Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 7.37 g and has a volume of 0.458 cm3 . Gold has a density of 19.3 g/cm3 and copper has a density of 8.96 g/cm3 . 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. what is the Gold %, Copper %
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 21:30
Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.
Answers: 1
Chemistry, 22.06.2019 06:00
What type of electromagnetic radiation has a shorter wavelength than blue light
Answers: 2
Chemistry, 22.06.2019 15:20
Identify arrows pointing to bonding electrons. done h-0-0-h ) intro
Answers: 3
Chemistry, 22.06.2019 17:30
What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
Answers: 1
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 7.3...
Questions
Mathematics, 10.03.2021 18:40
Mathematics, 10.03.2021 18:40
Mathematics, 10.03.2021 18:40
Mathematics, 10.03.2021 18:40
English, 10.03.2021 18:40
Chemistry, 10.03.2021 18:40
English, 10.03.2021 18:40
Mathematics, 10.03.2021 18:40
Spanish, 10.03.2021 18:40
Biology, 10.03.2021 18:40
