Suppose you measured the mass and volume of a piece of material you think is gold....
Suppose you measured the mass and volume of a piece of material you think is gold. You calculate the density to be 18.6 ± 4 g/cm3. The accepted density of gold is 19.3 g/cm3. Calculate the percent error in your measurement. (You are allowed to keep 2 digits in the answer).
Homework Answers
Add Answer to:
Suppose you measured the mass and volume of a piece of material
you think is gold....
The density of gold is 19.3 g/cm3. What volume (cm3) would be occupied by a piece...
The density of gold is 19.3 g/cm3. What volume (cm3) would be occupied by a piece of gold with a mass of 103.5 g?
Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of...
Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.35 g and has a volume of 0.581 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. gold: % : copper: % : Pure...
Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of...
Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.80 g and has a volume of 0.594 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. gold: % copper: % Pure gold...
a piece of gold has a volume of 37.0 mL. what should the mass be if...
a piece of gold has a volume of 37.0 mL. what should the mass be if it is pure gold? gold has a density of 19.3 g/cm^3
Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of...
Red gold is a gold‑copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 9.53 g and has a volume of 0.694 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. Pure gold is defined as having 24...
What is the mass (in grams) of a femur (leg bone) having a volume of 118...
What is the mass (in grams) of a femur (leg bone) having a volume of 118 cc? The density of bone is 1.8 g/cc. Iron has a density of 7.8 g/cc. What is the mass, in grams, of a 4.4 cm3 piece? What is the volume (in cc) of a sample of mercury that has a mass of 20.5 g. The density of mercury is 13.6 g/cc. Aspirin has a density of 1.40 g/cc. What is the volume in cubic...
Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of...
Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.40 g and has a volume of 0.604 cm?. Gold has a density of 19.3 g/cm² and copper has a density of 8.96 g/cm². 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. gold: copper: Pure gold is defined as...
a) a sphere of gold with a radius of 12.1 cm. (The volume of a sphere...
a) a sphere of gold with a radius of 12.1 cm. (The volume of a sphere with a radius r is V = (4/3) π r3; the density of gold is 19.3 g/cm3.) -answer in scientific notation (b) a cube of platinum of edge length 0.024 mm (density = 21.4 g/cm3).- answer in scientific notation (c) 66.9 mL of ethanol (density = 0.798 g/mL).- answer in scientific notation
Aluminum has a density of 2.70 g/mL2.70 g/mL. Calculate the mass (in grams) of a piece...
Aluminum has a density of 2.70 g/mL2.70 g/mL. Calculate the mass (in grams) of a piece of aluminum having a volume of 267 mLmL . Express your answer to three significant figures. Iron has a density of 7.86 g/cm37.86 g/cm3 (1 cm3=1 mL1 cm3=1 mL). Calculate the volume (in dLdL) of a piece of iron having a mass of 4.94 kgkg . Note that the density is provided in different units of volume and mass than the desired units of...
A solid piece of lead has a mass of 31.02 g and a volume of 2.78...
A solid piece of lead has a mass of 31.02 g and a volume of 2.78 cm3. From these data, calculate the density of lead in SI units (kilograms per cubic meter).
Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.40 g and has a volume of 0.604 cm?. Gold has a density of 19.3 g/cm² and copper has a density of 8.96 g/cm². 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. gold: copper: Pure gold is defined as...
Most questions answered within 3 hours.
-
(Expected rate of return and risk) Carter Inc. is evaluating a
security. Calculate the investment’s expected...
asked 27 minutes ago -
What specific indicators can point to lack of progress for
African Americans in American society?
asked 1 hour ago -
1-The Electrons in a beam are moving at 2.7×108 m/s in an
electric field of 15000...
asked 1 hour ago -
A gas tank is a vertical cylinder. It has a radius of 1m, a
height of...
asked 2 hours ago -
Accent Software faces the following conditions. All of these
support Accent’s use of a market-penetration pricing...
asked 3 hours ago -
A mathematically inclined friend emails you the following
instructions: "Meet me in the cafeteria the first...
asked 3 hours ago -
A monopoly sells in two countries . The demand curves in the two
countries are p1...
asked 4 hours ago -
A .15kg rubber ball is bounced off a wall. Before hitting the
wall, the ball moves...
asked 4 hours ago -
A manufacturing company preparing to build a new plant is
considering three potential locations for it....
asked 4 hours ago -
B. If compound Y has approximately the same values of solubility
in toluene as compound X,...
asked 5 hours ago -
Oscar Inc. has inventory in Japan valued at 39,051,000 Yen one
year ago. One year ago...
asked 5 hours ago -
If Canada suffered from "fundamental disequilibrium," and its
government choose not to devalue its currency, a...
asked 5 hours ago