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Hi Dr. Bob, this is a chemistry question. I don't know how to go about solving this problem: What... in chemistry what is aq what is an ion? in chemistry 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 need help with this chemistry flame test lab discussion question. "List the metals used in this... i have to do a "chemistry of cooking" project for my chem class. for the project i need to convert p... CHEMISTRY (1) What is the equation for reaction when calcium oxide and coke are heated in electric... What is the chemistry behind caffeine extraction with Na2SO4, CH2CL2 and NaCO3. I know that Na2SO4 s... Hi, I have to take chemistry placement test for college this week. Does anyone here have advice for... need help on chemistry below Does Chemistry have anything to do with meteorology? what exactly is chemistry? I know nothing about chemistry, but am wondering if someone could help me with these. 1) Balance... Please look at my Chemistry problems again, I reposted them with the constants and such. I am still... 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 have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting... what are the other chemistry forms present in the dichloromethane solution besides the normal neutra... chemistry help chemistry My chemistry is bad. I know these are very easy but I cannot solve them . 1. a) Prepare 200 ml o... WHAT IS MEAN OF CHEMISTRY? In a chemistry lab, you have two vinegars. One is 20% acetic acid and one is 50% acetic acid. You... In chemistry we are doing a lab that involves crucibles and Mg ribbon, we have three days to complet... Hello. For my chemistry of solutions class, we had a titration lab where we titrated NaOH into an... I am in AP Chemistry and AP U.S Hisotry and I have planned on taking the tests. So far I have made a... In Chemistry: what is ph during the titration of 20.00ml of 0.1000m triethylamine (ch3ch2)3n (kb=5.2... Need help with Chemistry, thanks in advance! For the system: 2H2O(g) ↔ 2H2(g) + O2(g) ; at equilib... chemistry ---- 77=25 to the x power. Can anyone assist. I did a lab in chemistry about weighing table salt and sand and mixing it with water and pouring it... what is chemistry I have a lab for chemistry that I have to turn in soon, and I have no idea what the major and minor... What is the chemistry behind the “Breathalyzer” test. I'm supposed to explain the chemicals and stru... WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST? w w w . chemistry: what is be volume 0, oxygen at s. t. p Will be obtained when 24.6g of potassi... In chemistry, we did a lab in which we had a certain mass of copper, performed multiple experiments... For a chemistry lab, I have to calculate the heat of combustion of paraffin wax. So how would I do t... Need help with AP chemistry, specifically Acids and Bases The acid ionization constant, Ka, for... Hi! I am doing this chemistry lab of solubility curve of a solid investigation and this is for KCl.... I did this for chemistry. Are the examples and grammar correct? THANK YOU SO MUCH TO WHOEVER ACTUALL... Chemistry please help. A 20.0-L gas cylinder contains 4.80 g H2 at 25 degree celcius. what is the p... Need help in AP chemistry on Equilibrium When heated, hydrogen sulfide gas decomposes according t... Hi I am in AP Chemistry and I did not take regulars chem so I have never done labs before and was wo... Chemistry help!!!!!!!!!!!? Make a chart and define the following reactions using the following 3 ex... I'm looking for a chemistry and applied chemistry textbook that had been published between 2011-2014... Road map in chemistry ? Chemistry A is a solution of H2SO4 containing 2.5g in 500cm3 Is there a chemistry teacher for jiskha? Or someone that knows what my teacher is talking about? :’(... In my Organic chemistry lab, the calculated enantiomeric excess was over 100% . Is this possible? a... Chemistry question: Given: CH4 + 2O2 ~ CO2 + 2H2O C - H = 99 kcal O - O = 119 kcal... Chemistry What characteristics are shared by all alkali metals and alkaline earth metals? A They c... For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact co... In chemistry lab we did an experiment trying to find the empirical formula of an oxide and tin. The... Chemistry What will happen if hydrochloric acid is added to the following equilibrium system? H+(a... In studying the chemistry and qualitative analysis of anions, why wouldn't HCl be a good acid to use... A chemistry student was able to recover 98 grams of copper from a redox reaction experiment. How man... A chemistry professor has a cup of coffee containing 50.0mL of room temperature coffee at 25.0C. Th... Chemistry The hydronium ion concentration of lemon juice is 5 x 10^ –3. A sample of lemon juice... WHAT RELATION DOES CHEMISTRY HAVE TO ART? Chemistry What will happen if hydrochloric acid is added to the following equilibrium system? H+(a... A chemistry student used the symbol "sx" to represent an s orbital that lies along the x-axis. Is th... in response to Chemistry/pH- Weak Acid. but the rule of 5%? 0,0100/(1.00x10^-4) =100% The apro... A vial in a chemistry lab had a label "2.79 mol CaCl2". How many grams of CaCl2 are there in that vi... Chemistry Consider the following reaction: NH4+(aq) + H2O(l) → H3O+(aq) + NH3 (aq) Which is t... In chemistry what is the practical applicaiton of scientific principles to solve everyday problems? A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs... 1.Chemistry Question: A 0.1 M solution of acetic acid is titrated with 0.05M solution of NaOH. What... I'm taking ap chemistry also! I was just wondering about how much space they give you on an ap chemi... Can you take AP Chemistry without taking any previous chemistry class? Subject:Chemistry What is the difference between seawater and pure water in terms of osmotic pres... Chemistry calculations ss 2 We had a Chemistry lab for buffer system, we used HCl and NAOH. We did a graph ( PH vs ml of HCL and... A chemistry lab wants to prepare 300 liters of 25% acid solution. In stock he has 20% and 35% acid s... A chemistry teacher needs to prepare 750 ml of a 2.5M solution of Potassium iodide for a lab. How ma... chemistry Science.what can be deduced from the temperature change during the different reaction? I just took a chemistry midterm and our teacher let us keep the exam. I was wondering if you could l... how does chemistry apply to everday life? organic chemistry lab and why is water the first choice for recrystallization when all factors are... For chemistry I have to make a comic strip about gold. The comic strip has to included all the impor... So, I have a general chemistry test. My teacher said to know... "Copper and Chromium exceptions."... dr. bob 222 the chemistry KING, would you pls help 🥺 If you mix 8.1 g of HCl in enough water to m... I'm doing a Chemistry project on the element Potassium. I need some sort of color theme to apply to... Why is chemistry such an important part of the study of Anatomy and Physiology? I have a chemistry question Please advise how do I prepare 1L of 75% H2SO4 from concentrated H2SO4... You are working in a chemistry lab. You have 1000 milliliters of pure acid. A dilution of acid is cr... ap chemistry - an, Tuesday, January 6, 2015 at 12:59am HELP ME WITH THIS ONE WHEN DONE WITH THE OTH... What are moles in chemistry I was given a Chemistry question on the titration of a strong base being added to a weak acid. The q... Hey, for chemistry class we are given days in the lab to conduct an experiment, then answer a numbe... I have a question in chemistry about combining compounds. I didn't really understand from my teacher... the chemistry question: v=0.465L T=559.15K P=112.496 kPa Pv/t = Pv/t 112.kpa(0.465)/559.... here is a chemistry 10 quetion. Convert 35.2mL to hm to third power In chemistry we are writing a paper about an inventor.. We have to have some back ground info.. what... 1. Chemistry is the study of the composition, structure and properties of substances.- F? 21. Whi... In chemistry, n molecules of an ideal gas have pressure (P), volume (V), and temperature (T) that st... In an organic chemistry lab, why is the organic layer usually the upper layer in the separatory funn... I have a question in chemistry relating to identifying a compound that would precipitate the iron io... i have a Chemistry lab (level 2) final exam soon. our teacher told us that we would have % transm... For my Chemistry question it's about herbicide's What do they do? what are they intended for? wha... In chemistry, for a given substance what information links mass to moles? number of particles to mol... I did a chemistry lab on polarimetry where we separated two enantiomers into individual salts and th...