Cheech
This page lists questions and answers that were posted by visitors named Cheech.
Questions
The following questions were asked by visitors named Cheech.
A 1260-kg car starts from rest at the bottom of a drive way and has a speed of 3.00 m/s at a point where the drive way has risen a vertical height of 0.600 m. Friction and the drive force produced by the engine are the only two nonconservative forces pres...
12 years ago
An object (mass 3.2kg ) slides upward on a vertical wall at constant velocity when a force F of 54N acts on it at an angle of 60∘ to the horizontal. N = 27 N Determine the force of kinetic friction on the object.
12 years ago
Water/methanol and water/acetone are viable solvent systems for recrystallization,but water/chloroform and water/pentane are not. Briefly explain in 1-2 sentences.
12 years ago
Chemical explanation of how drying agents, such as anhydrous sodium sulfate, work/dry?
12 years ago
How are INSOLUBLE impurities removed during recrystallization? How are SOLUBLE impurities removed? thank you.
12 years ago
A 2.60-kg block is attached to a horizontal spring that has a spring constant of 203 N/m. At the instant when the displacement of the spring from its unstrained length is -0.115 m, what is the acceleration a of the object? In your answer, be sure to inclu...
11 years ago
Answers
The following answers were posted by visitors named Cheech.