10k gold is often used in jewelry (k=karat). Pure gold is 24k. What percentage of 10k gold is actually gold?

Q: The mass of a proton is 1.67*10^-27kg. What is the mass of a proton in gigagrams?

A: Kilogram is a small unit while gigagrams 1kg=10-6gigagram So 1.67×10-27kg have 1.67×10-27×10-6…

Q: A cylindrical rod formed from Aluminum is 16.85 cm in length and has a mass of 2.17 kg. The…

A: Given:  Length of cylindrical rod= 16.85 cm  Mass of rod= 2.17 kg = 2170 g  Density of aluminium=…

Q: A platinum sheet is 2.50cm square and has a thickness of 0.25mm what is the volume of the platinum…

A:

Q: G. C5H100 80.95 ppm, 6H, doublet 82.10 ppm 3H, singlet 82.43 ppm 1H, multiplet

A: There are multiple questions. We are authorised to solve only one question at a time. Please post…

Q: Which of the following is a chemical property of Sodium?A.melts at 60°CB.soft solid C.density of…

A: Chemical property is a characteristic of a compound that can be observed after it undergoes in a…

Q: Osmium has a density of 22.6 g/cm^3. What volume (in cm^3) would be occupied by a 23.7 gram sample…

A: density(d)=M/V  Units gr/cm3 M=mass V=volume

Q: A cylindrical glass tube 12.7 cm in length is filled withmercury (density = 13.6 g/mL). The mass of…

A: Given, Length of cylindrical tube = 12.7 cm Density of mercury = 13.6 g/mL mass of mercury = 105.5 g…

Q: A 1.00m long beam of stainless steel with a square 2.00cm×2.00cm cross section has a mass of 3.02…

A: Given:Length of stainless steel=1.00 mCross-sectional area=2.00 cm x 2.00 cmMass=3.02…

Q: A piece of a metal alloy with a mass of 114 g was placed into a graduated cylinder that contained…

A: A multiple choice question about concept of density, which is to be accomplished.

Q: A U.S. 1-cent coin (a penny) has a diameter of 19 mm and a thickness of 1.5 mm. Assume the coin is…

A: Given data:

Q: Mercury metal is poured into a graduated cylinder to exactly 22.5 mL. The mercury used to fill the…

A: Given information: Volume = 22.5 mL Mass of empty graduated cylinder = 12.0 g Mass of mercury +…

Q: The density of a gold nugget is 19.3 g/cm3. If the volume of the gold nugget is 0.00369 L, the mass…

A:

Q: A titanium cube contains 3.25 x1023 atoms. The density of titanium is 4.50 g/cm Part A You may want…

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

Q: A wooden block has a volume of 1.00 ft so therefore the equivalent number of cm3 is ? Recall that…

A: Solution Cubic inches (in3) and cubical centimeters (cc or cm3) square measure common units of…

Q: What is the mass of a magnesium block that measures 2.5cm x 3.5cm x1.5cm ?

A: This is a density related problem.Given the dimensions of a magnesium block, we have to calculate…

Q: Gold costs $400 per troy ounce, and 1 troy ounce 5 31.1035 g. Determine the cost of 10.0 cm3 gold if…

A: The relation between mass, density and volume is shown below.

Q: When a piece of aluminum is placed in a 25-mL graduated cylinder that contains 10.5 mL of water, the…

A: Density is given by the ratio of mass of the substance to that of the volume.

Q: What is the mass of 19.8 cm3of gasoline (density 0.680 g/cm3)?

A: Given : volume of gasoline = 19.8 cm3  And density of gasoline = 0.680 g/cm3

Q: A 1.00 m long beam of stainless steel with a square 2.00 cm×2.00 cm cross section has a mass of 3.02…

A: The length is given as 1m and the cross sectional area is 2 cm x 2 cm. The mass is given as 3.02 kg,…

Q: zinc and copper are used in the measurement of food. Are there other topics possible

A: A question based on measurement that is to be accomplished.

Q: One component of a metal sculpture consists of a solid cube with an edge of length 35.1 cm35.1 cm .…

A: The term density refers to the ratio of mass to the volume of given substance. The mathematical…

Q: A 26 m tall statue of Buddha in Tibet iOS covered with 279 kg of gold. If the fold was applied to a…

A: Density is defined as the measure of mass per unit volume. Volume is defined as the space occupied…

Q: 25 cm. What is the density of the rectangular copper block? O 11.1 g/cm3 O 28.4 g/cm3 O 29.0 g/cm3 O…

A: Applying formula d= m/V

Q: Question attached

A: Density of a substance is equal to the mass of the substance divided by its volume.

Q: A piece of aluminum foil has a known surface density of 15 g/cm2. If a 100-gram hollow cube were…

A: Given: Surface density is 15 g/cm2. Mass is 100 g.

Q: A 1.00 m long beam of stainless steel with a square 2.00 cm times 2.00 cm cross section has a mass…

A: Since density of any metal is given by  Density = mass of metal / volume of metal

Q: The blood plasma volume totals of 2.8-3.2 qt in an average human. A quart is a unit of mass. A quart…

A: A quart is a unit of volume. It is represented by qt. 1 quart is equal to 0.946353 liter. 1 qt =…

Q: 4. A perfect cube of aluminum metal was found to weigh 20.00 g. The density of aluminum is 2.70 g…

A:

Q: The black hole in the M82 galaxy has a mass about 500 times the mass of the Sun. It has about the…

A: Given information: Mass of the sun = 1.9891 ×1030 kg Volume of moon = 2.1968 × 10 10 km3

Q: 16. What is 20.0 °C in K and "F? A: 293.2; 68.0

A: The temperature 20.00C is to be converted to other scales of temperature.

Q: 22. The density of magnesium is 1.74 g/cm. What is the mass of a magnesium block that measures 2.5…

A:

Q: What is the total worth of this quantity of gold?

A:

Q: f 5.00 lb of potatoes costs $3.60, how much would 1.30 kilograms of potatoes cost?

A:

Q: The contents of one 90. lb bag of topsoil will cover 10. square feet of ground to a depth of 1.7 in.…

A: Given : 1 bag of topsoil will cover area = 10 ft2  And the depth covered by 1 topsoil cover = 1.7 in…

Q: importance of significant figures?

A: Significant figures are defined as the the number of digits in a measurement or value that…

Q: 4R) The recommended adult dose of Elixophyllin®, a drug used to treat asthma, is 6.00 mg/kg of body…

A: Given: Mass of drug = 6.00 mg/kg mass of person = 134lb To find: The mass of dose in mg

Q: 6. An empty Erlenmeyer flask weighs 241.3 g. When filled with water (d = 1.00 g/cm³), the flask and…

A:

Q: 17. The density of a 100 kg block of marble is 2.76 g/cm³. What would be the density of 5 of such…

A:

Q: An empty Erlenmeyer flask weighs 241.3 g. When filled withwater (d=1.00 g/cm³), the flask and its…

A: Given data:   Mass of Erlenmeyer flask = 241.3 g                  Density of water = 1 g/cm3 Mass of…

Q: Ben was tasked to prepare 10 paper tabs from a 20 mg tablet for neonatal patient X. However, the…

A: mean is the sum of all observation/number of observation   absolute deviation = numerical difference…

Q: What is the mass of 1.00 dm3 of mercury?  The density of mercury is 13.6 g/cm3.

A: Density is given by the ratio of mass of the substance to that of the volume of the substance.

Q: what is the thickness of a material that spreads over an area of 600 cm2  and has a volume of 0.25…

A: Thickness: Volume divided by the area gives the thickness of any object.

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…

A:

Q: How far does light travel in 4.0μs?

A:

Q: A sphere with a radius equal to 15.6 meters and a mass of 415 kilograms has what density? O…

A: Given information,    Radius of sphere = 15.6 m = 1560 cm    Mass of sphere = 415 kg = 415000 g

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: A slab of lithium (Li) weighs 1.49 X 10^3mg and dimensions of 20.9mm, 11.1mm, and 11.9mm. A)…

A: Given that -  Weight of lithium ,Li = 1.49×103 mg = 1.49 g = 0.00149 kg  Dimension of slab = 20.9…

Q: Aluminum-Lithium alloys have been developed by aircraft industry to reduce the weight and improve…

A: