Since it's cubic Km, you need to apply the Km to m factor 3 times. Steve and Sheldon are wong...the answer is 1.4*10^18 You have to 1.4*10^9 and have to multiply 1/1000 to that 3 times. The equation is 1.4*10^9 * 1/1000 * 1/1000 * 1/1000 = answer....add up all the 0s in the 1000s there are 9... Get Chemistry Help Free chemistry video lessons, videos of chemistry practice problems, and practice chemistry worksheets for high school and college chemistry. ... they are a huge help ... Chemical reactions and stoichiometry | Chemistry | Science ... Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
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This is a collection of worked general chemistry and introductory chemistry problems, listed in alphabetical order. Included are printable pdf chemistry worksheets so you can practice problems and then check your answers. You may also browse chemistry problems according to the type of problem.
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Following are answer explanations to the problems located throughout the previous Chemistry articles. Hopefully, you've challenged yourself to attempt some of these as you've reviewed the various topics. If not, you can use these problems as additional review now. 1. By mass, the compound is 26.19% nitrogen, 7.55% hydrogen, and 66.26% chlorine.
Chemistry Energy Problems | Physics Forums Hello all, this question is really simple but I still seem to get it. A 50.0 mL sample of 0.500 mol/L MgSO_4 solution at 24.4 degrees celsius is added... Organic Chemistry Tutorials - University Of Illinois Click a topic. Hydrocarbons Nomenclature. Alkane Names; Alkyl Groups; Functional Groups. Hydrocarbons; Halides; Oxygen; Nitrogen Home :: Free Homework Help and Answers :: Slader
Help with Chemistry Problem PLEASE!? | Yahoo Answers For the first part, calculate the molecular mass of each empirical formula. Compare this to the true molecular mass ans see how many units of the EF are inlcuded. That will give you the Molecular formula. For example, CH and 78 g/mol. The mass of CH is 13. There are 6 units of 13 in 78. So the molecular formula is C6H6. Mathway | Algebra Problem Solver To change subjects, please exit out of this tutoring session and select the appropriate subject from the menu located in the upper left corner of the Mathway screen. Not Supported While we cover a very wide range of problems, we are currently unable to assist with this specific problem. General Chemistry Topic Review - Purdue University These pages present some common chemistry problems and strategies for solving them. The pages recommend a problem solving strategy then show you how to work through each step of the problem. As you work through the problems, you will notice that: The current step is displayed in bold. Information used in the current step is highlighted in red. Science Problems Help: Physics and Math Solutions