1. A chemist has a block of lead metal (density is 11.3 g/mL). They drop the metal into a graduated cylinder containing water, and find the volume change is 2.70 mL. What is the mass of the block, in grams?

Q: Often the specific amount of a drug to be administered must be calculated from a given dose in mg…

A: The dosage amount specific for a person is calculated using the given formula:

Q: A man takes 400 mg ibuprofen tablets for pain and swelling related to an ankle sprain. The maximum…

A: Given 400 mg ibuprofen maximum daily dose = 4 tablets

Q: The average gas mileage of 2020 Jeep Wrangler is 19 miles/gallon. What is the gas mileage in the…

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Q: . Assuming the idol is pure gold, what volume would the bag of sand have to be in order to weigh…

A: Solution Density, mass of a unit volume of a cloth substance. The formula for density is d = M/V,…

Q: A general chemistry student found a chunk of metal in the basement of a friend's house.To figure out…

A: Mass of metal (M) = 111.2 grams When the metal is dropped into a measuring cup and found that it…

Q: A chemist encounters an unknown metal. They drop the metal into a graduated cylinder containing…

A: The objective of this question is to calculate the density of an unknown metal using the given mass…

Q: A wooden object has a density of 12 g/mL and a volume of 7 mL. What is the mass of this object? 3. A…

A:

Q: 8. A dosage of fentanyl (used in epidurals for childbirth) is 0.85 µg/kg of body weight. If you give…

A: A dosage of fentanyl (used in epidurals for childbirth) is 0.85 µg/kg of body weight. If 0.0645 mg…

Q: A brick of a certain metal has area on top of 2.15 cm x 5.24 cm. It has mass 1,036 g. How high is…

A: Given that:  Metal area = 2.15cm×5.24cm  Mass = 1.036g  Density = 2.7g/cm3 Density formula : mass ÷…

Q: 1. In 1992, the first planets outside the Solar System were detected approximately 1300 light- years…

A: 1. As 1 light year =3.725×1017 inches

Q: A metal object has mass of 241.9 g and is added to a graduated cylinder that contains 50.0 mL . The…

A: Given, mass of metal object = 241.9 g           volume of water = 50.0 mL           Volume after…

Q: A Canadian, driving in the U.S.A., fuels their car at a cost of L The current monetary exchange rate…

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Q: The distance between San Mateo and Los Angeles is about 415 miles. What is this distance in meters…

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Q: 3.0 x 10² mg Tigan capeutes 3.0 x 10² mg Tigan 1 capsules 1 1 4.0 doses A patient is prescribed…

A: Unit conversion means convert one form of unit in to another. Here we have to convert milligram in…

Q: A person has a BMI of 19.1 kg/m2. What is this in Ib/ft? A) 42.1 Ib/ft? B) 5.82 Ib/ft? C) 3.91…

A: Density = mass/volume  Volume of cube = length × breadth × height

Q: A motorcycle’s fuel tank has a capacity of 0.0221 kL and the motorcycle can travel 15.0 km/L. 1.…

A: The solution is given below -

Q: T added 3 kg of water to my Tish tank.

A: Water density =1  Water in kg and in litre will be same.  1st option : Kilogram of mass , but here…

Q: In a certain grocery store strawberries cost $5.12 per pound (5.12 dollars/lb) what is the cost per…

A: Cost of 1 pound (1 lb) of strawberries = $ 5.12 What is the cost per ounce

Q: 1) The weight of a rock is measured to be 0.075 lbs. After placing the rock in a graduated cylinder…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What value of copper (in dollars) is required to cover a 1550 square foot roof with copper 0.812 mm…

A: Density can be defined as the ratio of the mass to the volume. It is generally expressed in g/L. The…

Q: A competitive high school swimmer takes 57.9 seconds to swim 100. yards. What is his rate in m/min?

A: Given that, length= 100 yard  time=57.9 seconds  then,

Q: A metal cylinder weighs 20.050 g. How many pounds (lb.) does it weigh?

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Q: A 89 gram sample of lead placed into 400 mL of water.

A: Answer: When a solid substance is placed into the water it displaces the volume of water which is…

Q: A prescription for amoxicillin comes in an oral suspension that is 25.0 mg per 1 mL. A patient is…

A: A numerical problem based on clinical chemistry, which is to be accomplished.

Q: A chemist has a block of gold metal (density is 19.3 g/mL). They drop the metal into a graduated…

A: Given data, Density = 19.3 g/mL Volume = 1.90 mL To calculate the mass in grams.

Q: what is the volume of water displaced by metal weight?

A: Density is related to mass and volume of an object.density = mass(g)/volume(ml)

Q: Crude oil is collected in barrels and then process at a refinery to make a number of petroleum-based…

A: Given,The volume of a standard barrel of crude oil = 42.0 gallonsFor every barrel of crude oil…

Q: which of the following changes occur in the nucleus when a positron is geven off during a nuclear…

A: A positron, also known as an antielectron, is an electron counterpart having an electric charge…

Q: your car gets 35 mi/gal, how many gallons of gasoline would you use if you drove 570.3 miles?  1…

A: Given -> Distance= 570.3 miles 1 mile = 5280 ft  Car gets -> 35 mi/gal

Q: 5. Often medicine for children is dispensed in a solution form with flavoring added. One such…

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Q: A dosage descibes the amount of medication administered over a specified period of time with a…

A: Information about the question

Q: A dosage descibes the amount of medication administered over a specified period of time with a…

A: In 1 day 4 dose of cephalexin must be given such that in entire one must be given 25 mg/kg of drug.

Q: You have two objects made of the same substance. Object 1 is a cube with a mass of 180.1 g. You…

A: Density of the cube = 5.65g/cm3 Density of sphere = 5.70g/ mL   We know 1cm3 = 1mL So, 5.65g/cm3 =…

Q: To measure the volume of an irregularly shaped object, one must measure the volume of water it…

A: As the volume of the chunk of copper = volume of water displaced by it The volume of the chunk of…

Q: If your car gets 45.7 mi/gal, how many gallons of gasoline would you use if you drove 538.6 miles?

A: the car drove 45.7-mile per gallons of gasoline  thus to drive 538.6 miles, gasoline required =…

Q: A chemist encounters an unknown metal. They drop the metal into a graduated cylinder containing…

A:

Q: An unknown metal sample weighs 18.1 g. This rubber stopper was placed in the graduated cylinder…

A:

Q: Recently one month's production of sodium hydroxide in the US was 2.29 billion pounds. The density…

A: It seems two different questions in one question."Since you have posted multiple questions, we will…

Q: A liquid solvent is added to a flask containing an insoluble solid. the total volume of the solid…

A: Given:Total  volume = 75.0 mlSolvent’s  mass = 42.3 gDensity of solvent  = 0.865 g/mlDensity of…

Q: A dosage descibes the amount of medication administered over a specified period of time with a…

A: The frequency at which a medicinal dose is administered is known as the dosing schedule. The dose…

Q: A student poured two liquids (ethylene glycol and mercury) into a tall graduated cylinder to perform…

A: Density :Density is the mass per unit volume of a substance or it is also the measure that how heavy…

Q: 1. A wooden square block is placed on an analytical balance giving a mass of 5.1977 g. The square…

A:

Q: You are renting a car which is reported to achieve 12.1 km/L. How many miles will you be able to…

A: Conversion of 12.1 kilometer per liter to mile per gallon:

Q: Isopropanol is a common laboratory solvent. A student measures the mass of a sample and records…

A: Given Mass of sample = 26.47 g Volume of sample = 0.0337 L

Q: one box of iron nails contains 85 nails and weighs 0.260lbs lbs total. The density of iron is…

A: As there is water inside the cylinder if we are adding some iron nails in it there will be a rise in…

Q: Macmillan Learning At a resting pulse rate of 79 beats per minute, the human heart typically pumps…

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.