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A sample of unknown material containing C,H,& O is analyzed to determine the molecular weight. A 1.25g sample is burnt and produces 1.72g of CO2. A second sample weighing 0.78g is also burnt and 0.878g of water is collected. In addition, the molecular weight is about 120 g/mole. what is the molecular formula
Acetylene,C2H2 , can be converted to ethane,C2H6 , by a process known as hydrogenation. The reaction is C2H2 + 2H2 --> C2H6 Given the following data, what is the value of K(p) for this reaction?
Predict the outcome of the following reactions represented by the following equations by using the activity series, and balance the equations.
What is the ratio [ClO-]/[HOCl] at pH 8.5? (c) Considering the relative effectiveness of HOCl and ClO- as disinfectants, what would be a better pH to maintain for a swimming pool that is disinfected using chlorine
The decomposition of NO2 by the following reaction at some temperature proceeds at a rate 5.40 x 10-5 mol NO2/L.s when [NO2] = 0.01144 mol/L.
a student prepared a stock solution by dissolving 10.0g of koh in water to make 150. ml of solution. she then took 15.0
A mixture is expected to contain 9.2 x 10-4 M SO42- and 1.6 x 10-3 M C2O42-. If the Ksp values for BaSO4 and BaC2O4 are 1.1 x 10-10 and 1.0 x 10-6, respectively, determine if Ba2+ can be added to precipitate 99% of the SO4 2- from the solution wit..
The only thing that is supplied to you is 1M Tris (pH 6.8) and 1M NaCl. You have full access to all the deionized H2O you may need. Plus 3 M HCl, 40 g/mol of NaOH pellets, and a pH meter.
a 20 ml solution of ti2 40 mm can be oxidized by reacting with iron ions from fecl3. a titration is performed with a
What is the theoretical mass of xenon tetrafluoride that should form when 130 g of xenon is reacted with 100 g of F2? What is the percent yield if only 145 g of XeF4 is actually isolated?
methyl benzoate is an ester which is synthesised from benzoic acid methanol and sulfuric acid. methyl benzoate has a
he most probable mechanism of reactivity for solvolysis of benzyl chloride is a) Sn1 b) Sn2 c) E1 d) E2. The most probable mechansim of reactvity for solvolysis of 2-chloro-norborane
56.0 mL of 3.50 M sodium hydroxide is combined with 36.0 mL of 1.50 M magnesium chloride. What mass in grams of solid forms
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