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Chemistry
How many atoms of lead are there in a river with 2.95x10-6mol of lead?
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grams Pb = mols Pb x atomic mass Pb
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An estimation of the radius of a lead atom:
a. You are given a cube of lead that is 1.000 em on each side. The density of lead is
Top answer:
is suppose to be V=4pir^3/3 sry. I get part A. but part B and C are confusing!
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A lead atom has a mass of 3.4x10^-9g. How many lead atoms are in a cube of lead that has a volume of 2.00cm^3 if the density of
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Mass = volume x density Solve for mass. 3.4E-9 g/atom x # atoms = mass Solve for # atoms.
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A lead atom has a mass of 3.40×10−22 g. How many lead atoms are in a cube of lead that has a volume of 1.40 cm^3 if the
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To find the number of lead atoms in a given volume of lead, we need to follow these steps: Step 1:
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A lead atom has a mass of 3.4⋅10^-22 g. How many lead atoms are in a cube of lead that has a volume of 2.07 cm^3 if the
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volume = 2.07 cc density = 11.3 mass = volume x density = 2.07 x 11.3 = about 23g but you should be
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A lead atom has a mass of 3.4 * 10 ^ - 22 * g How many lead atoms are in a cube of lead that has a volume of 4.50 cm^ 3 the
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really? a tiny fraction of one atom? 4.50cm^3 * 11.3g/cm^3 * 1atom/(3.4*10^-22 g) =
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A lead that provides descriptive images of a person or setting that is significant to the story is called what?
A face or scene
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A narrative lead
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a lead that uses a brief statement from a personal interview in the story is
a staccato lead a face lead q quotation lead a
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A quotation lead uses a brief statement from a personal interview in the story.
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Lead has an atomic number of 82. Which statement describes all neutral atoms and ions of lead?(1 point)
Responses Neutral atoms
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President Bush announced Monday that troops would pull out of Iraq, prompting jubilation across the globe. (1 point) Responses A
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A summary lead
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A lead that provides descriptive images of a person or setting that is significant to the story is called what? (1 point)
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A descriptive lead
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