What is the composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu? What is the composition, in weight percent, of an alloy that consists of 6 at% Pb and 94 at% Sn? Calculate the composition, in weight percent, of an alloy that contains 218.0 kg titanium, 14.6 kg aluminum, and 9.7 kg vanadium. What is the composition, in atom percent, of an alloy that contains 98 g tin and 65 g lead? What is the composition, in atom percent, of an alloy that contains 99.7 lbm copper, 102 Ibm zinc, and 2.1 lbm lead?

What is the composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu? What is the composition, in weight percent, of an alloy that consists of 6 at% Pb and 94 at% Sn? Calculate the composition, in weight percent, of an alloy that contains 218.0 kg titanium, 14.6 kg aluminum, and 9.7 kg vanadium. What is the composition, in atom percent, of an alloy that contains 98 g tin and 65 g lead? What is the composition, in atom percent, of an alloy that contains 99.7 lbm copper, 102 Ibm zinc, and 2.1 lbm lead?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Ores with as little as 0.25% by mass of copper are used assources of the metal. (a) How many kilograms of such an ore would be needed for another Statue of Liberty, which contains 2.0X10⁵ lb of copper? (b) If the mineral in the ore is chalcopy-rite (FeCuS₂), what is the mass % of chalcopyrite in the ore?
(g) Differentiate between hypereutectoid and hypoeutectoid alloys
<p>Why is Ni not considered a common metal even though it composes over 2% of the total mass of Earth and only Fe and Mg have a higher percent composition of Earth’s total mass?
Describe the role of the following :(i) SiO2 in the extraction of copper from copper matte(ii) NaCN in froth floatation process
We have talked about in lecture about metamorphic grade, and about the difference between progradeand retrograde mineral reactions. One such possible mineral reaction is as follows:orthoclase + sillimanite + H2O = muscovite + quartz 3a: Write a balanced chemical reaction for the above minerals, given that the formula for muscovite isK2Al6Si6O20(OH)4 3b: Indicate which reaction direction (left to right, right to left) is the prograde direction, and explainwhy you think that.
Fe2O3 is produced from a pyrite concentrate containing 65% by weight of pyrite (FeS2) by total oxidizing roasting according to the following reaction. 5 tons of pyrite concentrate is roasted daily (MA, g / mol; Fe: 56; S: 32; 0: 16; H: 1). 2FeS2 + 11 / 2O2 → Fe2O3 + 4SO2 How much Fe2O3 is produced in 1 day?
To make Au stronger and harder, it is often alloyed with other metals, such as Cu and Ag. Consider two alloys, one of Au and Cu and one of Au and Ag, each with the same mole fraction of Au. If the Au/Cu alloy is harder than the Au/Ag alloy, what could be the best explanation based on the information in the table? Element Metallic Melting Common Radius Point Oxidation (pm) (°C) State 1+, 3+ 1+, 2+ Au 144 1064 Cu Ag 128 1085 144 961 1+ sonslev li 921
The mass percentage of Fe2O3 in hematite ore, knowing that by treating 0.7 g of the ore in a certain way 0.58 g of FeO is precipitated (Fe=55.8, 0=16) 70% a. b. 92% c. 85% d. 40%
(i) Indicate the principle behind the method used for the refining of zinc.(ii) What is the role of silica in the extraction of copper?(iii) Which form of the iron is the purest form of commercial iron?
Define: (a) ore; (b) mineral; (c) gangue; (d) brine.
1. Match the Process name with the Process description. process description process name Bayer process Frasch process Downs process Ostwald process Chloralkali process Charles Hall Answer A. Electrolyzing brine to produce NaOH and chlorine gas. B. Molten salts are electrolytically exposed to sodium vapor to pure alkali metals. C. Making nitric acid. D. Extracting sulfur using high pressure steam and compressed air. E. Mixed Na3AlF6, with alumina, Al203 to lower the melting point. F. Bauxite ore is processed into alumina, Al203.
In a metallurgical process the mineral pyrite, FeS2, is roasted in air: FeS 2 +O 2 Fe 2 O 3 +SO 2 The SO 2 is then converted into H 2 SO 4 in the following reactions: 2SO 2 +O 2 2SO 3; SO 3 +H 2 SO 4 H 2 S 2 O 7; H 2 S 2 O 7 +H 2 O 2H 2 SO 4 Assuming the mineral is 24.0\%FeS 2 and the remainder is inert, what mass of H 2 SO 4 is produced if 155 g of the mineral is used?