Solve the problem.According to the Gas Kinetic Theory, the average speed of a gas particle is given by 
where 
is the speed in m/s, k is the constant 1.38 × 10-23, T is the temperature of the gas in Kelvin, and m is the mass of the gas particle in kg. What is the average speed of an oxygen molecule with a mass of
at a temperature of 500 K?
A. 174 m/s
B. 1020 m/s
C. 330,700 m/s
D. 575 m/s
Answer: D
Mathematics
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Evaluate the expression.
A. -20 B. 12 C. -2 D. 2
Mathematics
In last year's math class, the class average was 78 and the class size was 176 students. The standard deviation was 7. What was the grade distribution?
What will be an ideal response?
Mathematics
Give the center and radius of the circle. Then sketch its graph.(x - 4)2 + (y - 5)2 = 25
A. center (4, 5), r = 5
B. center (4, - 5), r = 5
C. center (- 4, - 5), r = 5
D. center (- 4, 5), r = 5
Mathematics
Provide an appropriate response.Find integers m and n such that mn = 30 and m + n = 11.
A. 6, 11 B. 6, 5 C. -6, 5 D. -6, -5
Mathematics