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The compound known as butylated hydoxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 1.376 g sample of BHT was combusted in an oxygen rich environment to produce
Question- Describe what you would expect to observe if you placed a piece of shiny zinc metal into a beaker containing 0.10M Pb^2+. Explain why.
The reaction H2 + O2 + N2 ? NO + HNO + H is shown to have the following rate behavior: Rate (M/s) [H2] (M) [O2] (M) [N2] (M) 0.0028 0.2 0.4 0.2 0.0028 0.4 0.4 0.2 0.0056 0.4 0.4 0.4 0.0056 0.4 0.8 0.4 a) What is the rate law for the reaction. b) W..
Which element has 55 neutrons, 36 electrons, 40 protons and has a mass of 95. I know its 95Mo but does it have a ion charge of +2,+4,or+6? I've tried +2 and +6 but its wrong. Help would be appreciated.
Calculate the number of photons emitted in one second by a 13 W laser operating at a wavelength of 400.0 nm. photons
Directions: Select one U.S. presidential, foreign policy doctrine. Provide a brief summary of the foreign policy doctrine. Explain the historical circumstances that produced the military doctrine. Provide a specific example when the military doc..
I did three trials and my volumes for the sodium thiosulfate were 12.5 ml, 11.1 ml, and 10.2 ml. I am not sure how to get the molarity of the sodium thiosulfate secondary solution for each trial from this information.
what mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 160 min. using a constant current
the enzymes used in this experiment are only a partially purified pyruvate kinase preparation. this is because complete
Explain how many orbitals are there in a shell of principal quantum number n. Clue- begin with n = 1, 2, and 3 as well as see if you can recognize the pattern.
A solution of sodium hydroxide is prepared by mixing 2.00g of NaOH with 10.0 g of water. The percent, by mass of NaOH is what
A graduated cylinder contains 10.0ml of water. If the volume of a single water molecule is 2.99 x 10e-23 cm e3, how many molecules are in the graduated cylinder?
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