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Assuming the volumes are additive, what is the [Cl-] in a solution obtained by mixing 235mL of 0.600M KCl and 610mL of 0.400M MgCl2?
12.0 moles of gas are in a 3.00L tank at 22.7C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300L^2*atm/mol^2 and b=0.0430 L/mol.
A covalent compound is composed of a nitrogen atom, a hydrogen atom, and a carbon atom. How many electrons should the Lewis structure of the covalent compound contain?
What are three things that can happen when an electron beam interacts with a sample. What type of information can result from these interactions
A diet soda contains 0.5% sodium, 0.25% potassium and 0.6% aspartame. Can you please show me how to calculate how many grams of each you would consume by drinking a 100 mL can of soda.
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
A solution of 100 mL of 0.2 M NH3 is titrated with 50 mL of 0.5 M HNO3. What is the pH of the resulting solution? Kb for NH3 is 1.8 × 10-5.
Liquid hexane, C6H14 burns in oxygen gas to yield carbon dioxide and water. What is the minimum mass of oxygen required for the complete reaction of 10mL of hexane. (density of hexane = .660g/mL)
What is the molarity of sucrose, C12H22O11, that contains 125 g of sucrosein 3.50L of solution?
Given the three formation equations and their enthalpy values, calculate the enthalpy of the given reaction.
What is the rate law for step 1 of this reaction? ((Express your answer in standard Mastering Chemistry notation.
2.1g of cyclohexene is reacted with 6.0g of bromine to yield 2.0g 12-dilonemocyclohexane.can 123-tribromocyclohexane or
write the balanced ionic and net ionic equation for each what is the balanced ionic and net ionic equation for each 1.
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