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What are different types of separating techniques for separating salt and water?
capacity change if you add 0.2 M of benzoic acid to the buffer made of 0.3 M of acetic acid and 0.5 M of sodium acetate
kmno4 h2so4 naso3 --gt?sodium sulfite and acidified potassium permanganate produces a brown partly dissolved solid
determine how many grams are there in 4.510 22 molecules of barium nitrate?using a sample of gas of 23.6 grams that
three mole of aluminum metal react with a mole of solid iron(iii) oxide to produce two moles iron metal and a mole of solid aluminum oxide
For a Tellurium-132 sample, 6566 counts were observed between 5.0 and 8.0 hours after the preparation of the source, how many atoms were present when the source was prepared
one mole of B at 2 bar are separated by a partition and surrounded by a heat reservoir. when the partition is withdrawn, how much does the entropy change?
Use Table 6.3 or Appendix B to write balanced formation equations at standard conditions for each of the following compounds. (Type your answer using the format O3 for O3. Write all coefficients, even if they are fractions or 1.)
Explain why concentrated H2SO4, not concentrated HCl, is used in the nitration of methyl benzoate
Consider a gas in a 1.0 L bulb at stp that is connected via a valve to another bulb that is initially evacuated. Answer the following concerning what occurs when the valve between the two bulbs is opened.
Subtilisin (Mr 27600) is a bacterial protease that can catalyze hydrolysis of certain amino acid esters and amides. Subtilisin does have a problem, in that it becomes inactivated by oxidation of a methionine Met-222. Subtilisin mutant with Cys rep..
How much heat in kilojoules is evolved or absorbed in the reaction of 244.0g of calcium oxide with enough carbon to produce calcium carbide?
A calorimeter was used with 25 ml of 1M HCl and 50 ml of 1 M NaOH. Tmax =26.5c and Tinitial =20.0c. Determine the percent error.
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