For a material to float on the surface of water, the material must have a density less than that of water (1.0 g/mL) and must not react with the water or dissolve in it. A spherical ball has a radius of 0.50 cm and weighs 2.0 g. Will (his ball float or sink when placed in water?(Note: Volume of a sphere 4/3 pie r3 )

For a material to float on the surface of water, the material must have a density less than that of water (1.0 g/mL) and must not react with the water or dissolve in it. A spherical ball has a radius of 0.50 cm and weighs 2.0 g. Will (his ball float or sink when placed in water?(Note: Volume of a sphere 4/3 pie r3 )

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter1: Matter And Measurements

Section: Chapter Questions

Problem 38QAP: A gasoline station in Manila, Philippines, charges 38.46 pesos per liter of unleaded gasoline at a...

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A gasoline station in Manila, Philippines, charges 38.46 pesos per liter of unleaded gasoline at a time when one US. dollar (USD) buys 47.15 pesos (PHP). The car you are driving has a gas tank with a capacity of 14 U.S. gallons and gets 24 miles per gallon. (a) What is the cost of unleaded gasoline in Manila in USD per gallon? (b) How much would a tankful of unleaded gasoline for your car cost in USD? (c) Suppose that you have only PHP 1255 (a day's wage for an elementary school teacher) and the car's tank is almost empty. How many miles can you expect to drive if you spend all your money on gasoline?
At 25 C, the density of water is 0.997 g/cm3, whereas the density of ice at 10 C is 0.917 g/cm3. (a) If a soft-drink can (volume = 250. mL) is filled completely with pure water at 25 C and then frozen at - 10 C, what volume does the ice occupy? (b) Can the ice be contained within the can?
The density of manganese is 7.21 g/mL, that of calcium chloride is 2.15 g/mL, and that of sodiumacetate is 1.528 g/mL. The three solids were placed in a liquid, in which they do not dissolve. The liquidhas a density of 2.15 g/mL. Which solid will sink to the bottom, which will stay on the top, and whichwill stay in the middle of the liquid?
1.The density of manganese is 7.21 g/mL, that of calcium chloride is 2.15 g/mL, and that of sodiumacetate is 1.528 g/mL. The three solids were placed in a liquid, in which they do not dissolve. The liquidhas a density of 2.15 g/mL. Which solid will sink to the bottom, which will stay on the top, and whichwill stay in the middle of the liquid? 2.The density of homogenized milk is 1.03 g/mL. How much does 1 cup (236 mL) of homogenizedmilk weigh in grams? 3.Acetone, the solvent in nail polish remover, has a density of 0.791 g/mL. What is the volume, inmilliliters, of 20.0 g of acetone?
The density of manganese is 7.21 g/mL, that of calcium chloride is 2.15 g/mL, and that of sodium acetate is 1.528 g/mL. You place these three solids in a liquid, in which they are not soluble. The liquid has a density of 2.15 g/mL. Which will sink to the bottom, which will stay on top, and which will stay in the middle of the liquid?
Suppose that an in-ground swimming pool has a length and width of 22.0 ft and 39.5 ft, respectively, and a depth of 4.5 ft. What volume of water, in liters (L), is needed to fill this pool?
A single 1−oz serving of tortilla chips contains 260 mg of sodium. If an individual ate the entire 18−oz bag, how many grams of sodium would he ingest? If the recommended daily intake of sodium is 2.4 g, does this provide more or less than the recommended daily value, and by how much?He would ingest ____g of sodium. Thus, the entire bag of chips provides more than the recommended daily allowance of sodium by ____g.
Prior to hosting an international soccer match, the local soccer club needs to replace the artifical turf on their field with grass turf . The grass turf will cost $7.00 per square meter. If the field is 0.101 km by 0.065 km, how much will it cost the club to add the grass turf to their field?
The mass of acetic acid in a 2.00 mL sample of vinegar (density of the vinegar is 1.00 g/mL) is determined to be 0.233 g. What is the mass % of acetic acid in the vinegar?
Nitroglycerine, used to treat patients with angina, is prescribed for a patient by IV at a rate of 235 μg/min235 μg/min. The IV bag contains 50. mg50. mg nitroglycerine/250 mL250 mL D5W. How many milliliters per hour should the patient receive?
A 26.0-oz container of salt costs $0.89. (Conversions: 6 teaspoons = 1 ounce; 16 ounces = 1 pound.) a. If a cookie recipe calls for ½ teaspoon of salt, what is the cost of the salt that is required by the recipe? b. If this recipe makes 3 dozen cookies, what is the salt cost per cookie? c. How many recipes of cookies could be made by a single container of this salt?
Heparin is available in a 10 mL vial containing 2500 units/mL. A heparin infusion is prepared by adding 7.5 mL of the heparin stock solution to a final volume of 500 mL of Dextrose 5% in Water. What is the infusion rate (mL/hour) required to deliver a dose of 18 units/kg/hour to a patient who is 6’0” tall and weighs 154 lbs?