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A piece of stainless steel which is having the specific heat = 0.50 Jg^-1c^-1 is transferred at 23.6C^o from an oven at 191C^o into the 125 mL of water. The water temperature rises to 50.5C^o .
A current carrying aluminum wire, having diameter of D = 0.10mm and length L = 2 m, consists of a uniform field of E = 0.2V/m imposed all along its whole length. The temperature of the wire is T = 5
Determine the numbers of grams of each of the following substances will dissolve in 100 ml of the cold water? Consult your handbook. Ce (IO3)4, RaSO4, PB(NO3)2, (NH4)2SeO4
State total time needed to complete 70 mi trip (bike and car)as the function of rate of x of bike. Josh rode his bike 17 mi from his home to Columbus, and then traveled 53 mi by car from Columbus to D
The surface whose work function is F = 4.5 eV is illuminated through a light whose wavelength is 57.3 nm. Determine the maximum kinetic energy of the photoelectron emitted from the surface? The spee
Compare the heat evolved in the combustion of sucrose (C12H22O11) at the constant pressure per mole of oxygen and plasmatic acid(C16H32O2) with the combustion of a typical protein, for which the empir
Part A) X-rays having energy of 484 keV experience Compton scattering from a target. The scattered rays are deflected at 49.4 degrees relative to the direction of the incident rays. Determine the Co
A mass of 6.50 kg oscillates according to the equation x = 0.25 sin (5.50t) where x is in meters and t is in seconds. Find out: i) The amplitude ii) The frequency
Determine the numbers of money was raised by the tax? The state of Alabama imposes a $0.52 / gallon on beer. One very hot summer in the 2009, 65,250,000 liters of beer were consumed in the Alabama.
The density of zinc is around 7.15 g/cm3, and its atomic mass is 65.3. Supposing each zinc atom contributes two mobile electrons to the metal, determine the number density of free charges in the wir
A guitar consists of 6 strings, all of the similar length however of different pitch. Determine what should be true of the velocity of the waves on each string as the pitch goes up?
The two point sources of microwaves, each encompass a frequency of around 109 Hz, are separated by 60 cm and transmit in phase. Explain the radiation pattern.
Mean score for the random sample of 100 seventh-graders is 75.7 with the standard deviation of 15.2. What criterion would be utilized for rejecting null hypothesis, provided claim that µ >
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with the gaseous oxygen and liquid water to form aqueous nitric acid.
You are 1.9 m tall and stand 3.2 m from the plane mirror which extends vertically upward from the floor. On the floor 1.5 m in front of mirror is a small table, .8 m high. Determine the minimum heig
The two masses are joined altogether through a mass-less rod of length 0.8m. One mass is 1kg and the other is 3kg. They are rotating having a period of 0.25s. Determine their moment of inertia and
Starting with solid sucrose (C12H22O11), determine how you would prepare 250mL of a 0.250M sucrose solution. Determine how you would prepare 350.0mL of 0.100MC12H22O11 starting with 3.00L of 1.50
The object sits on a table 12 cm from the positive thin lens of focal length 9 cm, which in turn is 21 cm in front of a negative thin lens of focal length -18 cm. Situate the image made by the syste
The baseball player makes the running slide onto home plate at the speed of 4.5m/s. If he has the mass of 65.0kg and coefficient of kinetic friction of 0.60, how far he slides?
A simple camera includes of a thin positive lens that casts a real image on the film plane. Assume that the lens consists of a 50 mm focal length. Determine how far from a 1 m tall object should the
Explain why is 1-methylcyclohexene more stable than the 3-methylcylohexene. Identify the hyper conjugation mean.
Determine how far from a 1 m tall object should the camera be when the image is to appear 25 mm high? Determine how far will the lens be from the film plane?
The distribution coefficient, k= concentration in ligroin / concentration in water, between ligroin and water for solute A is 7.5. Discuss what weight of A would be removed from a solution of 10g of
A thin positive lens produces an 8 cm tall erect image of a 5 cm tall object positioned 90 cm from the lens. Calculate the focal length of the lens and situate the image.
After t seconds, ball's distance, d, in inches from its rest position is provided by equation d = -4 cos (pi/3 * t) What are all values of t for which ball is 2 inches above rest position.