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Estimate the root mean square speed of air molecules striking the skin of a CHM315 student sitting in the class room at 8:15 am, assume that the room is at 27 degrees celcius. Estimate the number of collisions per second that hits the students skin.
What is the theoretical yield for this reaction under the given conditions? What is the percent yield for this reaction under the given conditions?
Acetyl chloride reactions, What major organic products would you expect to be formed when acetyl chloride reacts with the following reagents?
Calculate titanium's specific heat (J/g*degrees Celsius) and molar heat capacity (J/mol*degrees Celsius) if 89.7 J of heat raise the temperature of a 33.0 g titanium block by 5.20 degrees Celsius?
The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.
Classify the solid state of the following substances as ionic crystals, covalent crystals, molecular crystals or metallic crystals: (a) CO2 (b) B12 (c) S8 (d) KBr (e) Mg (f) SiO2 (g) LiCl (h) Cr
Which of these is a coefficient in this chemical reaction? P4s(s)+5o2(G) p4o10(S)
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 466 K, Kc = 0.080 for the following equilibrium: NH2COONH4(s) 2 NH3(g) + CO2(g). If 10.2 g of ammonium carbamate is introduced into a 0.500 L containe..
You need to produce a buffer solution that has a pH of 5.02. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? ..
Calculate the average net charge on phenylalanine if it is in a solution that has a pH of 8.40 (If the charge is positive, you do not need to enter a \+ \" sign.)
Predict that it was dissolved in HCl then mixed into the diethyl ether because diethyl ether is a base and since the benzoate contains an amine group they would remain unreactive with one another.
Why is sodium bicarbonate used with acids and used in cooking
Styrene, a compound substance used to make Styrofoam® cups and insulation, contains 92.3 and 7.7 by mass and has a molar mass of 104 . What's the empirical formula?
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