(1) A typical bacterium has a mass of 1 picogram (1 × 10-¹2 gram). Calculate the mass of a mole (or 1 [mol]) of bacteria. Compare this with the mass of a car.

Q: (a) What is the volume (in km3 ) of Avogadro’s number of sand grains if each grain is a cube and has…

A: Given: The side of the sand grain is l=1 mm. The width of the beach is w=100 m. The depth of the…

Q: One molecule of water (H2O) contains two atoms of hydrogen and one atom of oxygen. A hydrogen atom…

A:

Q: A sphere of radius r has surface area A = 4πr2 and volumeV = (4/3)πr3. If the radius of sphere 2 is…

A: a)The ratio of the areas, A2/A1

Q: One cubic centimeter (10 cm3) of water has a mass of 1.0 x 10-3 kg. (a) Determine the mass of 1.0 m3…

A: Given that:For Volume V=1 cm3 or 10-6 m3, mass of water  m=1.0×10-3 kgBiological substances are 98%…

Q: A builder wants to install wall-to-wall carpeting in a living room of length 8.84 m and width 6.2 m.…

A:

Q: We are going to make a simple approximation of the number of atoms in the universe. Assume all the…

A: Given that, Density of sun = 1.4 g/cm3 Radius of sun = 7.0×108 m =7.0×1010 cm Mass of the sun =…

Q: A thunderstorm drops half an inch 1∙0.01 m2 of rain on Washington, DC, which covers an area of about…

A: The expression for the required rain drop is,

Q: Suppose 1.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick,…

A: Finding the total area occupied by the spilled oil.Given information:The volume of the oil spilled…

Q: The micrometer (1 µm) is often called the micron. (a) How many microns make up 4.0 km? | um (b) What…

A: Given 1μm=10-6 m

Q: Problem 6: The sides of a small rectangular box are measured to be 1.55 + 0.045 cm, 2.1 + 0.025cm,…

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Q: A typical atom has a diameter of about 1 × 10^ -10 m. (a) What is this in inches? (b) Approximately…

A: given data diameter of each atom, d = 1.0*10-10 m 1 cm line what is this in inches? how many atoms?

Q: Iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of an iron atom is 9.27 ×…

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Q: Problem 11: Part (a) Calculate the value of P, in newtons per square meter. P = ______ Part (b)…

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Q: Assume it takes 6.95 minutes to fill a 40.0 gal gasoline tank. (1 U.S. gal = 231 in.3) (a)…

A: (a) Rate in terms of gallons per second Q=Vt=40.0 gal6.95 min60 s1 min=0.0959 gal/s

Q: A model for the surface area of some solid object is given by S = 0.141w0.797 0.466, where w is the…

A:

Q: A spherical balloon is partially blown up and its surface area is measured. More air is then added,…

A: Given: Surface area of the balloon expands by a factor of 9.90

Q: Express this product in units of km3 in standard scientific notation and with the appropriate number…

A: given that (4.2 km) × (4.0 m) × (13.24 × 10−3 mm)

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 pm and…

A: The problem is asking to find the mass of sand grains that would have a total surface area equal to…

Q: A pyramid has a square base of side x and height h. The volume V of the pyramid is given by the…

A: We are given volume of pyramid. We are given uncertainty in height. We are also given uncertainty in…

Q: builder wants to install wall-to-wall carpeting in a living room of length 8.81 m and width 6.3 m.…

A: Given: Length of the room,  L=8.81 m Breadth of the room, b=6.3 m

Q: Estimate the number of molecules that make up Earth, assuming an average molecular mass of 30 g/mol.…

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Q: Suppose 2.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick,…

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Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and…

A:

Q: New more economical water showers would add approximately 8l/min. If the user takes a shower once a…

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Q: Estimate the number of pennies that would fit in a box one foot across by one foot wide by one foot…

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Q: The density of the Earth can be expressed by the equation density = C{1.22 -(r/R)}, where R is the…

A: The mass can be represented as, M=∫0RρdV=∫0RC1.22-rR4πr2drM=4πC∫0R1.22r2-r3RdrM=4πC1.22r33-1Rr440R

Q: A uniform density sheet of metal is cut into the shape of an isosceles triangle, which is oriented…

A: Consider the whole triangle and the small inner triangle with the slice as the base. These are…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

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Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A:

Q: One molecule of water (H2O) contains two atoms of hydrogen and one atom of oxygen. A hydrogen atom…

A: Given that Mass of one hydrogen atom mH = 1 u Mass of one Oxygen atom mO = 16 u Estimated mass of…

Q: The length and width of a rectangular room are measured to be 3.885 ± 0.0065 m and 3.2 ± 0.0045 m.…

A: Please see the answer

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A:

Q: (a) What is the volume (in km3) of Avogadro’s number of sand grains if each grain is a cube and has…

A: The side of the sand grain, l=1 mm=1×10-3 m   The width of the beach, b=100 m   The depth of the…

Q: density of a rod of length 4 m is given by p(x) = 8 + 2x measured in kilograms per meter, where x is…

A: Linear density = mass/ total length = m/L

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A:

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and…

A:

Q: 27.03 cm X 3.3 x 104 g X 83 mph X 3.33 x 10-3 mL X 75 µm x 4°C X 12 miles x 2.9 g X 11.7 mg X 3.62 x…

A:

Q: There is relatively little space between atoms in solids and liquids, so that the average density of…

A: a)Density of nucleus is,