If the concentration of mercury in the water of a polluted lake is 0.350  μg (micrograms) per liter of water, what is the total mass of mercury in the lake, in kilograms, if the lake has a surface area of 15.0  square miles and an average depth of 35.0  feet?

Q: A farmer wants to increase the average body weight in a herd of cattle. She begins with a herd…

A: hN2=R/S             =X0 - X/XP-X We already know the mean weight of the starting herd(595…

Q: The population density of worms in a particular field is 34 worms per cubic meter of soil. How many…

A: The volume of soil is calculated as,

Q: If your front lawn is 25.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates…

A:

Q: A gallon (3.78L) of latex paint can cover 385 ft2 of the surface of a wall. What is the average…

A: Since, 1 L = 103 cm3∴3.78 L = 3.78 x 103 cm3Since 1 ft2 = 929 cm2∴ 385 ft2 = (385x929) cm2…

Q: The concentration of mercury in a polluted lake is 0.33 micrograms per liter of water. What is the…

A: Given,Volume of the lake = 1.5 x 1012cm30.33 micrograms per liter of water

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A: #Q.1: The mixture has 10 lb sunflower seeds and 16 lb cracked corn. Cost of sunflower seeds = 32¢ /…

Q: If your front lawn is 25.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates…

A:

Q: the distance between the oxygen atom and a hydrogen atom in a water molecule is 95.7 pm what is the…

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A: A density of any object depend on the mass of the object as well as the volume it occupies. Here we…

Q: A student measured the length and mass measurements of a cube using the same equipment as in the…

A: Density=MassVolume

Q: In the old pharmaceutical system of measurements, masses were expressed in grains. There are 5.760 x…

A: Welcome to bartleby !

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Q: The total weight of copper in a vehicle ranges from 15 kilos for a small car to 28 kilos for a…

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Q: If your front lawn is 25.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates…

A: Lawn is rectangular which has width = 25.0feet; length = 20.0feet  so Area = length * width…

Q: What is the density of a piece of wood that weighs 50. g and displaces 2.5L of water?

A: Density:The ratio of mass of a sample to its volume is said to be the density.

Q: All of the following are properties of sodium. Which one is a physical property of sodium? Its…

A:

Q: If the concentration of mercury in the water of a polluted lake is 0.200  μg (micrograms) per liter…

A: area = 15.5  square miles = 4 × 107 m2 depth = 27 feet = 8.2 m Concentration = 0.200 micro g//L

Q: What is the density of lithium metal in g/cm3, if a cube measuring 0.82 cm x 1.45 cm x 1.25 cm has a…

A: Mass of a cube = 0.794 g  According to given values ,Let's assume :  Length of a cube = 0.82 cm…

Q: A stack of paper has a volume of 187 cube inches Now all the sheets are laid out on the floor,…

A: Given: Volume of a stack of paper = 187 cubic inches Area covered by paper       = 46,750 square…

Q: The total amount of fresh water on earth is estimated to be 3.73 x 108 km3.  What is this volume in…

A:

Q: What is the volume (in units of m^3) and density (in units of g/mL) of a 325g rectangular block of…

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Q: What is the volume in cm3 of 1.8 cubic feet?

A: volume in cm3 of 1.8 cubic feet?

Q: If your front lawn is 16.0 feet wide and 20.0 feet long, and each square foot of lawn…

A: Since front lawn dimension given as –Width =16 feetsLength=20feetsSo area of lawn = width ×length

Q: You are in Paris, and you want to buy some peaches for lunch. The sign in the fruit stand indicates…

A: Given,Peaches cost 4.00 euros per kilogram.1 euro = $1.20.

Q: A material will float on the surface of a liquid if the material has a density less than that of the…

A: Given: Density of water = 1.0 g/mL Volume = 1.2 × 104 in3 Mass = 3.5lb

Q: The surface area of the earth is approximately (1.92x10^8) square miles. What is this area in square…

A: we know that,  1 square mile = 2.59  square km

Q: Soft wood chips weighing 17.2 kg are placed in an iron vessel and mixed with 150.1 kg water and…

A: (a)

Q: Is sugar an element or a compound? C12H22011 Is water an element or a compound?

A: An element contains same type of atoms. A compound contains different types of atoms.

Q: In Mexico, avocados are 48 pesos per kilogram. What is the cost in cents of an avocado that weighs…

A: Given: Cost of Avocados = 48 pesos/Kg. And weight of avocado given = 0.25 lbs.

Q: A child is prescribed a syrup produced by crushing ten carvedilol 25 mg tablets and mixing to a…

A: Given: The number of carvedilol tablets crushed = 10 The mass of each tablet = 25 mg The volume of…

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: Assume the recommended single dose of an antihistamine for a child weighing 36–47 lbs is 1.50…

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Q: If the concentration of mercury in the water of a polluted lake is 0.250 micrograms per liter of…

A:

Q: Give an accurate word definition of the term “density”.     Is density a physical property or a…

A: Density is defined as the mass of any substance present per unit of volume. => Density = Mass of…

Q: Calculate the density of a metal object with a volume of 20.2 cm3 and a mass of 159 g The object is…

A: Given: The mass of the object, m=159 g  The volume of the object, V=20.2 cm3 The density of the…

Q: If a block of copper measures 2.00 cm x 4.00 cm x 5 cm and weighs 356 g, what is its density?

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

Q: Bacteria vary somewhat in size, but a diameter of 2.0 micrometers is not unusual. What would the…

A: Given, Diameter of the bacteria d = 2.0 μm Radius r = d/2 = 2.0/2 = 1.0 μm The shape is assumed to…

Q: A rectangle lead apron is placed over the chest of a patient while X-rays are taken in a dental…

A: The volume of the rectangle is calculated as shown below where l, w, and h are the length, width,…

Q: A. A typical cheese contains 30.17% water, 31.23% protein, 34.39% fat by mass and the rest made up…

A: We have to predict the mineral water content, volume occupied.

Q: The volume of a gold idol is approximately 1.0L. The density of gold is 19.3 g/ml and the density of…

A: We know that, density is defined as the mass per unit volume, i.e.…

Q: If an electric car is capable of going 225 km on a singlecharge, how many charges will it need to…

A: Since 1 km = 0.621 miles The charges as the trip begin with a full charge is calculated as Since 1…

Q: How many cubic feet are there in a room measuring 6m x 10m x 3m?

A: Cubic feet is calculated by measuring the height,width and length.

Q: 8. The distance between the centers of the two oxygen atoms in an oxygen molecule is 1.21 x 10-8 cm.…

A: Given, Distance between the centres of two oxygen atom in an oxygen molecule (d)= 1.21 × 10-8 cm…

Q: a thin sheet of nickel measured 5.00 cm by 7.00 cm was found to weigh .350 g. if the density of…

A:

Q: A sheet of aluminum foil weighs 2.07g. If the sheet is 24cm long and 20cm wide, how thick is the…

A: Given details about aluminum foil is as follows: Aluminum foil weighs = 2.07g. The length of the…

Q: The masses of the starting five players of a 2009 NBA playoff team are 90.7 kg, 129,300 g, 9.12 x…

A: The given masses of players of a 2009 NBA playoff team are (in terms of player A, B, C, D and E):…

Q: Ariel was wondering how much water there was in the sea.  If the total amount of water in the sea is…

A: Given, Volume of water = 3.73 × 108 km3

Q: A star is estimated to have a mass of 2 x 1036 kg. Assuming it to be a sphere of average radius 7.0…

A: Given:m = 3 x 10³⁶ kg, the mass of the starr = 7.6 x 10⁵ km = 7.6 x 10⁸ mCalculate the volume of the…