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If the entropy of a collection of a molecules in 50,000 boxes is 3.73 x 10^-20 J/K, how many molecules are there?
How to calculate the pH of 0.375 L of a 0.18 M acetic acid-0.29 M sodium acetate buffer before and after the addition of (a) 0.0060 mol of KOH and (b) 0.0060 mol of HBr.
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 20.0g of luminol into a total volume of 75.0 mL of H 2 O .
When Mg-EDTA is added to a sample to compensate for a lack of Mg^+2, why is no blank correction necessary
Please provide a complete mechanism (using arrows and lone pairs) for the synthesis of 2-ethyl-2,4,5-trimethyl-1,3-dioxolane using 2-butanone and 2,3-butanediol in an acidic environment (H2SO4).
Grignard reagents can act as both a nucleophile and a base. Consequently, what would you expect to happen if that during the preparation of the phenylmagnesium bromide Grignard reagent
Calculate the pH at the equivalence point for the titration of 0.200 M methylamine (CH3NH2) with 0.200 M HCl.
Ammonia, NH3, can be synthesized by the following reaction: 2 NO (g) + 5 H2(g) -> 2 NH3(g) + 2 H2O(g) Starting with 86.3 g NO and 25.6 g H2, find the theoretical yield of ammonia in grams
How many moles of CO(NH2)2 are present in 105 g of water, if the freezing point of the solution is -4.02C? kf(water) = 1.86 K · kg/mol.
What is the enthalpy change (in kJ) for burning 73.0 g of methyl alcohol? 2)A reaction that is used to propel rockets is N2O4(l) + 2N2H4(l) --> 3N2(g) + 4H2O(g)
Draw and exlpain using representation of molecular orbitals the structure and bonding found in ethane; indicate clearly the structure
Adenine is a purine base that is a component of several important molecules, including adenosine triphosphate (ATP), flavin adenine dinucleotide (FAD), DNA, and RNA. Draw adenine.
What is the minimum volume of 6.0 M HCl(aq) needed to completely dissolve 3.20 g of aluminum in this reaction?
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