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The accompanying photo shows a pipevine swallowtail caterpillar climbing up a twig.
(a) As the caterpillar climbs, its potential energy is increasing. What source of energy has been used to effect this change in potential energy?
(b) If the caterpillar is the system, can you predict the sign of q as the caterpillar climbs?
(c) Does the caterpillar do work in climbing the twig? Explain.
(d) Does the amount of work done in climbing a 12-inch section of the twig depend on the speed of the caterpillar's climb?
(e) Does the change in potential energy depend on the caterpillar's speed of climb?
strip of magnesium reacts in 3.0 mL of 5.0 M HCl over a given period of time. Evaluate the mol mg/mol HCl ratio for the reaction.
the transport of glucose from the intestine across the intestinal cell into the blood. Identify each step and their order by dragging the description into the appropriate box.
a sample of nitrogen occupies a volume 300 Ml at 30 degrees celcius and 700 mm Hg of pressure. what will be its volume at STP.
The decomposition of N2O to N2 and O2 is a first order reaction. At 730 degrees Celcius the half-life of the reaction is 3.58x10^3 min. If the initioal pressure of N2O is 2.10 atm at 730 degrees Celcius, calculate the total gas pressure after on h..
What properties are necessary and desirable for a solvent in order that it is well suited for recrystallizing a particular organic compound?
The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temperature. Which of the following statements are in agreement with the third law of thermodynamics. Check all that apply. Check all that apply. At absolut..
Suppose that a nuclear reactor is full with 1 million liters of contaminated (radioactive) water. Flushing of the contaminated water by flowing-in uncontaminated water at a rate of 1000 liters per day is being considered.
Calculate the concentrations of all species in a 0.530 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
indicate whether each are activating or deactivating, and whether each are ortho para or meta directing substituents.
Determine the synthesis of 3-hexanol starting from acetylene. Use your book and choose the reagents. It will take several steps and many reagents to get to the product.
1. what physical and chemical properties can be measured using cyclic voltammetry.2. what factors influence the
The activity of an enzyme is close to zero at pH = 10 and above and high at pH = 6 and below. The activity of this protein probably depends upon the presence of an amino acid with R-group
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