Diethylamine c2h52nh is a weak base pkb316 at 25oc what is
Diethylamine, (C2H5)2NH, is a weak base (pKb=3.16 at 25oC). What is the pH of 0.155 mol/L (C2H5)2NH(aq) at 25oC? Give your answer accurate to two decimal places.
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What is the net upward force on an airplane wing of area 20.0 m2 if the speed of air flow is 221 m/s across the top of the wing and 206 m/s across the bottom
Given that the ionizable H atoms are associated with carboxyl groups, draw a plausible structure for maleic acid.
Constructing the foundation causes changes in the levels of vertical stress at all points in the soil. One such point lies at the centre of the footing plan and is at a depth of 10m. Determine the increment of vertical stress there.
A weather emergency siren is mounted on a tower, 177 meters above the ground. On one hand, you would like to make the siren very loud so that it will warn as many people as possible. what is the maximum power that the siren can put out
During the recent camping trip, a curious junior engineering student (like yourself) noticed that water is being discharged from a high reservoir to a stream in the valley through a 0.3 m diameter plastic pipe.
A sedimentation basin is used to remove suspended solids from a wastewater. The rate of flow of wastewater into the tank is 10 L/s, and the influent concentration of suspended solids is 200 mg/L.
Use the Gibbs phase rule to find the degrees of freedom for the following systems at equilibrium: a. Liquid water in equilibrium with water vapor. b. Liquid water in equilibrium with humid air.
A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and |v|=49600 m/s
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Write this to my teacher not find it copy from any where: Positive Reinforcement: I find positive reinforcement fascinating because it is a fundamental concept
Question #2: Explain whether you think your Big Five or HEXACO measures are a better measure of personality.
Which needs include titles, the satisfaction of completing the job itself, merit pay raises, recognition, challenging tasks, and the chance for advancement?
The article The Impact of Experiential Groups on Master Students' Counselor and Personal Development: A Qualitative Investigation by Leva
The period of adolescence and early adulthood mark important periods in human development. Physical, cognitive and psychosocial development
Comment on this post: Verbal altercations can be one of the most challenging classroom behaviors as they can lead to physical altercations
Identify a stereotype you use, and consider 5 people to whom you might apply it. For example, elderly, fraternity/sorority students, cultural stereotypes,