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10.0 g of a metal primarily at 25 degrees C are placed into 10.0 g of H2O initially at 100 degrees C. Explain which metal will have the highest final temperature? Shown after each metal is it's specific heat in J/(g times degrees C
A) Copper (0.385
B) Iron (0.450)
C) Gold (0.129)
D) Aluminum (0.902)
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 53.5 g are combined with 110 g of water at 77^\circ C in an insulated container.
Calculate the required flow rate of air in mol/hr and the percent by mass of oxygen in the product gas. Air may be taken to consist of 21 mole% O2, and 79% N2 and to have an average molecular weight of 29.0.
If 0.20g of gas occupies 400 mL at 30 degrees celsius and 700 mm Hg of pressure, what is the molar mass of the gas?
what is the composition in atom percent of an alloy that consists of a 91.5 wt ag and b 8.5 wt cu? assume that the
If each tablet contains 6.50 mg of the drug, what is the minimum volume of liquid ( in mL) that must be used to dissolve the drug from one tablet
when heated hydrogen sulfide gas decomposes according to the equation above. a 3.40 g sample of h2sg is introduced into
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
Which of the following pairs of substances are miscible and which are not?
A flask contains 0.310 of liquid bromine, . Determine the number of bromine molecules present in the flask.
Describe the mixture before it is centrifuged. Be specific using scientific words that aplly such as homogeneous or heterogeneous
The Born-Haber cycle is a series of steps that represent the formation of an ionic compound from a metal and a nonmetal. For example, the steps in a Born-Haber cycle for the formation of NaCl(s) consist of sublimation of the metal Na atom
A chemist wishes to determine the concentration of CrO42- electrochemically. A cell is constructed consisting of a saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The ° value for the following half reaction is +0.446 V rel..
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