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a TIre has a volume of 535 cm3 at a temprature of 20 C while in use the temprature of the tire rises to 65 C calculate the new volume of the tire assuming a constant pressure and amount of air?
20ml of 0.15M H3PO4 is required to neutralize 40ml of a KOH solution. The molarity of the KOH solution is?
How would you prepare 350mL of a single solution containing 150mM Tris, 5mM glucose, and 5 mM Nacl?
If 0.0598 moles of potassium hydroxide are added to 250 ml of this buffer, what is the pH of the resulting solution? (Assume that the volume change does not change upon adding potassium hydroxide)
A solution of sodium thiosulfate, Na2S2O3, is 0.4282 M. 13.82 mL of this solution reacts with 36.67 mL of I2 solution. What is the molarity of the I2 solution
when elemental sulfur is heated with a gas forms that contains only sulfur and fluorine. the following tests were
How much work must be done to bring ion A and ion B together into an activated complex. The charge of ion A is +2 and it's ionic radius is 2.85 A and if the charge on ion B is +1 and it's ionic radius is 1.35 A
how many moles of nitroglycerin were in the container originally? b) how many moles of gas(air) were in the container originally? c) how many moles of gas are in the container after the explosion?
The pH of a dimethylamine aqueous solution is 11.98. (CH3)2NH + H2O ? (CH3)2NH2+ + OH-, The dimethylamine solution is 0.146 M a) Calculate the Kb value for dimethylamine.
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration
Calculate teh energy absorbed in (kJ/mol) by a carbon dioxdie molecule that has absorbed a single photon of Thermal IR light having wavelength of 15 micrometers.
Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the \rm ^14C has decayed to 1/32.0 of the original amount. How long ago was this plant alive
What is the PH change of a 0.270M solution of Citric Acid (pKa = 4.77) if citrate is added to a concentration of 0.145M with no change in volume?
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