There are 3,600 arc seconds in a degree
Indicate whether the statement is true or false
TRUE
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A jar holds 2.0 L of ideal nitrogen gas, N2, at STP. The atomic mass of nitrogen is 14.0 g/mol, the ideal gas constant is R = 8.31 J/mol ? K, Avogadro's number is NA = 6.022 × 1023 molecules/mol, and 1.00 atm = 101 kPa
(a) How many moles of nitrogen are in the jar? (b) How many nitrogen molecules are in the jar? (c) What is the mass of the nitrogen in the jar?
In an elastic solid there is a direct proportionality between strain and:
a. elastic modulus. c. cross-sectional area. b. temperature. d. stress.
The limit at which air contains as much moisture as it can hold for a given temperature is called
A) the dew point. B) saturation. C) the evaporation point. D) sublimation point.
A Compton scattering experiment is performed in which the scattered photons have a maximum energy of 17.2 keV. What was the incident energy of the photons used in this experiment?
A. 16.6 keV B. 18.5 keV C. 16.1 keV D. 17.8 keV