Recent content by lolphysics3

Homework Statement In math 334 one semester, the average student made 1200 computations per month with a standard deviation of 150 computations. Assume that the number of computations is approximated by a normal curve. Find the percent of students making between 1200 and 1600 computations a...

I'm in high school and my english final was basically analyzing a short story and then writing an essay on what I thought the theme/message was. I completely and utterly screwed up, it was a really challenging piece but the conclusion I came to turned out to be completely wrong, and in hindsight...

Homework Statement Hydrogen gas is collected over water at 25°C. The atmospheric pressure in the room is 745 mm Hg and the volume of gas in the container is 43.5mL. The vapor pressure of water at 25°C is 23.8 mm Hg. Determine the volume the gas would occupy at STP. Homework Equations...

Homework Statement Find the equation in the general form of the sphere described: Center (1,4,-3) radius square root of 26. Homework Equations None The Attempt at a Solution Well I need to find the center of the sphere to be able to right the equation. Given the radius, which...

Homework Statement tangent to x-3y+4z+23=0 at (1,4,-3) with radius sqrt(26) Homework Equations The Attempt at a Solution well i initially thought it's possible to set up a system of equations but it didn't work out.

So would I have (Msteam*Lheatsteam)+(Mwater*Lheatwater)+(Mice*Lheatice)+(Mice*Sice+change in temp ice)=0?

I don't need you guys to give me the answer or anything, I just want some help understanding the concepts and how to go about setting up phase change problems. Please help, I have a test tomorrow and I've been studying all week and still don't really understand.

Homework Statement How much heat is released freezing 75 grams of steam at 110 degrees celcius into ice at -5.1 degree celcius Homework Equations The Attempt at a Solution I tried to do this problem but got an answer like -17101.6J. I don't need you guys to give me an answer but...

Homework Statement I have three questions I need help on. Can someone please explain to me how to do them, how to correctly set up the problem, and what I need to know. I have a test tomorrow. Thanks! Q1: How much heat is released freezing 75 grams of steam at 110 degrees C into ice at...