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Given 20 grams of CS2 and 3 moles of O2 and the following reaction, the amount of CO2 produced is: CS2 + 3O2 ? CO2 + 2SO2
Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9041 amu. What is the atomic mass of this element?
how do you find the concentraton of an isotope from its molarity and molecular weight with no other factors
determines how many grams of glucose are in 100 mL of the final solution?
How many moles of Cl2 can be produced from the given mass of HCl. c. Which reactant is the limiting reactant? d. What is the maximum amount of Cl2 that can be produced by this reaction e. Calculate the amount of excess reactant.
Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
Calculate the molarity of the solution produced by mixing the following substances. (Assume that the volumes are additive.) (a) 40.0 mL of 0.160 M NaCl and 65.0 mL of 0.133 M NaCl
What is the half life? How long would it take for the concentration of CH3NC to decrease to 75% of its initial value? to 30% of its initial value
How will this inadvertent transfer affect the calculated solubility product for calcium hydroxide. How will this inadvertent transfer affect the calculated molar solubility for calcium hydroxide
A 6.0 L flask contains a mixture of methane, argon and helium at 45 degrees C and 1.75 am. If the mole fractions of helium and argon are 0.25 and 0.35, respectively, how many molecules of methane are present
When a sample of HI(g) (0.1192 mol/L) is placed in 110.0 L reaction vessel at 968.0 K and allowed to come to equilibrium the mixture contains 0.02028 mol/L of H2(g). What concentration (mol/L) of HI(g) reacted? 2HI(g) = H2(g)+I2(g)
What is the vapor pressure of a solution with a benzene to octane molar ratio of 2:1. Vapor pressure at 50 C of benzene is 280 mmHg and of octane is 400 mmHg.
Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells' abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis.
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