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In the Virtual ChemLab experiment "Electronic State Energy Levels," what gaseous element is used in fluorescent light tubes?
What volume of Maker's Mark was consumed if the individual was drinking Maker's Mark (130 proof),?
A 50.00-mL sample of groundwater is titrated with 0.0800 M EDTA. Assume that Ca2 accounts for all of the hardness in the groundwater. If 12.80 mL of EDTA is required to titrate the 50.00-mL sample, what is the hardness of the groundwater in molari..
Could someone please help me with this post lab question fororganic chemistry. Draw the structure of the triglyceride formed from oleic acid,linoleic acid, and stearic acid
You are given 2.56 g of salicylic acid. Using the procedure in the lab manual for the synthesis of aspirin, you recover 0.89 of aspirin. Calculate your percent yield of aspirin
Calculate the entropy change when 1.86 g of H2 reacts with O2 according to the reaction 2H2(g) + O2(g) ! 2H2O(l) at 298 K and 1 atm pressure.
1g soil has been spiked with 0.1ml of 100 ppm (v/v) trimethylbenzene and subsequently extracted with 250 mL pentane. The extract is then measured with GC-FID.
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
If the titrant has a molarity of 0.2750 M and there are 25.00 mL of analyte present, what is the molarity of the analyte?
Copper metal reacts with hot concentrated sulfuric acid solution to form aqueous copper (II) sulfate, sulfur dioxide gas, and water. Write the balanced chemical formula.
Calculate the molarity of each of the following solutions(a) 29.0 g of ethanol (C2H5OH) in 545 mL of solution.
sodium hydroxide to make sodium phosphate and water. How many L of the H3PO4 solution will react with 0.281 L of the NaOH solution? Give your answer to 3 decimal places.
Vinegar is made by adding 33 grams of acetic acid to 625 grams of water. What is the percent by mass of acetic acid in this solution vinegar?
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