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A block of metal has a width of 3.2 cm, a length of 17.1 cm, and a height of 2.7 cm. Its mass is 1.5 kg. Calculate the density of the metal. Express in grams per cubic centimeter using two significant figures.
A tank with a total pressure of 4.7 atm has a mixture of gases that is 72% nitrogen, and the rest is oxygen. What is the partial pressure of the nitrogen? The oxygen?
Acetic acid is produced on a large scale by the carbonylation of methanol at about 500 K and 25 bar using a rhodium catalyst
if 510 grams of sodium hydroxide reacts, how many grams of magnesium nitrate are needed for complete reaction?
If 159 of wet is collected over water at 24 and a barometric pressure of 737 , how many grams of have been consumed.
The half-life of a reaction, is the time it takes for the reactant concentration to decrease by half. For example, after one half-life the concentration falls from the initial concentration to, after a second half-life to, after a third half-life ..
Creatine is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly realiable indicator of kidney function.
.914g sample of stannous flouride gives a 1,078g precipitate of stannous phosphate. calculate the theoretcial yeild?
A steel cylinder with nitrogen, hydrogen, and ammonia gases is at 500°C and 4.91 atm. If the partial pressure of nitrogen is 1850 mmHg and hydrogen is 1150 mmHg
A 2.00 liter vessel is ?lled with NH3(g) to a pressure of 4.00 atm and the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) comes to equilibrium at a ?xed temperature.
Compute the enthalpy change, , for this reaction per mole of (Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] )
At a particular temperature, K 3.75 for the reaction SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial concentrations of 0.800 M
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 38.0 mL of 0.480 M Cd(NO_3)_2 solution
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