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What ions and/or molecules are present in relatively large proportions in a solution of a soluble ionic compound K2S (aq)
K2SK+K2+K22+K2+S2-S-KK2S
A first order reaction A-> Product has a half-life of 19.8 min. What is the rate of the reaction when [A] = 0.632 M
Determine the shape (geometry) of PCl3 and then decide on the appropriate hybridization of phosphorus in this molecule
Adding magnesium ribbon (about .5g) in a solvent of 100mL of HCl acid in a polysterne cup as my calorimeter. my question is why and how would my calculated anthalpy of reaction be inaccurate if:
what is the degree of purification (fold purification). what is the percent yield of the enzyme recovered in the purified fraction
what is thenbsptotal energy of the photons detected in a period of one hournbspif a radiation detector is capturing 8 x
Suppose you have two solutions to titrate with NaOH: (a) 10mL of 0.1 M HCl and (b) 10 mL of 0.1 M CH3COOH.
List the liquids in table 2 whose densities and boiling points most closely match those of the unknown liquid. List these liquids densities, boiling points, & solubilities.
the most common source of copper cu is the mineral chalcopyrite cufes2. how many kilograms of chalcopyrite must be
Foruntantely, this toxin decomposes to a safe mixture of products by first-order kinetics with a rate of .27 days^-1. How long will it take for the water to be safe to drink
What is the density of a block of unknown material with a mass of 18.63-g if the dimensions are.
A balloon with an initial volume of 3.8 L at a temperature of 305 K is warmed to 385 K. What is its volume at the final temperature?
Calculate the OH- concentration of a solution that has a [H3O+] of 3.5 x 10-10M. Calculate the [H3O+] of a solution that has an [OH-] of 0.0000060M. Is the solution acidic, basic or neutral
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