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Document for the redox titration using sodium thiosulphate
How many milliliters of 0.200 M NaOH would be neutralized by the HCl produced after 60 minutes? After 90 minutes? After 120 minutes?
The compound AX2 decomposes according to the equation, 2 AX2(g) => 2 AX(g) + X2(g). In one experiment, [AX2] was measured at various times, and these data recorded
a bomb calorimeter whose components have a heat capacity of 6.66 kjdegc is filled with 913 g of water. the amount of
IF a gas vessel is attached to an open-end manometer filled with a nonvolatile liquid of density 0.993 g/ml. The difference in heights of the liquid in the two sides of the manometer is 32.2 cm when the atmospheric pressure is 765mmHg. Specified ..
A piece of silver with a mass of 418 g has a heat capacity of 99.1 J/Celcius. What is the specific heat of silver
Calculate the pH when 59.0 mL of 0.229 M hydrochloric acid is mixed with 59.0 mL of 0.229 M sodium hydroxide solution at 25 °C. Calculate the pH when 59.0 mL of 0.229 M of a certain monoprotic weak acid
State the major organic product from the reaction of 3-hexyne with the following: (a) Hydrogen (1 mole)/Lindlar catalyst; (b) Hydrogen (2 moles)/Pt; (c) Lithium in liquid ammonia; (d) Chlorine (1 mole); (e) 1 mole chlorine; (f) aqueous sulfuric ac..
devise a general method for determining the fractional abundances of two or more isotopes from a mass spectrum. your method must include some means of measuring the signals
Freon 11 was a favored refrigerant until it was determined to be detrimental to the atmospheric ozone layer. The heat of vaporization of CCl3F liquid is 25.2 kJ/mol and its normal boiling point is 24.0 C. Approximate the entropy of vaporization ..
Assuming that all of the sulfate and nitrate originated as acids. calculate the expected pH of this rain water.
Hydrogen atoms are excited by a laser to the n=4 state and then allowed to emit. What is the maximum number of distinct emission spectral lines that can be observed from this system? Calculate the wavelength of the 4 to 1 transition in m.
Chloral hydrate (C2H3Cl3O2) is a drug formerly used as a sedative and hypnotic. It is the compound used to make "Mickey Finns" in detective stories.
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