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In 0.04 M NaOH at 20*C, the decomposition of H2O2 and O2 is first order. If the half-life is 654 minutes, what would be the concentration after 100.00 minutes of a solution initially at 0.200 M?
Please explain as my teacher just did a problem and didn't even try to explain it and we will be having it on our mid term on Friday
hydrogen and oxygen react under a specific set of conditions to produce water according to the following equation.2 h2g
What differences are noticed when a acid or base is added to distilled water as compared to the buffer solutions
why would paraformaledhyde be used in an acetal formation reaction than formaldehyde(Bp=-6*C) which is commercially available as a 37% aqueous solution?
A graduated cylinder contains 10.0ml of water. If the volume of a single water molecule is 2.99 x 10e-23 cm e3, how many molecules are in the graduated cylinder?
How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.
Calculate the lattice energy of RbCl using the following data: Rb(s) => Rb(g) ?H = +86 kJ/mol Rb(g) => Rb+(g) + e- ?H = +409 kJ/mol Cl2(g) => 2Cl(g) ?H = +242 kJ/mol Cl(g) + e- => Cl-(g) ?H = -355 kJ/mol Rb(s) + 1/2 Cl2(g) => RbCl(s) ?H = -435 kJ/..
As early as 1938, the use of NaOH was suggested as a means of removing CO2 from the cabin of a spacecraft according to the following (unbalanced) reaction: NaOH + CO2 → Na2CO3 + H2O.
Balance the following reaction and predict the number of moles of SO2 required to completely react with 3.0 moles of 0.2 SO2+O2---->SO3
Solid silver nitrate is added to a solution that is 0.0010 M each in NaCl, NaBr, and NaI. For AgI, ksp= 1.5x10^-16, for AgBr, ksp= 3.3x10^-13, and for AgCl, ksp= 1.8x10^-10
Qualitatively, describe how an acid-base indicator works. Why do we want to use a minimum amount of indicator in a titration? Select all that apply.
Rank the following compounds in order of reactivity toward nitration with HNO3
What is the flow rate of pure molasses from the crystallizer, m4. What is the fraction of the feed that bypasses the crystallizer
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