How old is the peruvian corn
The 14C activity of some ancient Peruvian corn was foundto be 10 disintergrations per minute per gram of carbon. If present day plant life shows 15 dpm/g, how old is the Peruvian corn? Thehalf life of 14C is 5730 years.
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The current density in a copper wire of radius 0.750 mm is uniform. The wire's length is 6.00 m, the end-to-end potential difference is 0.200 V, and the density of conduction electrons is 8.10 × 10^28 m-3. How long does an electron take (on
In the complex ion [ML6]n+, Mn+has seven d electrons and L is a strong field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?
The rope will break if the tension in it exceeds 2.10×104 , and our hero's mass is 80.5 . 1) If the angle between the rope and the horizontal is = 11.7, find the tension in the rope.
Find the center, foci, vertices, and lengths of the major and minor axes. If it is a parabola, find the vertex, focus, and directrix. If it is a hyperbola, find the center, foci, vertices, and asymptotes.
If an additional 5.0 mJ of energy are supplied to the rotational energy, what is the new angular speed of the ball?
Consider an electrochemical cell constructed from the followinghalf cells, linked by an external circuit and by a KCl salt bridge.1. an Al(s) electrode in 1.0 M Al(NO3)3solution 2. an Pb(s) electrode in 1.0MPb(NO3)2 solution.
The tangential acceleration at and the centripetal acceleration ac of a point at the edge of the disk.
Determine the amount of heat emitted when each of the following completely reacts (assume that there is more than enough of the other reactant):
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult