How many moles of CH₃NH₃Cl need to be added to 200.0 mL of a 0.500 M solution of CH₃NH₂ (Kb for CH₃NH₂ is 4.4 × 10⁻⁴) to make a buffer with a pH of 11.00?
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What is the correct formula for the compound below?
What is the correct formula for the compound below?
1. How does the writer convey the narrator’s feelings in ‘…
1. How does the writer convey the narrator’s feelings in ‘Still I Rise’? In your answer, you should write about: the narrator’s feelings about herself the narrator’s feelings about others the use of language and structure. You should support your answer with close reference to the poem, including brief quotations. (30)
What is the favored direction for the reaction below?
What is the favored direction for the reaction below?
If a company always strives to introduce new products and se…
If a company always strives to introduce new products and services, that indicates that this company adopts a(n) _____ competitive strategy.
Predict the direction of the reaction based on pKa values fo…
Predict the direction of the reaction based on pKa values for the reactants.
The most fundamental information systems in an organization…
The most fundamental information systems in an organization are _____________, which are responsible of collecting and providing data to other information systems.
Which type of decisions is intended to deal with “fuzzy,” co…
Which type of decisions is intended to deal with “fuzzy,” complex problems for which there are no cut-and-dried solutions?
Identify the correct staggered conformation of 2-hydrox-3-me…
Identify the correct staggered conformation of 2-hydrox-3-methylpentanoic acid shown below viewed from the C2-C3 perspective. Indicate which of the staggered conformations is the lowest energy
Identify the lowest energy conformation for trans-3-ethylcyc…
Identify the lowest energy conformation for trans-3-ethylcyclohexan-1-ol. (1,3-Axial HO = 4.2 kJ/mol, iPr = 9.2 kJ/mol)