2. Gold can be hammered into extremely thin sheets called gold leaf. A 200-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft x 1.0 ft. What is the average thickness of the sheet in meters? Hints: Calculate the volume of the sheet from its density and mass, and then use the volume relationship for a rectangular solid, V = length x width x thickness . m

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A: The volume of soil is calculated as,

Q: Mass= 1.00 lb volume= 500 cm^3 calculate the density in grams per cubic cemitermiter

A: The density of a substance is defined as the mass of the substance present per unit volume. Given:…

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Q: What is the volume of a sample if the mass is 167.85g and the density is 1.8g/cm^3?

A: Given :-  Mass of sample = 167.85 g  Density = 1.8 g/cm3  To be calculated :  Volume of sample

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A: Given: Rate of carpet = $ 20.99 /yard2.

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A: Density can be calculated by taking ratio of mass and volume. So, first convert the given mass in…

Q: A 13.6 mL sample of polystyrene used in a styrofoam cup weighs 0.222 g What is the density of…

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Q: True or False  1) A 10 cm3 piece of magnesium will have a greater mass than a 10 cm3 piece of zinc.…

A: Given, Volume of Magnesium = 10 cm3 Density of Magnesium = 1.7gmL Volume of Zinc = 10 cm3 Density of…

Q: When a 1.271g Tums tablet reacted with 44.485 mL of hydrochloric acid (density: 1.140 g/mL), carbon…

A:

Q: In water conservation, chemists spread a thin film of a certain inert material over the surface of…

A: Answer :           Lenght of each oil molecule = 2.38 nm. Given :            Volume of oil = 0.10 mL…

Q: What is the density of the metal weight?

A: Mass of empty beaker = 0.1 gTotal mass of system = 0.54 g

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A: Given : Number of titanium atoms in cube = 3.25 X 1023 atoms And density of titanium cube = 4.50…

Q: 8. A company delivering crates of soap ships their cargo on pallets. A single pallet contains 6.00…

A: 8) Given: Number of pallets = 2 pallets Number of crates in 1 pallet = 6.00 crates. The number of…

Q: A certain person had a brain that weighed 1.45 kg and contained 1.45 x 1010 cells. Assuming that…

A: The length of one side of the cell can be calculated from the volume of one cell.

Q: A small hole in the wing of a space shuttle requires a 17.7 cm2 patch. (a) What is the patch’s area…

A: (a) The patch area given is 17.7 cm2 Using conversion factors 1 cm2 = 10-4 m2 1m2 = 10-6 km2 So,

Q: The density of aluminum is 2.70 g/cm3. The mass of a solid piece of aluminum is 3.32 g. What is its…

A:

Q: -7 mmol/L mercury(I) chloride (Hg,Cl,) solution to a reaction flask. Calculate the mass in…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: An empty vial weighs 55.32 g. (a) If the vial weighs 185.56 g when filled with liquid mercury (d =…

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A:

Q: copper wire is 33.99 cm long and weighs 1.621 g. The density of copper is 8.933 g/ cm^3. What is the…

A: Volume of wife is =πr2l Density=mass/volume  Use this formula to get the answer

Q: What is the area in cm² of a sheet of paper that is 8.50 in x 11.0 in?

A:

Q: Carbon

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

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A: We know that, density is defined as the mass per unit volume, i.e.

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A: Density (d) , mass (m) and volume (V) are related as:

Q: Be sure to answer all parts.   A small hole in the wing of a space shuttle requires a 24.7 cm2…

A: Given that -  A small hole in the wing of a space shuttle = 24.7 cm2  Cost of patching material =…

Q: 2. The density of Zinc is 7.13 g/cm³. What is the volume of a sheet of zinc that is 45cm by 60cm in…

A: Given information,   Density of Zinc = 7.13 g/cm3   Area is 45 cm x 60 cm and thickness is 0.0155 cm

Q: A 75 g sample of sodium chloride (table salt) is to be produced by evaporating to dryness a quantity…

A: NaCl = 3.5 % by mass % by mass = Mass ofsolutemass of sea water solution×1003.5 % = M1 g×100M =…

Q: A 25.00 grams sample of a metal is placed carefully in a graduated cylinder, and then benzene is…

A: Given : mass of metal = 25.00 g Mass of metal + benzene = 60.85 g Volume of metal + benzene = 50.00…

Q: mi/hr

A:

Q: 1. The density of diamond is 3.51 g/cm. The international (but non-SI) unit for weighing diamonds is…

A:

Q: What is the density (in g/mL) of a cube that has equal sides of 12 inches and weighs 491 pounds? The…

A:

Q: After taking measurements of a rectangular solid with a mass of 3.84g, you determined the length to…

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Q: in the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: Answer: Given data: dgold=19.32g/cm3dsand=3.65g/cm3 Dimensions of gold idol 5inch×5inch×5inch

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Q: to make a tablet of aspirin, it requires 249 mg of salicylic acid. if the chemist purchased 9.0 x…

A: mass  of salicylic acid purchased by chemist = 9.0 x 10-3 OZ  Mass of salicylic acid required to…

Q: 1. The density of water at 25°C is 0.997 grams per mL. If a swimming pool holds 265 gallons of water…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: II) Density a) What is the mass of a rectangular piece of aluminum 160.6 cm × 140.8 cm × 15.2 cm?…

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Q: 4. Consider the tabulated data collected by a student for an unknown metal sample. Use this data to…

A: Significant figures are those important digits which measures the accuracy of calculation.

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Q: A brick of a certain metal has area on top of 3.54 cm x 6.93 cm. It has mass 921 g. How high is the…

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Q: Human blood typically contains 1.04 kg/L of platelets. A 1.85 pints of blood would contain what mass…

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Q: a thin sheet of nickel measured 5.00 cm by 7.00 cm was found to weigh .350 g. if the density of…

A:

Q: The density of water is 1.00 g/cm 3. If an object is found to have a density of 0.67 g/cm 3, what…

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A:

Q: How would I starts problem 1.19

A: Given masses of lead pellets are 18.5 g and 45.8 g. The final mass of the lead sample will be: