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Calculate the root mean squared speed for 16g of oxygen gas at 50(deg Celsius) and explain why we use this instead of the average velocity of all the particles.

Root mean squared speed is given by v(rms) = (3kbT/m)^(0.5) = 501.68. Student should show how to calculate the mass of each particle (m = (0.016)/0.5(6.01x10^23)), convert degrees celsius into kelvin and ...

Answered by Jonathan W. • Physics tutor

1924 Views

To what extent do urban areas in lower income countries (LICs) or newly emerging economies (NEEs) provide social and economic opportunities for people?

'To what extent' requires you to examine both the opportunities and restrictions which urban areas in LICs or NEEs can create. When answering this question it is beneficial to include case studies and ans...

Answered by Katherine H. • Geography tutor

39516 Views

“To what extent is Viola truly a comic heroine?”

When the audience first meets Viola, she is the victim of a tragedy and is a stranger to the exotic land of Illyria. It is in this crucial moment in the play that Viola decides to disguise herself as a m...

Answered by Ella C. • English tutor

2790 Views

The equation f(x) =x^3 + 3x is drawn on a graph between x = 0 and x = 2. The graph is then rotated around the x axis by 2π to form a solid. What is the volume of this solid?

f(x) = x³+ 3x V = π ∫(f(x)²) dx V = π ∫₀²(x³+ 3x)(x³+ 3x) dx V = π ∫₀²(x⁶ + 6x⁴

Answered by Zac C. • Maths tutor

3491 Views

Briefly discuss one factor affecting performance in Eye-Witness testimony (6 marks)

One affect on our performance in eye witness testimony is levels of anxiety and stress. The Yerkes-Dodson law states that there is a relationship between levels of anxiety/stress and the efficiency of our...

Answered by Tom B. • Psychology tutor

4999 Views