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A large amount of fizzing took place when HCl was added to solid NaHCO3. Is this overreaction consistent with the type of chemical change? Explain your answer.
What is the ground-state electron configuration of the fluoride ion F-? Express your answer in condensed form, in order of increasing orbital energy.
evaporating sweat cools the body because evaporation is endothermic and absorbs 2.44 per gram of water evaporated.
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change).
what is the pH solution if 100 mL of the solution is .15 M acetic acid CH3CO2H and contains 1.56g of sodium acetate, CH3CO2Na? Ka=1.8x10^-5
what is the volume of a block with the dimensions 95.6cm in length, 43.7cm wide, and 10.2cm in height?
Students were instructed to mix the benzaldehyde and acetone starting materials in their conical vials before adding the ethanolic sodium hydroxide solution. a. Why was this essential to the success of the reaction
The stilbene molecule has seven double bonds, yet in this reaction, only one of them undergoes addition with the Br2 generated in the reaction mixture. What functional group(s) is(are) the other six bonds in, and what can you say about the reactiv..
The PBS needs to be pH 7.40, with 25 mM phosphate and 140 mM NaCl. You are given a bottle of NaCl (FW = 58.45), a 1.00 M Na2HPO4 stock solution, and a 1.00 M NaH2PO4 stock solution. Describe how to prepare this buffer. (For H3PO4: pK1 = 2.12, pK2 ..
How many grams of lead may be formed by the passage of 65.5 amps for 1.07 hours through an electrolytic cell that contains an aqueous Pb(IV) salt.
consider the following reaction occurring at 298k no2 n2o --gt3noif a reaction mixture contains only n2o and no2 at
While 10.0 g of hydrogen gas reacts with 10.0 g of oxygen gas to form water, explain what is the theoretical yield of water
how much ice in grams would have to melt to lower the temperature of 353 ml of water from 26 degrees c to 6 degrees c?
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