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The total pressure inside a 1.87 L cylinder at 32.5 C is 1.78 atm. The temperature decreases to -28.4 C.
If the volume remains the same, what is the new pressure inside the cylinder?
What is the formula mass for diboron tetrachloride? What is the formula mass of copper (II) fluoride? Write a formula for the compound that forms between barium and each polyatomic ion.
An auto mechanic spills 87 mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 2.6 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid.
How much heat is required to change a) 32.6 g of ice at 0.0 C into water at 0.0 C b) 32.6 g of water at 100.0 C into steam
1 research on the causes of coronary artery disease.on the basis of your research respond to the following state the
Hard water often contains dissolved Ca2+ and Mg2+ ions. One way to soften water is to add phosphates. The phosphate ion forms insoluble precipitates with calcium and magnesium ions
How many moles of S2 would you have to have at equilibrium in a 3.68 liter box in which there are 1.63 moles of H2S and 0.864 moles H2
A flask contains 2.00 moles of nitrogen and 2.00 moles of helium. How many grams of argon must be pumped into the flask in order to make the partial pressure of argon twice that of helium?
Balance and write half reaction, complete and net ionic equation for this reaction (show your working):
How many grams of NaOH and H2O are required to prepare 100 g of a 28.7% NaOH by weight solution?
question write the rate law for the following reaction if it were to occur thru a single step mechanism2i-aqs2o82-
a. calculate the molar mass of unknown x if 1.60 g of unknown x dissolved in 100.0of cyclohexane produces a freezing
Lead metal can be extracted from a mineral called galena, which contains 86.6 % lead by mass. A particular ore contains 68.5 % galena by mass.If the lead can be extracted with 92.5 % efficiency, what mass of ore is required to make a lead sphere w..
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