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calculate the molarity of of the following solutions 6.57g of methanol ( CH3 OH) in 1.50 x 10^2 mL solution
Using the van der Waal constants for methane in table 1.3 (a=2.283, b=0.04278) to calculate the initial slopes of the plots of the compressibility factor
A sample of a gaseous compound of nitrogen and oxygen weighs 5.25 g and occupies a volume of 1.00 L at a pressure of 1.26 atm and temperature of -4.0 °C. Which of the following molecular formulas could be that of the compound
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
What is the maximum number of unpaired electrons an atom can have in this series? Will thsi be a new record for atoms in the periodic table?
A sample of nitrogen gas was collected over water at 20 degrees celsius and a total pressure of 1.00 atm. A total volume of 2.50 x 10^1 mL was collected. What mass of nitrogen was collected
For each molecule, draw the Lewis structure that satisfies the octet rule for that molecule and also draw the Lewis structure that minimizes formal charges for the molecule as well. For the Lewis structure that satisfies the octet rule
A spoonful of sodium chloride is dissolved in a liter of water. What is sodium chloride in this solution?
In the photosythesis process sugars are produced during the reaction of carbon with water Assuming air is composed of 0.030% carbon dioxide calculate the volume of air required at reference conditions to produce 1.0kg of sugar.
In the second step of the wrinkler method, the Mn(OH)3 is acidified to give Mn3+ and iodide ion is added. Does Mn3+ spontaneously oxidize I-? Write the balanced chemical euqtion for its reaction with I- and use the standart electrode potentials to..
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
A buffer is to be prepared by adding solid sodium acetate to 0.10 M CH3COOH. Which of the following concentrations of sodium will produce the most effective buffer
what is the theoretical yield of zinc iodide, if a 2.0-g sample of zinc was used with 6.5 grams of iodine
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