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20 kg of water occupy a volume of 1 m^3 in a piston cylinder device at a pressure of 45 bars, Determine the final temperature of the water and Calculate the work and heat involved during this process
Find the pH and volume (mL) of 0.447 M HNO3 needed to reach the equivalence point(s) in titrations of each of the following
how to describe the locus of the equation x^2+6xy+y^2+z^2=1 in cylindrical polar coordinates?
For 140 keV gamma rays, the mass attenuation coefficients for hydrogen and oxygen are 0.26 and 0.14 cm^2/g, respectively. What is the mean free path in water at this energy
Describe how and why the ferric chloride test can be used to detect whether your reaction has gone to completion.
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 3.0 V for 0.95 ms, Find the current that flows during a pulse
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
Using the quantities 3 grams of salicylic acid and 6ml of acetic anhydride noted in the macro scale procedure and any other necessary data, calculate the theoretical yield in moles and grams of aspi
A solid object is made of two materials, one material having density of 2.4 g /cm3 and the other having density of 8.6 g/cm3. If the object contains un-equal masses of the materials (75/25), what is
A parallel plate capacitor with 4.0 mm plate spacing has circular plates and holds a charge of +/- 6 uC on each plate when it is charged to a potential of 100 V. What is the radius of the plates
What is the resonance structure that best describes the overall structure of the SNO+1 ion
On which doctrine did Luther and Zwingli disagree? On which doctrine did Calvin and Luther disagree? Martin Luther’s Ninety-Five Theses were a call for. Henry VIII of England
The bond angles in H3O+ are:? a) slightly less than 109.5o b) exactly 109.5o c) slightly less than 90o d) exactly 90o
A cylinder of length L = 18 cm and radius R = 5.4 cm has its center at the origin and its axis along the x axis such that one end is at x= +9 cm , What is the net charge inside the cylinder
The soution in contact with the graphite electrode consists of dissolved Sn(NO3)2. The solution in contact with the copper electrode consists of dissolved CuNO3.
An ?-particle has a charge of +2e and a mass of 6.64 × 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.75 × 106 V, what are the radius of its c
The procedure calls for cautions addition of water to the reaction mixture while it is still hot. What purpose does the addition of water serve and why should the addition be done while the reaction
What were some of the implications that flowed from the introduction of Royal Rule on the French colony of New France? What effects did the introduction of Catholicism have on the Huron in the sevente
Find the charge-to-mass ratio of an unknown point charge that is repelled strongly enough from a single electron to be suspended motionless against its own weight
What is the purpose of sulfuric acid or phosphoric acid used in the acetylation reaction? Use equations to explain this purpose.
What are the marginal costs and benefits of pursuing additional education and the inherent risks associated with this decision
A barge on a still lake is moving toward a bridge at 10.0 m/s. When the bridge is 41.0 m away, the pilot slows the boat with a constant acceleration of -0.88 m/s2, Find the final velocity for each t
The molecular shape of [TeF3 ]-1 is: A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
Using specific examples from Homer’s “The Iliad” and from one visual representation (sculpture, architecture, pottery, etc), analyze how Protagoras’ statement that “man i
What is the electron configuration of diatomic BN+. What is its bond order