Chemistry, 19.09.2021 06:10 glocurlsprinces
Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.32 g and has a volume of 0.596 cm'. Gold has a density of 19.3 g/cm and copper has a density of 8.96 g/cm? Calculate the percentage by mass of each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains.
Answers: 3
Another question on Chemistry
Chemistry, 21.06.2019 20:30
The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?
Answers: 3
Chemistry, 22.06.2019 06:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 3
Chemistry, 22.06.2019 09:30
Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?
Answers: 3
You know the right answer?
Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.3...
Questions
Physics, 23.04.2020 20:16
Biology, 23.04.2020 20:16
Mathematics, 23.04.2020 20:16
Social Studies, 23.04.2020 20:16
Chemistry, 23.04.2020 20:16
Mathematics, 23.04.2020 20:16
Physics, 23.04.2020 20:16
English, 23.04.2020 20:16
History, 23.04.2020 20:16
Mathematics, 23.04.2020 20:16
Mathematics, 23.04.2020 20:16
Geography, 23.04.2020 20:16
Biology, 23.04.2020 20:16
