone are needed to remove SO2?
A flask is charged with 0.140 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g)--> B(g)
in most general chemistry courses students calculate the molar mass mm of a volatile liquid using the ideal gas law pv
you have received three shipments of iron ores impure iron sampleof the following weights 2852 1578 and 1877 lbs. there
Question- Assuming the general trend for reactivity of metals across a row, predict whether or not the following reactions will take place. Cr+FeCl3 Al+NaCl
To make a phosphate buffer at pH 9.6 starting with 1L of 10 mM phosphoric acid (H3PO4; pKs are of 2.15, 6.82, and 12.38 determine how much KOH ), you could add?
a solution is prepared by placing 22.9 g of kcl in a 0.800 lvolumetric flask and adding water to dissolve the solid
The concentration of the primary waste in the pond is 35 mg/L. All of a sudden, the process changes and the concentration of the waste in the stream coming into the pond jumps to 250 mg/L. The pond is 500,000 L and the flow rate of the waste comin..
The combustion of how many moles of ethane C2H6 would be required to heat 587g of water from 25 degree to 78 degree. ( assume liquid water is formed during combustion.)
Calculate the hydrogen ion concentration in a solution of fruit juice having a pH of 4.25. A) 1.0 × 10-14 M D) 2.5 × 10-4 M B) 5.6 × 10-5 M E) 5.6 × 10-4 M C) 4.0 × 10-25 M
How many moles of stem are produced at 2.00 atm and 202.0 celcius by the complete combustion of 12.50 L of methane gas?
Explain in terms of their structures why each of the following pairs of substances have very different chemical and physical properties: (a) silica and carbon dioxide (b) oxygen and sulfur
What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
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