An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm.

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: What is the mass of 6.00cm3 of mercury, density = 13.5939 g/cm3

A: Given : density of mercury = 13.5939 g/cm3  And volume of mercury = 6.00 cm3

Q: There are 2.60   x 1015 short tons of oxygen in the atmosphere (1 short ton 5 2000 lb). How many…

A: Consider the given information is as follows; Mass of oxygen in the atmosphere= 2.60×1015 short…

Q: A perfect cube of a gold metal was found to have a mass of 45.85 g. The density of the gold is 19.3…

A: Given density = 19.3 g/cm3 mass = 45.85 g

Q: Perform this calculation to the correct number ofsignificant figures: 78.222 x (12.02 - 11.52) (a)…

A: Significant figure is an approximation technique in which the final answer will be according to the…

Q: 1.30μm^2. Convert this to square meters.

A:

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A:

Q: What is the volume and thickness of the aluminum foil given 0.405g (mass), 9.5 (length), 9.6…

A: Given:   The mass of aluminum foil is 0.405 g. The length of aluminum foil is 9.5 cm. The width 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: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A: Given,  Density (D) of C-4 plastic explosive brick = 1.05 g/cm3 Volume (V) of C-4 plastic explosive…

Q: Determine the volume of a sample of copper in (m³) with a mass of 2.2 x 105 tons and a density of…

A:

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: The speed of light is 2.998 × 10° m/s. How far does light travel in 2.0 µs? Set the math up. But…

A: Given : The speed of light = 2.998 X 108 m/s Time = 2.0 µs

Q: A length of 155 nm can also be expressed as 1.55 x 104 pm 155000 pm O 0.155 pm 1.55 x 10-6 pm

A: 1 nm = 10-9 m 1 um = 10-6 m

Q: Given the density of silver (10.5 g/cm³) and gold (19.3 g/cm³) in Group IB/11, estimate the density…

A:

Q: (1.8)The area of a paper is 758 cm². What is the area of the paper in m²? O 7.58 x 104 m² O 7.58 x…

A:

Q: ZSM-5, a catalyst material, has a surface area of 425 m³/g. What is the surface area of this…

A:

Q: ZSM-5, a catalyst material, has a surface area of 425 m/g. What is the surface area of this material…

A: Given: Surface area = 425 m2/g To find: Surface area in cm2/mg We know that, 1 m = 100 cm 1 g = 1000…

Q: Which of the following metals will sink in a basin of mercury whose density is 13.6 g/cc? * Al, 335…

A: Answer: U, 4.19 cc with mass of 81.7g will sink.

Q: A hollow spherical iron ball has a diameter of 15.3 cm and has a mass of 13.5 kilograms. Assuming…

A: The formula to find the volume of iron of a hollow sphere, V is: V = 43πR3 -  43πr3 (or) V =…

Q: Question is attached

A: Total mass of the neckless(M)=120g Total volumeof the neckless(V)=11.57mL Using the formula, ρ=MV…

Q: 4. Which of the following is NOT found in the same period as the others? A chromium (Cr) B tungsten…

A: 4) Which of the following not found in same period ?

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: 184 W 74 110 149 100 90 80 70 60 = 1.28 50 p. 40 56 26 Fe 30 1.15 20 10 78 Ne 20 10 %3D 40 20

A: A plot of the number of neutrons verses the number of protons for stable nuclei reveals that the…

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

A: The mass of a proton is 1.67 times 10-27kg. This mass of a proton is to be converted into gigagrams.

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: If a large marshmallow has a volume of 2.00 in3 and density of 0.242 g/cm3, how much would it weigh…

A: Convert the unit of volume:

Q: How many cm3 are there in 2.5 m3?

A: Given, 2.5 m3  Conversion factor : 106

Q: What is the edge length of a cube whose mass for aluminum is 3.44g? Density is 2.70 g/cm3 and Volume…

A: In this question, we want to determine the value of edge length.  You can see details Solution how…

Q: If a piece of aluminnum foil has a length of 27.94cm, a width of 22.86cm, and a thickness of…

A: Given, The length of the aluminum foil is 27.94 cm.Width of the aluminum foil is 22.86 cm.Thickness…

Q: Given that the density of gold is 19.3 g/cm3 , calculate the volume (in cm3 ) of a gold nugget with…

A: The ratio of mass to the volume is known as density.

Q: Senior High School students discover a vaccine that helps to cure the Covid19 virus. The President…

A:

Q: A student finds that 24.96 g of water at 24.9 C(density=0.9971 g/cm3) is required to completly fill…

A: Given data,Mass of water to completely fill the flask=24.96gDensity of water=0.9971g/cm3Mass of…

Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

A: A question about the relationship between mass and density, which is to be answered.

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: Which of the following is correct? Gold nanoparticles are non-metals Gold nanoparticles are metals…

A: To find: The correct statement

Q: 26,000 nanoliters = ? dekaliters %3D 26.9 = ? 62 = ? %3D

A: The properties of matter are mainly two types. These are extensive properties and intensive…

Q: Foundation Of College Chemistry can you please give me the answer  step by step How many significant…

A: Significant figures are used to express the degree of accuracy of an answer. The rules for…

Q: What is the density of water in g/cm3?

A: To find: Density of water in g/cm3 =  ?? experimentally

Q: What mass of potassium gold cyanide, KAu(CN)2, contains 311 g (10 ounces) of gold?

A:

Q: 17 What is the dollar value of a cube of gold measuring 2.00 inches on a side? Price of gold: $1366…

A: Given: Edge length of cube = 2.00 inches. Density of gold = 19.3 g/cm3  And price of gold = $1366…

Q: ? 239 94 Ри + 96 X + ¿n

A:

Q: Calculate the surface area in nm^2 of water contained in a watch glass with a diameter of 9.0cm. The…

A: Given,Diameter = 9.0cmArea = πr2 and diameter 2r

Q: 8. L0s t213.15= 318.18K 2. A woman is 5 ft 5 in tall and weighs 140 lb. Express these values in the…

A: SI System: It is the standard unit system and it is used to express the magnitude of the quantities.…

Q: 2 Ce4+ (aq) + 2CI- (aq) = Cl2 (g) + 2Ce3+ (aq) Ce* + e Ce3+ E° = +1.61 V %3D Cl2 + 2e →2CI E° =…

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: A bakery sells hollow chocolate spheres. The larger diameter of each sphere is 4 cm. The thickness…

A: Answer:- this question is answered by using the simple concept of calculation of volume and then…

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A:

Q: The maximum level that the EPA considers safe for lead air pollution is 1.5 micrograms per cubic…

A: Given : Volume of lungs = 5.30 L And maximum safe level concentration of lead = 1.5 µg/m3