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    Please help with biology chemistry part

    I think I figuered out the biology part =) thanks
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    Please help with biology chemistry part

    I'm trying to calculated the rate of reaction In this lab I took a 50 mL beaker and poured in 10 ml of cold distilled water into it, I then poured in 30 ml of original enzyme solution (I believed we used cold potato juice or something), I then took a piece of paper and placed it into a...
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    Chemistry nomenclature help

    Homework Statement my book says that for nonmetal binary compounds that like you name the first element first than the next element with the proper prefix indicating how many atoms there are of that element CO Carbon monoxide Makes sense but it also says no prefixes are used for...
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    Easy Chemistry Problem Please Help

    Homework Statement 2 C8 H18 + 50 O2 --> 16 C O2 + 18 H2 O How many moles of oxygen are required to burn 5.00 moles of octane? I got 125? Homework Equations The Attempt at a Solution
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    Chemistry very easy please help I forgot how to do this

    Homework Statement For many years the recovery of gold-that is, the seperation of gold from other materials-involved the use of potassium cyanide: 4AU + 8KCN + 02 +2H20 -> 4KAu(CN)2 + 4KOH What is the minimum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold...
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    1986 AP Biology Multiple Choice Key

    Homework Statement I'm looking for the key so that way I can check my work. I'm sure a teacher on here whom taches AP Biology has this document handy. I was woundering if someone who has it can give it to me. I'm not asking for the exam. I have the exam. Believe me I'm not that stupid...
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    AP Biology HELP!

    Homework Statement Questions 109-111 refer to the map below of the distribution of several populations on the continents of Eurasia and North America. These populations were derived from a common ancestral species. The area enclosed by a given dotted line represents the distribution of...
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