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Explain the mechanisms of thermal explosions and branched-chain explosions. The atomic bomb is a classical model of a branched-chain explosion. Explain the notions of sub-critical, critical, and super-critical masses of a fissionable isotope.
The freezing point of the solution decreases by 0.905 ° C compared to that of the pure solvent. What is the molar mass of the unknown solid. The freezing point depression constant for benzene is 5.46° C/m.
Calculate How many mL of the HCl solution was required for the titration.
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
50 ml of .001 molar naoh were titrated with .50 molar hcl, added with a dropper pipet. If each drop has a volume of .040 ml calculate how many drops of hcl are needed to reach the end point of titration.
RNA-based viruses such as poliovirus use RNA as their genetic storage material. An important anti-viral drug is ribavirin (see below). RNA polymerase can use ribavirin (the triphosphate version) as a substrate,
The solubility of slaked lime, Ca(OH)2, in water is 0.185 g/100 mL. What volume of 0.00300 M HCL is needed to neutralize 14.0 mL of saturated Ca(OH)2 solution
crystalline solids are well-ordered arrays of atoms or molecules. crystalline solids may be metallic solids molecular
we did the grignard reagent experiment and one of the post-lab questions iswhat kinds of solvents cannot be used? give
From the examples you state, select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes. Define a buffer and explain how a buffer works.
If an automobile is able to travel 247 mi on 10.8 gal of gasoline, what is the gas mileage in km/L.
The rate of the reaction doubles when the concentration of CH3Cl is doubled and it quadruples when the concentration of H2O is doubled. What is the unit for K?
When hydrogen sulfide gas is bubbled into a solution of sodium hydroxide, the reaction forms sodium sulfide and water. How many grams of sodium sulfide are formed if 2.00 g of hydrogen sulfide
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