Chemistry, 11.11.2019 06:31 kimloveswim

Gold is alloyed(mixed) with other metals to increase its hardness in making jewelry. (a) consider a piece of gold jewelry that weighs 9.85 g and has a volume of 0.675 cm3. the jewelry contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, repectively. if the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains. calculate the percentage of gold(by mass) in the jewelry. (b) the relative amount of gold in an alloy is commonly expressed in units of karats.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 05:50, mrylenastewart

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

Answers: 1

continue

Chemistry, 22.06.2019 06:40, Arealbot

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

Answers: 1

continue

Chemistry, 22.06.2019 15:30, dylannhandy

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Answers: 2

continue

Chemistry, 22.06.2019 20:00, ahnorthcutt4965

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line

Answers: 1

continue

You know the right answer?

Gold is alloyed(mixed) with other metals to increase its hardness in making jewelry. (a) consider a...