89. The hydrogen atom has a volume of approximately 6.2 x 10-31 m². What is this volume in each unit? (a) cubic picometers (b) cubic nanometers (c) cubic angstroms (1 angstrom = 10¬10 m)

Q: A sheet of aluminum measures 48.5 cm by 29.5 cm. If the volume is 2.90 cm³ what is the thickness of…

A:

Q: How do I find the scientific notation of 82,000,000 s if the number of signtificant figures is 4?

A: The number given is 82,000,000 s And number of significant figures required in final answer is 4.

Q: 4. A 25-mL pipet sample of an alcohol is found to weigh 20.71 g. What would be the mass of 35.25 mL…

A: We know that density = mass / volume Given that Volume of alcohol = 25 mL mass of alcohol = 20.71 g…

Q: A cylindrical metal rod is 1.35 m long, and it has a uniform diameter of 0.750 inch. What is the…

A: Since it is a cylindrical metal rod then the volume of the metal rod can be calculated as follows: V…

Q: What type of quantity (for example, length, volume, density) do the following units indicate? (a)…

A: Units: A fixed amount used as a standard of measurement. For example, for the measurement of mass,…

Q: Name the SI base units that are important in chemistry,and give the SI units for expressing the…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: Gold, which has a density of 19.32g/cm^3, is sold by the troy ounce, which is 31.103 g. What is the…

A: We will use this formula, Volume = Mass/density

Q: The average radius of a molecule of lysozyme, an enzyme intears, is 1430 pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: The density of methanol at 20.0 Celsius is 0.791 g/mL. What is the mass, in grams, of a 280. mL…

A: Given : density of methanol = 0.791 g/mL And volume of methanol = 280 mL

Q: If substance A and substance B each have a density of 1.34 g/cm3, must 3 cm3 of A have the same mass…

A: Yes, the mass of 3 cm3 of A will be the same as 3 cm3.

Q: Nickel metal has a density of 8.90g/cm^3. What is the mass in milligrams, of a 15cm^3 sample of…

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

Q: A). The density of osmium is reported by one source to be 22,610kg/m3. What is the density in g/cm3?…

A: A.) The density of osmium is reported by one source to be 22,610kg/m3. This is to be converted into…

Q: High-density lipoprotein (HDL) is a type of cholesterol, sometimes called “good cholesterol,” that…

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

Q: A copper refinery produces a copper ingot weighing 150 lb.If the copper is drawn into wire whose…

A: 150 lb= 150*0.45 kgs =67.5 kg= 67500grams density of copper=8.94g/cm3 Volume of copper present=…

Q: The density of magnesium is 1.7 g/cm 3, and the density of iron is 7.9 g/cm 3. Consider a block of…

A: Density is a physical quantity that can be determined with the help of the mass and volume of the…

Q: Which of the following has the greater volume: 1 mL or 1 cm³?

A: Volume is defined as the space occupied by a substance. The volume can be measured in various units…

Q: What is the mass of 18 cm cube of iron if the density of iron is 7.87 g/cm ^3?

A: Step : 1             What is the mass of 18 cm cube of iron if the density of iron is 7.87 g/cm 3?

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

A:

Q: Given: 1 lb (pound) = 16 oz (ounces), and 1 lb = 453.6 g, what is 5040 oz (ounces) in %3D kilograms?

A: Conversion factor for the conversion of mass from ounces to pound is 1 lb16 oz. Conversion factor…

Q: If a 120-lb woman uses fi ve 2.0-lb lead weights in order to submerge during a recent scuba dive,…

A: The density of an object is the ratio of its mass to its volume. The density is an intensive…

Q: Given the two liquids, gasoline (d = 0.70 g/mL) and chloroform (d = 1.5 g/mL), how could you…

A:

Q: A cube of an unknown metal measures 0.375 cm on one side.  The mass of the cube is 0.474 g.  Which…

A: Given : length of metal cube = 0.375 cm  And mass of cube = 0.474 g

Q: The density of aluminum is 2.70 g/mL. What volume would a cube of aluminum occupy if it weighed…

A: Density is related to mass of substance and its volume by the relation:Density = Mass (m)/Volume…

Q: What is the mass, in pounds, of 8.32 quarts of olive oil, which has a density of 3.45 kg/gal?

A: Given: Volume of olive oil = 8.32 quarts And density of olive oil = 3.45 Kg/gal. Since 1 gal = 4…

Q: The density of aluminum is 2.702 g/cm3. If an aluminum cylinder with a mass of 32.154 g is dropped…

A: SOLUTION Given values, Mass of cylinder = 32.154g Initial volume of water  = 15.9 mL Density of…

Q: What is the mass of a substance that has a densityof 11.6 g/cm3 and a volume of 35 cm?

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: How many 1-cm cubes would it take to construct a cube that is 4 cm on edge?

A: The volume of a cube that has 4 cm on edge is; V=a3=43=64 cm3 The volume of a cube that has 1 cm on…

Q: Ethylene glycol C2H6O2 is an ingredient of automobile antifreeze. Its density is 11g/cm3 at 20…

A: Dear student, it seems like the density of  Ethylene glycol  is mis-typed as 11 g/cm3.Considering…

Q: assume that a milliliter of water contains 20.5 mL of water. What is the new water level after 41.3…

A: Volume of water = 20.5 mL

Q: At what temperature would 250 mL of water boil? 1000 mL? Is the boiling point an intensive or…

A: The temperature at which a substance in liquid state changes into a gas is called boiling point. The…

Q: iven that there are 1000 g in 1 kg, how many grams are in 2.6 kg?

A: Given,  Kilograms = 2.6 Kg grams = ?

Q: The average radius of a molecule of lysozyme, an enzyme in tears, is 1430. pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: The density of methanol at 20.0 oC is 0.791 g/mL.  What is the mass, in grams, of a 280. mL sample?

A: Given : density of methanol = 0.791 g/mL And volume of methanol = 280 mL

Q: 2. Aluminum has a density of 2.70 g/cm. What would be the mass of a sample whose volume is 10.0 cm??…

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

Q: The radius of a barium atom is 2.22X10⁻¹⁰m. What is its ra-dius in angstroms (Å)?

A: Radius of an atom specifies its size. It measures the distance from the center of the nucleus to the…

Q: Ethylene glycol has a density of 1.11 g/cm^3. What is the volume in liters of 589.02 kg of this…

A: Given,Mass of ethylene glycol = 589.02kg. Density of ethylene glycol = 1.11g/cm3.

Q: . You are an athlete weighing 78 kg. If you are required to lose 9 kg, what would your final weight…

A:

Q: If a 3.25 L sample of pure glycerol has a mass of 4.10×10^3 g -what is the density of glycerol in…

A:

Q: A copper refinery produces a copper ingot weighing 150 lb.If the copper is drawn into wire whose…

A: Given that, Weight of copper ingot=150 lb=67.5 kg (since 1 lb=0.45 kg) 67.5 kg=67500 g (since 1…

Q: A solid occupies a volume of 0.0103 cm3 and has a mass of 16.8 mg. To the proper number of…

A: The density of a substance is calculated as shown below: Density=massvolume and its unit is g/cm3…

Q: A cube of ruthenium metal 1.5 cm on a side has a mass of 42.0 g. What is its density in g/cm3?

A: Given : Length of side of cube = 1.5 cm And mass of cube = 42.0 g

Q: Given that the density of water is approximately 1.0 g/ml. Will a block of material having a volume…

A:

Q: A thief plans to steal a gold sphere with a radius of 28.9 cmfrom a museum. If the gold has a…

A: The radius of the gold sphere = 28.9 cm The volume of the sphere can be calculated from radius as:

Q: A sample of urine has a density of 1.105 g/cm3. What is the mass of 0.255 L of this urine?

A:

Q: The radius of a copper (Cu) atom is roughly 1.3 ×10−10 m. How many times can you divide evenly a…

A: The length of the two pieces of copper wire obtained after the final cut (which contain one copper…

Q: Osmium has a density of 22.6 g/cm^3. What volume (in cm^3) would be occupied by a 27.1 gram sample…

A: Density of Osmium  = 22.6 g/cm3 Mass of Osmium = 27.1 g  Volume = ?