Explain the mass fraction of gold multiplied

Assignment Help Chemistry
Reference no: EM13548758

The purity of gold alloys is expressed in karats, which is the mass fraction of gold multiplied by 24. Pure gold is 24 kt, whereas 10 kt gold jewelry typically contains 41.666667% gold, 29.166667% silver and 29.166667% copper (by mass). Estimate the density of this 10 kt gold alloy.

Reference no: EM13548758

Questions Cloud

Bird by bird review : Bird by Bird Review
Explain how many atoms are contained in a block of aluminum : How many atoms are contained in a block of aluminum metal measuring 6 mm x 8 mm x 18 mm. The density of aluminum is 2.7 g/cm3.
What force would be required to keep the ball : A ping-pong ball has an average density of 0.0840 g/cm3 and a diameter of 3.80 cm. What force would be required to keep the ball completely submerged under water
A vertical spring with a spring constant : A vertical spring with a spring constant of470N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest.
Explain the mass fraction of gold multiplied : The purity of gold alloys is expressed in karats, which is the mass fraction of gold multiplied by 24. Pure gold is 24 kt, whereas 10 kt gold jewelry typically contains 41.666667% gold, 29.166667% silver and 29.166667% copper (by mass).
Ice cube can slide without friction up and down : A 52g ice cube can slide without friction up and down a 26 degree slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10cm . The spring constant is 23N/m. When the ice cube is released, what distance wil..
Determine what is the speed of the bird : A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1380 Hz. What is the speed of the bird
Evaluate the total angular momentum of the system : A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.891 rad/s. Calculate the total angular momentum of the system
Define the greek mathematician archimedes is credited : The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water. How much water should be displaced by a pure gold object having a mass of..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what will be the concentration of in the battery

Suppose that a fully charged lead-acid battery contains 1.50 of 5.00 . What will be the concentration of in the battery after 2.50 of current is drawn from the battery for 8.50

  Calculate the root mean square speed and its average

calculate the root mean square speed and its average kinetic energy per molecule of nitrogen and water vapor.a

  Describe the difference between exposure to radioactivity

Explain the difference between exposure to radioactivity from a source external to the body versus a source that has been consumed and is therefore inside the body.

  What is the freezing point of an aqueous 265 m calcium

what is the freezing point of an aqueous 2.65 m calcium chloride cacl2 solution? the freezing point of pure water is

  What mass of ethylene glycol hoch2ch2oh must be dissolved

what mass of ethylene glycol hoch2ch2oh must be dissolved in 4.510 kg of water to result in a freezing point of

  What conclusions can you draw from given data

The dipole moment and the normal boiling point of acetaldehyde (CH3CHO) are 2.7 D and 293 K, respectively. The dipole moment and the normal boiling point of n-octane (C8H18) are 0 D and 298 K.

  Explain equilibrium will favor the s-tans conformation

Write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene and which equilibrium will favor the s-tans conformation more strongly

  Explain capable of reducing the most acid and why

Antacid #1 has 1700 mg of sodium bicarbonate, antacid #2 has 500 mg of calcium carbonate. Which tablet is capable of reducing the most acid and why

  Explain pressure of dry butane gas

Explain Pressure of dry butane gas, Chemistry lab write up and I have to determine the pressure of the dry butane gas.

  Combine the two equations for the formation of liquid water

Combine the above two equations with that for the formation of liquid water and use addition and/or subtraction(i.e. Hess's Law) to arrive at the equation for the formation of magnesium oxide.

  What is the solubility of baf2

What is the solubility of BaF2 (Ksp = 1.8x10-7) in pure water in grams per liter? The molecular weight of BaF2 is 175.

  Evaluate the ph of a buffer solution that contains benzoic

Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15 M sodium benzoate (C6H5COONa). [Ka = 6.5 ? 10-5 for benzoic acid]

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd