Estimate the density of an alloy made from 4.1 kg of silver and 1.7 kg of gold. The density of silver is 10,490 kg/m³ and the density of gold is 19,300 kg/m³.

Q: A roll of kitchen aluminum foil is 30 cm wide by 22 m long (if you unroll it). If the foil is 0.15…

A: (a) 2.67 kg

Q: radius of lead and aluminum spheres

A:

Q: What is the volume of a piece of platinum (? = 22.6 g/cm3) that has a mass of 0.25 kg?

A:

Q: A ring at a pawn shop is labeled “gold”. The ring has a mass of 4.4 g and a volume of 0.55 cm³. Is…

A: Given : Mass of ring = 4.4 g Volume of ring = 0.55 cm3 Density of pure Gold = 19.3 g/ cm³

Q: Copper has a density of 8.96 g/cm3.  How many kg of copper occupy 5.00 m3?

A: Given that, Density of copper, ρ = 8.96 g/cm3 => ρ = 8.96*[(1*10-3)/(1*10-2)3] => ρ =…

Q: You have a cube of unknown metal alloy that measures 2 cm on a side. If the cube has a mass of 63.8…

A: The mass of a cube is, m=63.8 grams The side of a cube is, a=2 cm The volume of a cube is, V=a3=2…

Q: An artist creates a sculpture made from 9.40 kg of iron . She wishes to create an identical…

A: Given, Mass of the iron sculpture , miron=9.40 kg  density of the iron, ρiron=7.86×103 kgm3 Density…

Q: An iceberg has a volume of 7645 cubic feet. What is the mass of the ice ( in kg) composing the…

A:

Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.201 m. The…

A: Given:- Edge of cube = 0.201 density of cube = 6110 kg/m3

Q: An iron casting containing a number of cavities weighs 6200 N in air and 3970 N in water. What is…

A: The total volume of the cavities in the casting is 0.147 m3.

Q: The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if…

A: Given, density of neptunium , ρ = 19.6g/mL =19600 kg/m3 Mass , m = 70 kg We know that , density =…

Q: Gold has a density of 19.32 g/cm3. If a square pyramid has a base length of 5 cm, a height of 6 cm,…

A: Given: Base length of pyramid l=5 cm, Height h=6 cm, Mass m=942 g, Density ρ=19.32 g/cm3. Required:…

Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.203 m. The…

A: Given data :             Side length of cube, L = 0.203 m             Density of the material , ρ =…

Q: The mass of a liter of milk is 1.032 kg.  The butterfat that it contains has a density of 865 kg/m3…

A: Since the butter fat constitutes 4.0% by volume, the volume of fat is 4.0% of 1m3 which is 0.04m3.…

Q: the density of silver is 10.49 g/cm3. what is the mass in grams of a 30 cm3 piece of silver?

A: The mass of silver is ρ=MV rearrange the above expression for mass M. M=ρV=10.49 g/cm330 cm2=314.7 g…

Q: If the length of a wire is 6.15 m, the diameter is 0.29 m, and the volumetric density is 0.042…

A: Given data,     Length of wire, L = 6.15 m     Diameter, D = 0.29 m     Volumetric density, ρ =0.042…

Q: Question 11 Fill in the mass and volume of each nugget from the data tables above. Then calculate…

A: Question 11So we have given a blank table in which volume in mL, mass in gram and density in g/mL…

Q: A sample of a particular substance has a mass of 1100 g and a density = 4100 kg/m³. What is the…

A: mass=volume*density in first sample mass=1100g=1.1kg density=4100kg/m3 putting values:…

Q: Gold is sold by the troy ounce (31.103 g). What is the volume of 1 troy ounce of pure gold?

A: The density is given by,

Q: Silicon has a density of 2328 kg/m³. If you have a sphere of pure silicon with a radius of 15…

A: Density = mass /volume  Weight of an object = mg  m = mass of object

Q: A large balloon used to sample the upper atmosphere is filled with 490 m3 of hydrogen. What is the…

A: Given, Volume of hydrogen  V = 490 m3  density of hydrogen ρ= 42 Kg/m3   We know that mass is m=V×ρ

Q: An iron casting containing a number of cavities weighs 5.15E+3 N in air and 3.72E+3 N in water. What…

A:

Q: Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs…

A:

Q: How many kg/m3 is 1 g/cm3?

A:

Q: A cylinder 20cm long and 6cm in radius is made of two different metals bonded end to end to make a…

A: Every body on the Earth has its mass and occupies some volume. The concentration of mass in a given…

Q: A 30-meter length of heavy-duty electrical cable weighs a total of 150 kilograms. What is the…

A: Given, length of the cable, l= 30 meter Weight, m= 150 kg

Kinetic Theory of Gas

The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.

P-V Diagram

A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.