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Do to friction with the Earth's atmosphere a large static electric charge could build up on our plummeting asteroid fragment. Would you expect our fragment to generate a magnetic field? Explain why or why not.
I need help writing the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrocholoric acid.
Calculate the standard heat of reaction, or for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero.
Classify the following conditions based on whether they are before the equivalence point, at the equivalence point, or after the equivalence point/endpoint.
Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.050 M HCN with 0.075 M NaOH. Ka = 4.0*10^-10 for HCN (a) What is the pH before any NaOH is added? pH = 5.36 (b) What volume of base, in milliliters, is requir..
230 ml of an hcl solution with ph of 3.60 is added to 200 ml of an hno3 solution. the resulting ph is 1.40. what was
calculate the mass of calcium carbonate formed when 25 ml of a solution of calcium chloride at 0.10 m react with sodium
What was EG's parents' diagnosis? Be sure completely explain your diagnosis including any causes you can identify. Use your favorite word processing software to write an essay that answers and explains the situation
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
Determine the pH of the solution containing 8*10^(-3) M each of HF and NaF. Assume that NaF dissociates completely. Acid Dissociation constant for HF is Ka=6.3*10^(-4).
The first mechanism includes sodium acetate to yield beta-penta-acetate and the first mechanism includes zinc chloride (Lewis acid) to form an oxonium ion to yield the alpha-penta-acetate product. Any help to draw out the mechs would be much appre..
organic carbon and that sorption can be described by the following linear model: Ksd=focKow. Estimate the mass of TCE sorbed to the solid material.
Using the accepted ionic radius of the ammonium ion, NH4+, NH4Br is predicted to have a rock-salt structure with (6,6)-coordination. However, at room temperature NH4Br has a cesium-chloride structure. Explain this observation.
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