3.00 moles of an ideal gas at a pressure of 250 kPa are held in a container of volume of 25.0 L. The ideal gas constant is R = 8.314 J/mol•K = 0.0821 L ? atm/mol ? K, and 1 atm = 1.01 x 105 Pa
The temperature of this gas is closest to
A) 240°C. B) -1.0°C. C) 480°C. D) -180°C. E) -22°C.
E
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Two capacitors with capacitances of 3.25 and 5.00 ?F, respectively, are connected in parallel. The system is connected to a 55-V battery. What charge accumulates on the 3.25-?F capacitor?
a. 16 ?C b. 180 ?C c. 0.30 ?C d. 3.4 ?C e. 1.5 ?C
In 1928, the International Astronomical Union (IAU) established _______________ official constellations with carefully defined boundaries that together include every part of the sky
Fill in the blank(s) with correct word
241Am decays by alpha particle emission. The daughter isotope in this case is (the atomic numbers of Np, Pu, Am, Cm, and Bk are 91, 92, 93, 94, and 95 respectively)
A) 239Np. B) 237Np. C) 245Bk. D) 235Bk. E) not given.
A charge per unit length given by ?(x) = bx, where b = 12 nC/m2, is distributed along the x axis from x = +9.0 cm to x = +16 cm. If the electric potential at infinity is taken to be zero, what is the electric potential at the point P on the y axis at y = 12 cm?
a. 5.4 V b. 7.2 V c. 9.0 V d. 9.9 V e. 16 V