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Re: Homework Text: College Accounting, 19th Edition Page 227-229 Can you provide me with the t... According to the following chemical equation: N2 + 3H2 → 2NH3 How many grams of hydrogen are... help with the chem lab. the molecular of a volatile liquid. please help! Is RTP in chemistry (thermochemistry and electrochemistry) referring to room temper... I did a chem lab and have to figure out some stuff off of some data I found during the lab Weight... Hi! I need help with my Chem homework. "When acetylene, C2H2, burns, how many liters of O2 at ST... For a chem lab, i was given a table that results when pairs of chemical solutions are mixed.For each... Hi, I'm doing a chem lab of the Percent Composition of Potassium Chlorate-A Gas Law Experiment and w... so we did a chem lab and one of the questions is to tabulate the amount of S2O3 consumed in moles an... 29. Consider the following chemical equations and their enthalpy changes. CH4(g) + 2O2(g) → CO2(g)... Hi, This is one of my chem hw problems. Does anyone have links to websites that might help me solv... Although I do very well in chemistry I never really understood converting units. Perform each of th... Which one of the following chemicals does the body generate during regular exercise? AP Chem --- PbS + O2 = PbO + SO2 Balance the equation and write a short paragraph explaining the... which of these describes a chemical reaction? a. Atoms are created by elements b. Atoms combine to... Hi! I'm in chem class and I don't know the answer to these questions I have several metal allo... I have a chem project and I did the work but I’m not sure if I’m correct or not. 1. Our reactant... I have a question for chem 1LD webworks number 4. it asks to repeat the previous question steps and... my ap chem teacher has been absent for the past two weeks and part of the notes her sub gave us to... This Chem problem is really difficult -Need help please! Magnesium Consists of three naturally occ... AP Chem - Which element is oxidized in the following reaction: CuO(s) + H2 (g)  Cu(s) + H2O (l) Hey I have the AP Chem test coming up and i was wondering where I could find the answer key to some... I need help with my chem home work. Please show me the answers because this question is a very confu... So we have a question for chem. homework and i really don't understand. can you please explain it...... What professions would use chemical bonding? AP Chem ---- Which type of radiation is emitted when chromium 51 decays into manganese 51? Sho... Use the following balanced chemical equation to calculate the mass of carbon dioxide produced from t... When doing an ICE Chart in Chemistry, when do you know whether the C is a negative or positive?... Hello! I was working on my Chemistry HW about metric conversion. Can you please check to see if my a... So for Chem we have to answer a question asking why graphing is a more accurate method for measuring... I was doing a lab today in chemistry, and I do not know if I got my measurements correctly. My teach... Im in Chem. but looks like physics.. If a rock climber accidentally drops a 70.5 g piton from a heig... Which is least affected by chemical weathering?(1 point) Responses a statue made of marble a st... how can spectra be used in chemical analysis? I'm trying to balance this chemical equation but it's just not working. C7H14O2+O2 yields CO2 +... For chem we did a kinetics lab based on the rate of reaction of peroxydisulfate ion with iodide ion.... where u from r u chem proff... where do u teach .. i like the way u answers u r really gud... This is for organic chem lab. I don't understand how to calculate the relative Rf values by setting... What are the products of a chemical reaction involving NaCl, HNO3, and AgNO3? What are two examples of chemical changes that occur in the world around us? Why are they chemical... Which is least affected by chemical weathering? 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For my chem class I have 3 elements and have to find what they are used for today or an interesting... So my chem experiment asks us: What is the molarity of a 6.0 ppm solution (it's a 6.0 ppm chlorophyl... My chem book gives me the following Hess' Law example: Mg + 2HCl --> H2 MgCl2 Delta H1... is a chemical reaction and chemical change the same if not what is the difference? who are the father we call chemist? enumerate the different works of a chemist The starting products of a chemical reaction are 92.6g of Hg and 7.4g of oxygen (O) gas. A scientist... describe the rate at which chemical weathering generally takes place. thermochemistry chem conceptual. i just want to check my understanding of this Say you got thi... I just finished an organic chemistry lab experiment on separating and analyzing an unknown acid/neut... Is decomposition a natural chemical change? Is photosynthesis a natural chemical change? thanks!... If a substance undergoes a chemical change, could its volume change? Okay I've got a HUGE chem test tomorrow and I desperately need help! Please help!!!! 73. Hematite... Student in O-Chem Lab conducts a melting point experiment with an unknown compound and observes a me... So my chem professor had a slide with a question that follows: If you combine 100 ml of 0.10 M... My chem teacher gave us this problem Twelve-gauge copper wire,like the kind commonly used in reside... The combining form chem/o is used to form the word chemotherapy because therapy begins with a ______... These UV photons can break chemical bonds in your skin to cause sunburn—a form of radiation damage.... Suppose 100 moles of a chemical is spilled into a lake. After 15.0 days, the total amount of the... Explain cautions to using chemicals in general and specifically after reading the product direction... I was reviewing chem equations online. This one site said this is a balanced equation. I don't see... 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At a certain college, there are 7 men for every 5 women. If there are 440 more men than women, what... In a certain college , 4% of men students and 1% of women students are taller than 1.8m . Further mo... i go to college and it take 40 to 45 gallon every monthto go to college, some time cost of the gallo... at a certain college, there were 700 science majors,100 engineering majors and 500 business majors.... You are going to college this year, and you need to take out $6000 every 3 months. Your college fund... Hi i am in college and I want to be ESL teacher the only thing that hinders me from reaching my goal... 13 out of 25 college students work at part-time jobs. What percent work at part-time jobs? I am in college classes and english has never been my strongest class. So I was wondering if anyone... 1 Ann, a college freshman, has chosen engineering as her major because her father told her that a de...