Recent content by Intr3pid

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    Can All Solids Be Liquefied by Increasing Pressure?

    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)...
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    How to Approach Challenging Organic Chemistry II Problems?

    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...
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    E.coli with minimal media problem, HELP

    sorry about that, here's the file.
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    E.coli with minimal media problem, HELP

    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...
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    Biology Autosomal and X-linked genetics problem

    help please?
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    Biology Autosomal and X-linked genetics problem

    Can you give me a few more hints or explanations? I'm still really confused.
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    Biology Autosomal and X-linked genetics problem

    can someone please provide me some hints? I'm very stressed out about this question.
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    Biology Autosomal and X-linked genetics problem

    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...
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    Biology How Do You Solve Genetics Probability Problems?

    for part C, how do I find all the possible combinations without writing them all out?
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    Biology How Do You Solve Genetics Probability Problems?

    Ok, I managed to to parts a and b. Can anyone give me a hint on how to do problem c? thankx
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    Biology How Do You Solve Genetics Probability Problems?

    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...
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    Identifying Lewis Acids: H3O+, Cl-, SO2, and GaCl3 | Homework Solution

    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...
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    Equilibrium Question: Get Help Solving

    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...
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    Calculating Cliff Height from Sound Time Delay | Kinematics Question

    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...
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    Kinematics questions from a new physics student

    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...