The black hole in the M82 galaxy has a mass about 500 times the mass of the Sun. It has about the same volume as the Moon. What is the density ofthis black hole?mass of the Sun = 1.9891 × 1 0 30 kgvolume of the Moon = 2.1968 × 10 10 k m 3

Q: A student measures the mass of a piece of aluminum, and finds it to be 8.945 g. She finds that the…

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Q: eral contains 5.032 % of a precious metal, by mass. The precious metal as a density of 3.681 g/cm°.…

A: Density = 3.681 g/cm3  Mass % of metal mineral = 5.032%  Density = mass/volume

Q: The Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. nickels…

A: By using the general conversion factor that 1mm = 0.00328084feet, the thickness of nickel coin in mm…

Q: The density of mercury is 13.6 g/cm^3. What is the mass of 6.50 cm^3 of mercury? (^ means that the…

A: Given  Density of mercury = 13.6 gram/cm3  Volume of mercury = 6.50 cm3 Mass = ?

Q: The density of silver (Ag) is 10.5 g/mL. Determine the mass in kilograms of Ag that will occupy 345…

A: The density of silver (Ag) given is 3.62 g/mL.The volume of Ag given is 345 mL.To find the mass of…

Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

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Q: A homogeneous mixture was prepared by mixing 0.90 g A, 105.7 g B and 48.17 g C. The volume is found…

A: Given, Volume of mixture = 56.6 cm3 Mass of A = 0.90 g Mass of B = 105 .7 g Mass of C = 48.17 g

Q: Victoria carried out the experiment and added 1.9487 g zinc and 1.9371 g iodine to a flask. After…

A: Total mass of Zinc = 1.9487 gTotal mass of iodine = 1.9371 gmass of zinc iodide recovered = 2.3284…

Q: A sandwich has a mass of 125.45 g and a volume of 49.39 cm^-3. What is the density (in g mL^-1, g…

A: Provided data:- Mass of Sandwich = 125.45 g, Volume of Sandwich = 49.39 cm3 Now, Density =…

Q: The distance from the sun to Earth is 1.50 x 108 km. The speed of light is 3.00 x108 m/s. How many…

A: Given, Speed of light - 3.00 × 108 m/s. Distance between sun and the earth - 1.50 × 108 km = 1.5 ×…

Q: If a cube of table sugar, which is made of sucrose, C12H22O11, is added to concentrated sulfuric…

A: Molar mass of Sucrose (C12H22O11) =12×Molar mass of each carbon atom + 22×molar mass of each…

Q: The planet Mars orbits 2.279 x 10¹¹ m from the Sun. Express the distance using the appropriate…

A: 1m = 10-3 mm1 km = 1000 m1 nm = 10-9 m1 Gm = 109 m

Q: In heavy water, each of the hydrogen atoms is replaced by a deuterium atom. If the density of…

A: Heavy water is the deuterium oxide, which is another form of water containing heavier isotope of…

Q: Gold is a very soft metal that can be hammered into extremely thin sheets known as gold leaf. If a…

A: The average thickness of the sheet produced from given grams of gold is calculated as shown below

Q: An FM radio station has a wavelength of 1.847 m1.847 m. Convert this length to feet. How many…

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Q: how many sodium atoms would fit along a straight line exactly one (1) inch long

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Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm.   Part A: What is the…

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Atoms are the smallest spherical particles that make up any matter. If 6.0x10^23 atoms of aluminum…

A: Avogadro’s number is used to determine the number of atoms present in 1 mol of an element.…

Q: The volume of a single barium atom is 4.29 x 10 μL cm³. What is the volume of a barium atom in…

A: We know that the relationship between cubic centimeter (cm3) and microliter(µL) is :1 cm3 = 1000 µL

Q: Since the Geologists at Grasberg know the density of gold to be 19.32g/cm^3 they were surprised by…

A: Density is defined as mass per unit volume of the substance  . Metals have high density as compared…

Q: Mercury is commonly supplied in flasks containing 34.5 kg (about 76 lb) of the element, which has a…

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Q: What is the mass of 1.29x10^24 particles of carbon tetrachloride ? round to 2 decimal places.

A: Given data  The number of particles of carbon tetrachloride is 1.29x1024. The mass of the sample is

Q: Jupiter’s mass is estimated to be 1.90 x 1027 kg, and it has a diameter of 142,984 km. Assuming that…

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

Q: The density of pure copper is 8.89 g/cm3 (at 20 ˚C).Calculate the mass in kg of a copper cube with…

A: Density=massvolumemass=Density x volume1 kg=1000 g1 foot ft=12 inches1 inch= 2.54 cmGiven ,Density…

Q: 8) To determine the volume of an irregular shaped object, it is dropped into a graduate cylinder…

A: The objective of the question is to calculate the density of an irregular shaped object using the…

Q: Some hypothetical metal has the simple cubic crystal figure shown. If its atomic weight is 74.5…

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Q: 1-The answer rounded to the correct number of significant figures after    Performing the following…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: You are supplied with another cylinder made of the same material. If the cylinder length is 1.83…

A: Density  of cylinder  is calculated  by dividing  mass with volumes.

Q: How do you fint the volume of an element, given the density and mass.  For example, "Determine the…

A: The volume of an element can be calculated from the given below formula if its density and mass are…

Q: The radius of cesium atom, Cs, 1s 265 pm, and its mass is 2.21 x 10 22 g. What is the density of the…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: The mass of an empty flask is 210.538 g and when filled with a liquid (d = 0.8540 g/cm3) is 305.497…

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Q: If the price of gold is $1,318.61 per troy ounce (1 troy ounce is exactly 31.1035 grams), what is…

A: Given   The price of gold is $1,318.61 per troy ounce. The second given price is $1,000,000. The…

Q: States of matter are distinct forms that different phases of matter take on. How many physical state…

A: Solution - States of matter are distinct forms that different phases of matter take on. 3 physical…

Q: Calculate the length (in m) of a rectangular solid that weighs 95.5 g and  has a width of 2.50 cm…

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Q: The Law of Combining Gas Volumes A compound containing only chlorine and oxygen is decomposed into…

A: Given: Mass of Cl = 1.71 g Mass of oxygen = 1.54 g Density of Cl = 3.17g/L Density of oxygen gas =…

Q: The space shuttle tiles have a density of 0.0074 lb/in3. Approximately 1320 tiles cover a surface of…

A: Density of a substance can be calculated by dividing the mass by volumewhich may be expressed…

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: Calculate the edge length in m and the volume in L for a cubical box that will “exactly” contain…

A: Given that: Number of Argon atoms present  = 4.32 x 1023 Diameter of Argon (D)= 3.4A° = 3.4×10-10m…

Q: The mass of an unidentified rock is 15.5 grams. Students determine the volume of the rock by placing…

A: Tables -   Rock                 Density Range (g/cm3)  Coal.                    1.1 - 1.4…

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: what is the mass (in g) of the lead apron?

A:

Q: A chardonnay wine is 13.5 percent by mass alcohol. If we consume 24 fluid oz of wine, and the…

A: Percent by mass alcohol = 13.5 % Volume of wine = 24 oz 1 oz = 29.57 mL 24 oz = 709.76 mL or 0.70976…

Q: At one point in time, the price of gold was about $1400 per ounce, while that of silver was about…

A: Given, price of gold = $1400 per ounce price of silver = $20 per ounce density of gold = 19.3 gcm3…