Mikaela

This page lists questions and answers that were posted by visitors named Mikaela.

Questions

The following questions were asked by visitors named Mikaela.

A cord runs around two massless, frictionless pulleys; a canister with mass m=20 kg hangs from one pulley; and you exert a force F if you are to lift the cord. a) What must be the magnitude of F if you are to lift the canister at a constant speed? b) To l...

I have no idea how to do this problem, and I've been searching through my book for an hour. Help please? An energy of 2.0x10^2 kJ/mol is required to cause a cesium atom on a metal surface to lose an electron. Calculate the longest possible wavelength of l...

If one body is positively charged and another body is negatively charged, free electrons tend to A. move from the negatively charged body to the postively charged body. B. move from the postively charged body to the negatively charged body. C. remain in t...

I have an 8 in the ten thousands place, My hundreds digit is greater then my ten thousands digit, My ones digit is the number of right angles in a rectangle, my tens digit is the difference between thirteen and my ten thousands digit, my value is less tha...

A person 6 feet tall walks at a rate of 150 feet per minute toward a light tower whose searchlight is located 40 feet above the ground. Find the rate that the length of the shadow is changing.

A plane travels east from San francisco towards St. Louis at 500 miles per hour, and a turbojet travels north from new orleans toward St. louis at 600 miles per hour. Find the rate of change of the distance between them when the jets are 300 miles apart,...

Describe what happens to a can of carbonated soda when it is left in a hot car. Be sure to explain the relationship between the number of molecules, temperature, pressure, and volume. I know how temperature is related to all of the above but I am not sure...

Answers

The following answers were posted by visitors named Mikaela.

I do not know the answer what is the answer

So should I write that as the temp increases, pressure decreases and that volume & number of moles stay constant ...?

x(1 - 1/3)(3/4) = 6 x(2/3)(3/4)n = 6 6/12x = 6 x = 6(12/6) x=12

He who is afraid of the leaves must not go into the forest