How many metric tons of 5%-s coal would be needed
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 3.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
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Two slits produce fringes on a screen that is at a distance of 2.05 m from the slits. When the wavelength is 608 nm, the fringe spacing is 1.3 cm.What is the distance between the slits?For the same slits, what fringe spacing would occur for a wav
Is the solution saturated or unsaturated? what would happen if: (a) more KBr was added to the solution; (b) the tempurature was lowered to 0C?
The water level in a graduated cylinder initially at 224 rises to 287 after a piece of lead is submerged. What is the mass in grams of the lead?
Calculate the mass of propylene glycol that must be added to 0.340 of water to reduce the vapor pressure by 2.86 at 40 ( at 40 ).
The magnetic circuit shown in figure 1.17 has a mean core length of 52 cm and a cross-sectional area of 18 cm^2. The length of the air gap is 0.14 cm. Determine the battery voltage required to obtain a flux density of 1.2 T in the air gap. Use
Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if neither reactant is present in stoichiometric excess.
The ligand, hydrotris( 1-pyrazolyl)borate is commonly used in biomimetic complexes. Draw out the ligand. Why is this a useful ligand for bioinorganic model complexes?
A mixture of CaCO3 and CaO weighing 0.665 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
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