A bank teller is asked to assemble “one-dollar” sets of coins for his clients. Each set is made of three quarters, one nickel, and two dimes. The masses of the coins are: quarter: 5.645 g; nickel: 4.967 g; dime: 2.316 g. What is the maximum number of sets that can be assembled from 33.871 kg of quarters, 10.432 kg of nickels, and 7.990 kg of dimes? What is the total mass (in g) of this collection of coins?

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: Density: The density of the substance can be defined as the mass of a unit volume of the substance.…

Q: A student is measuring a sample of sodium bicarbonate on an electronic balance that measures to the…

A: Introduction to electronic balance- An equipment used to measure material weight accurately is an…

Q: Magnesium nitride is used in the preparation of certain ceramic materials and the manufacture of…

A: 3 Mg (s) + N2 (g) → Mg3 N2 (s) mass of Mg = 12.7 g Actual Mass of Mg3N2 produced = 8.54 g

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A:

Q: Butane (C4H10) plus Oxygen yields carbon dioxide plus water

A: Given compound is butane. Butane reacts with oxygen to form carbon dioxide, water and liberate large…

Q: You are working in the laboratory and are testing the salinity of ocean water in various areas along…

A: Mass %ge of a component may be calculated by dividing the mass of that component with the volume of…

Q: An antacid tablet weighing 0.938 g contained calcium carbonate as the active ingredient, in addition…

A: We know that, according to the law of conservation of mass in a chemical reaction, the mass of the…

Q: A sample of an ethanol-water solution has a volume of 54.4 cm^3 and a mass of 49.9 g. What is the…

A: The mass of ethanol is - Mass = density×volume Mass = 0.789×54.4 Mass = 42.9216 gram   Then, total…

Q: themist prepares a solution of potassium chloride (KCl) by measuring out 43. mg of KCl into a 50. mL…

A:

Q: As an environmental scientist, you take a sample of soil from a farm field intentionally polluted…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: 2. The picture in the introduction shows that the mass of a crucible and lid was determined to be…

A: Given,  The mass of Crucible and lid = 22.1504 g.  The mass of crucible and lid  and hydrate =…

Q: An aluminum cylinder is 0.512 ft in length and has a diameter of 0.3142 inch. The density of…

A: The objective of the question is to calculate the volume, mass and the number of aluminum atoms in…

Q: White phosphorus consists of a molecule made up of four phosphorus atoms. It burns in pure oxygen to…

A: The given balanced chemical equation                                               P4…

Q: 4 The mixture used in today's experiment was prepared as a 1:1:1 mixture (by mass) of sand, salt,…

A: Given ratio is (1:1:1)  This implies that the mass of sand, salt and salicyclic acid are equal. i.e,…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Answer

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: Methyl benzoate is an oily liquid with a boiling point of 199°C. What volume of methyl benzoate is…

A:

Q: Earth’s surface area is 5.1 x 108 km2, its crust has an average thickness of 35 km and an average…

A: Since the volume of earth will be = surface are of earth X thickness of earth = 5.1 X 108 X 35 =…

Q: in the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: Answer: Given data: dgold=19.32g/cm3dsand=3.65g/cm3 Dimensions of gold idol 5inch×5inch×5inch

Q: Suppose you need 6.0 m of Grade 70 tow chain, which has a diameter of 3/8" and weighs 2.16 kg/m, to…

A:

Q: When a mixture of aluminum powder and iron(III) oxide is ignited, it produces molten iron and…

A: According to law of conservation of mass, mass can neither be created nor be destroyed in any…

Q: mol A chemist must prepare 650. ml. of 1.00 M aqueous-calcium bromide (CaBr) working solution.…

A: As we know,Moles the solute remains same on dilution but volume of the solution increases.Dilution…

Q: to make a tablet of aspirin, it requires 249 mg of salicylic acid. if the chemist purchased 9.0 x…

A: mass  of salicylic acid purchased by chemist = 9.0 x 10-3 OZ  Mass of salicylic acid required to…

Q: A chardonnay wine is 13.5 percent by mass alcohol. If we consume 24 fluid oz of wine, and the…

A: Percent by mass alcohol = 13.5 % Volume of wine = 24 oz 1 oz = 29.57 mL 24 oz = 709.76 mL or 0.70976…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

A: In this we have to find concentration in g/mL   Given data:  Weight of empty graduated cylinder =…

Q: A tricycle factory uses the following items to produce one tricycle: 3 tires, 1 frame, and 2 pedals.…

A: Since,  Given that One tricycle contain-  3 tires,1 frame & 2padal

Q: The avg mass of bolt, nut, and washer are 9.25 g, 4.02 g, and 2.38 g, respectively. A set contains…

A: Given:Average mass of 1 bolt = 9.25 g.Average mass of 1 nut = 4.02 g.Average mass of 1 washer = 2.38…

Q: 15.90 mL of water? (1 ounce = 28.3 g)

A: C) 27.76 mL

Q: The shattered glass case at the scene of a jewelry store robbery was determined to be made of potash…

A:

Q: Calculate the volume in mL

A:

Q: 50.0 kg mixture of salt and water is 15.0% (by mass) salt. Give the mass of the salt and water in…

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Q: A student is given a 6.216 g mixture of iron filings, calcium chloride, and sand. He separates the…

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Q: Carbon monoxide is a common pollutant in urban environments.On one particular day, the air contains…

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Q: Determine the mass of the product from the following data.    Mass Aluminum Foil (g)      2.5415…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.