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For the system: 2H2O(g) ↔ 2H2(g) + O2(g) ; at equilib... WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST? Chemistry help!!!!!!!!!!!? Make a chart and define the following reactions using the following 3 ex... Hi! I am doing this chemistry lab of solubility curve of a solid investigation and this is for KCl.... chemistry ---- 77=25 to the x power. Can anyone assist. w w w . chemistry: what is be volume 0, oxygen at s. t. p Will be obtained when 24.6g of potassi... Need help with AP chemistry, specifically Acids and Bases The acid ionization constant, Ka, for... Hi Dr. Bob, this is a chemistry question. I don't know how to go about solving this problem: What... For a chemistry lab, I have to calculate the heat of combustion of paraffin wax. So how would I do t... I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting... i need help on Chemistry and i am in 7th grade i don't know how to do some problems and i would like... I did this for chemistry. Are the examples and grammar correct? THANK YOU SO MUCH TO WHOEVER ACTUALL... Hello. For my chemistry of solutions class, we had a titration lab where we titrated NaOH into an... i have to do a "chemistry of cooking" project for my chem class. for the project i need to convert p... What is the chemistry behind caffeine extraction with Na2SO4, CH2CL2 and NaCO3. I know that Na2SO4 s... Please look at my Chemistry problems again, I reposted them with the constants and such. I am still... In chemistry we are doing a lab that involves crucibles and Mg ribbon, we have three days to complet... Chemistry please help. A 20.0-L gas cylinder contains 4.80 g H2 at 25 degree celcius. what is the p... In Chemistry: what is ph during the titration of 20.00ml of 0.1000m triethylamine (ch3ch2)3n (kb=5.2... chemistry help in chemistry what is aq what exactly is chemistry? Hi I am in AP Chemistry and I did not take regulars chem so I have never done labs before and was wo... I am in AP Chemistry and AP U.S Hisotry and I have planned on taking the tests. So far I have made a... what is an ion? in chemistry what is chemistry What is the chemistry behind the “Breathalyzer” test. I'm supposed to explain the chemicals and stru... CHEMISTRY (1) What is the equation for reaction when calcium oxide and coke are heated in electric... My chemistry is bad. I know these are very easy but I cannot solve them . 1. a) Prepare 200 ml o... I need chemistry help. I think 1. c, 2.b, & 3.a (please tell me why or why not and help me set up th... I know nothing about chemistry, but am wondering if someone could help me with these. 1) Balance... I'm looking for a chemistry and applied chemistry textbook that had been published between 2011-2014... In chemistry, n molecules of an ideal gas have pressure (P), volume (V), and temperature (T) that st... We had a Chemistry lab for buffer system, we used HCl and NAOH. We did a graph ( PH vs ml of HCL and... 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As level chemistry Which molecule are planar 1.NF3 2.Ccl4 3.C3H6 C3H8 For my Chemistry question it's about herbicide's What do they do? what are they intended for? wha... In chemistry PO4 is non polar, but in biology the phosphate functional group PO4 is polar? How so? A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs... This is a chemistry lab report, but I was wondering if someone could edit the grammar and look at th... A chemistry teacher needs to prepare 750 ml of a 2.5M solution of Potassium iodide for a lab. How ma... Chemistry What characteristics are shared by all alkali metals and alkaline earth metals? A They c... A chemistry lab wants to prepare 300 liters of 25% acid solution. In stock he has 20% and 35% acid s... A chemistry student used the symbol "sx" to represent an s orbital that lies along the x-axis. Is th... Subject:Chemistry What is the difference between seawater and pure water in terms of osmotic pres... chemistry Science.what can be deduced from the temperature change during the different reaction? Chemistry What volume of carbon (iv) oxide at s.t.p is evolved when o.5moles of NaHCO3 is h... In chemistry class, each of the 82 students needs 72 mL of base. How many one- liter bottles of base... Chemistry. AN UNKNOwn gas has a pressure of 2.0, a volume of 15.0 L and a temperature of 348 Kelvi... chemistry: is the formula to be used @ 25 degree c is E=Eo -(0.059/n(log a)) or Eo+(0.059/n)(log a) Chemistry A is a solution of H2SO4 containing 2.5g in 500cm3 Guys. I have another chemistry question that I am unsure with. I would appreciate it if you could he... so I have this chemistry problem which involves math and basically I need to convert 62 g/mol into m... 1. How could a chemistry student change NaOH(s) to NaOH(aq)? s= solid aq= aqueous 2.) 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In my chemistry lab we decomposed lead (iv) oxide by heating it and then placing a wooden splint(tes... Chemistry What will happen if hydrochloric acid is added to the following equilibrium system? H+(a... Chemistry What will happen if hydrochloric acid is added to the following equilibrium system? H+(a... WHAT RELATION DOES CHEMISTRY HAVE TO ART?