Recent content by Intr3pid

Homework Statement Which of the following solid substances can be liquefied simply by increasing the pressure suffciently? ice (H2O) diamond (C) dry ice (CO2) sulfur (S) graphite (C) Which of the following substances cannot be liquified at 1 atm pressure? nitrogen (N2) helium (He)...

Homework Statement please check PDF Homework Equations none The Attempt at a Solution I have no idea how to attempt this problem set. The instructor had this insane idea that if he gave us questions that we've never seen/dealt with before that he'd be doing a better job...

sorry about that, here's the file.

Homework Statement in the picture/attached file Homework Equations no equations necessary The Attempt at a Solution don't know how to start it off. I know the E.coli strain can't make the 5 compounds and the colonies present indicate which gene it's missing but I don't know how...

help please?

Can you give me a few more hints or explanations? I'm still really confused.

can someone please provide me some hints? I'm very stressed out about this question.

Homework Statement In the fruit fly drosophila melanogaster, vestigial (partially formed) wings (vg) are recessive to normal long wings (vg+) and the gene for this trait is autosomal. The gene for the white eye trait (w = white is recessive to w+ = red) is located on the X chromosome. Suppose...

for part C, how do I find all the possible combinations without writing them all out?

Ok, I managed to to parts a and b. Can anyone give me a hint on how to do problem c? thankx

Hi, I'm just stuck on a few questions. Can anyone offer me some assistance? a) In families with four children, what proportion of the families will have at least one boy? b) In families with two girls and one boy, what fraction of the families will have the boy as the second child...

Homework Statement Which of the following reactants are lewis acids? H3O+ + N2H4 --> N2H5+ + H2O Ag+ + Cl- --> AgCl CaO + SO2 --> CaSO3 GaCl3 + Cl- --> GaCl4 Homework Equations Lewis acids are electron pair acceptors while lewis...

Homework Statement refer to attachment please. I've tried many times but my answer seems to be wrong. Homework Equations none needed.The Attempt at a Solution I looked at what the equilibrium would do to relieve the stress onto the system but my answer seems to be wrong. *refer to the...

Homework Statement A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2s later. If the speed of sound is 340 m/s, how high is the cliff. Homework Equations d= v1t + 1/2at^2 v2^2 = v1^2 + 2ad The Attempt at a Solution I tried using d = vt...

Hi everyone I have a few conceptual questions about velocity and acceleration. Can an object increase in speed as its acceleration decreases? If it does, can you guys give me an example? Can an object have zero velocity and nonzero acceleration at the same time? Also give some examples...