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Outline the steps needed to determine the limiting reactant when 30.0 g of propane, C3H8, is burned with 75.0 g of oxygen. How many moles of oxygen would you need to make a complete reaction with the numbers given?
write the missing formulas in the chemical equationss 6 h2o 1 ------------gt 3 mgoh2 s 2 nh 3 gmg oh2 s--------gt s
When M2S3 is heated in air, it is converted to MO2. A 4.000g sample of M2S3 shows a decrease in mass of .277 g when it is heated in air.
The carboxylate groups in sugammadex play an important binding role in locking rocuronium into the central cavity of the cyclodextrin, but they also have an important role in allowing the drug access to the cavity.
calculate the density of a solid cube that measures 4.79 cm on each side and has a mass of
The pressure of a gas is measured in a closed manometer. The gas supports mercury at a height of 365 mm. What is the pressure in kPa?
question 1 which of the following best summarizes the main causes of water pollution today?increased runoff driving
What is the maximum age of a sample that can be measured by 14C dating if the error of measurement is 0.5%
how many grams of CaCl2 are needed to make 638.2 grams of a solution that is 28.5% (m/m) calcium chloride in water
Explain when pentane, C.5H.12, burns in oxygen, it produces carbon dioxide as well as water. If 85.5g of pentane is completely burned, what volume of carbon dioxide is produced? Assume the CO.2 cools to room temperature where its density is 1.997g/..
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
The Lyman series of emission lines of the hydrogen atoms are those for which nf = 1. a) determine the region of the electromagnetic spectrum in which the lines of the Lyman series are observed. b) Calculate the wavelengths of the first three lines..
A solution of NaOH(aq) contains 7.4 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
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