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An equal number of moles of H2 and Cl2 are mixed and held at 298 K and a total pressure of 1 bar. Calculate the collision frequencies z12 and z21, where hydrogen is component 1 and chlorine is component 2. Given: d1=0.272nm and d2=0.544nm.
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
A buffer is made by mixing HCN and KCN to give a solution whose pH is 9.49. If the KCN molarity is 0.20 M, what is the molarity of the HCN?
Geometric isomers illustration, This is more of a theoretical question I think. Co(NH3)5ClBr has two compounds for that one formula.
The half life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
What mass of CO2 and H20 would be produced during the combustion analysis of 0.1674 g of the cobalamin?
The solubility of a gas in H2O at a temperature of 25 °C and a pressure of 1.2 atm is 0.042 M. What will the solubility of the same gas be in H2O at the same temperature at 3.4 atm.
Olive oil is comprised of 80% oleic acid, CH3(CH2)7CH=CH(CH2)7COOH. How many molecules of acetyl CoA are produced by catabolism of oleic acid
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 492 mL of a 0.350 M NaCl solution?
A compound composed of sulfur and fluorine is found to contain 25.24% by mass of sulfur. If the molar mass of the compound is 254.11 g/mol, what is its molecular formula?
The first thing you are asked to do in lab is record the ambient temperature. Why is it necessary to know the temperature
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