Calculate the dosage in milligrams per kilogram body weight for a 150 lblb adult who takes two aspirin tablets containing 0.324 gg of aspirin each. Express your answer using three significant figures. Calculate the dosage for a 65 lblb child who also takes two aspirin tablets. Express your answer using two significant figures.

Q: A student converts grams to milligrams by multiplying by the conversion factor 1g /1000mg. Is the…

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Q: Calculate the total volume, given that the three volumes shown below were combined into the same…

A: We can solve this problem by converting all three volumes in same unit litter.

Q: The recommended adult dose of a particular drug is 4.89 mg/kg of body mass. Calculate the dose in…

A: Given  Dose = 4.89 mg Weight of person  = 1 kg  Weight of person  = 156 Ib  Dose in mg  = ?

Q: If the initial volume in a graduated cylinder reads 14.7 mL and the volume raises to 31.1 mL after 3…

A: The raise in the volume = Final volume - initial volume = 31.1 mL - 14.7 mL = 16.4 mL

Q: A large painting is 19.2 inches by 20.8 inches. Calculate the area of the painting in meters…

A: Given data :   One Dimension of painting = 19.2 inch = 48.768 cm = 0.48768 m  Other dimension of…

Q: Q. A female patient is to receive Dextrose IV based on her body weight. The patient weighs 186 lbs.…

A: Answer: The volume of Dextrose that the patient needed to receive is 16.874 mL.

Q: A surveyor measures the length of a surveying chain containing 1000 chain links. The length is…

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Q: A pharmacy technician measures the mass of a pill. The mass of one pill is  208   mg . What is the…

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Q: Two students measure and record the volume of the same sample of water in the graduated cylinder…

A: The reading of the volume of the graduated cylinder depends on the distance between the two nearest…

Q: Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. If the unit of…

A: The given unit of measuring the cholesterol is 185 mg/dL. One milligram (mg) is equal to 10-3 grams…

Q: Suppose you have two 100-mL graduated cylinders. In each cylinder there is 44.0 mL of water. You…

A: Given  volume of water in both cylinder = 44.0 mL side of cube = 1.9 cm    Conversion factor : 1…

Q: An object measuring 25.0 inches will have a length of___centimeters round your answer to the correct…

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Q: hardware salesman measures the mass of a box containing  1000  washers.  The mass is  0.7222   kg…

A: We know from the unit conversion in chemistry, to measure small amount we generally used mg,…

Q: When you perform the following operations, how many significant figures should your answer have?…

A: We will use significant figures rules to answer this question.

Q: 1. How many significant figures should be retained in the result of the following calculation?…

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Q: What answer should be reported, with the correct number of significant figures, for the following…

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Q: Your pediatrician has prescribed medicine for your child, telling you to give them 2,000 mg of the…

A: Medicine to be given each day= 2000 mg= 2 g ( 1 g = 1000 mg) Drug label: 0.19 g medicine per mL

Q: A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.5924 kg. What…

A: We know that - 1 Kg = 1000 g 1 g   = 1000 mg

Q: Substance A has a density of 1.7 g/cm3. Substance B has a density of 1.7 kg/m3. Without doing any…

A: The ratio of the massM of a substance to it's volumev is known as densityD. It is generally…

Q: A physician orders enalaprilat 5 mg IVP for a hypertensive patient. The pharmacist delivers several…

A: Mass of enalaprilat to be administered to patient = 5 mg Available injection vials = 1 mL Mass of…

Q: Convert 902 m/s to mile/min. Using the conversion factors below (you will not use all of them), the…

A: Given:  1 mile = 1.609 km  1 km = 1000 m  => 1 mile = 1.609 x 1000 = 1609 m  Also 1 min = 60 s

Q: liquid density dimethyl sulfoxide -1 1.1 g-mL tetrahydrofuran -1 0.89 g mL diethylamine -1 0.71 g-mL…

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Q: A specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-g piece. How…

A: Given,  Dietary Fat = 7.00 g Mass of piece = 22.7 g Mass of candy = 3.00 lb

Q: How long would it take in hours to administer exactly 400 mL of fluid through an IV with a drop…

A: Given : total volume of fluid to pass = 400 mL drop factor = 20 gtt/mL drip rate = 70 gtt/min

Q: 1( a)14,679cm are how many km?   How many milligrams are in 0.73 pounds?     How many…

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Q: 1a) A children's liquid medicine contains 100 mg of the active ingredient in 5 mL. If a child should…

A: To solve the given problem, w 1e need to use the unit factor.

Q: The average adult has approximately 77.0 milliliters (mL) of blood per kilogram (kg) of body mass.…

A: The amount of blood per kilogram (kg) of body mass is = 77.0 mL The body mass of the person is =…

Q: A runner wants to run 11.9 kmkm. Her running pace is 7.0 mi/hrmi/hr. How many minutes must she run?…

A: Concept introduction: Speed of an object is equal to the distance covered by object per unit time.…

Q: Horse height is measured in hands, one hand equaling exactly 4 inches. If a horse is 15.5 hands…

A: The unit conversion method can be used here.

Q: A small cube measures 12.8 mm on a side and weighs 6.23 grams. What is the density of the cube in…

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Q: A patient is required to take an IV drug for cancer treatment. The required dosage is 5.0 mg drug…

A: Given, drug in each bag = 250 mg  Patient volume = 150 eb Required drug per drug = 5.0 mg/lb

Q: A 1.25-mL flask and stopper have a mass of 79.310 g. A 25.0-mL sample of an unknown organic liquid…

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Q: Multiply the weight from Step 2 by the conversion factors from Step 3. Be sure to rearrange the…

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Q: access the section in your eText. Part A An infant ibuprofen suspension contains 100 mg/5.0 mL…

A: Given 1. Weight of the body = 18 lb = 8.16 kg (1 lb = 0.4535 kg so 18 lb = 18 x 0.4535 kg = 8.16 kg)…

Q: If I have these values and need to calculate percentage, what are the significant figures I need?…

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Q: Crude oil is sold in units of barrels, where 1 barrel=160 liter. . Assume that crude oil has a…

A: Given : Density =  823.0 kg/m³ Volume = 1barrels.

Q: A room is 20.0 feet wide and 30.0 feet long with ceilings that are 10.0 feet high. You need to find…

A: The volume of the room can be calculated as follows: Volume = length× width × height For the room…

Q: How many significant figures should be retained in the result of the following calculation? 12.00000…

A:

Q: Define density.  Hexane has a density of 0.659 g/mL.  How many milliliters (mL) of hexane are in…

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

Q: Chalcopyrite, the principal ore of copper (Cu), contains 34.63% Cu by mass. How many grams of Cu can…

A: Given: Percent by mass of Cu = 34.63 % And mass of ore = 9.68 X 104 Kg.

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

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Q: Convert 8,097 cm to km. Express your answer in standard notation not scientific or exponential…

A: Given :-  Distance = 8,097 cm  To convert :-  8,097 cm to km

Q: (1) Convert 0.50 Gal into mL, using (1 Gal = 3.785 L) as one of the conversion factors. 1 Gal=3.785…

A: 1)  Gallon is the unit to measure the volume of water. 1 Gallon=3.785 L 1L=13.785Gal1L=0.264Galnow,…

Q: Suppose you have two 100-mL graduated cylinders. In each cylinder, there is 20.0 mL of water. You…

A: Volume of water = 20.0 ml  Density of lead cube = 11.3 g/ml  Density of aluminium cube = 2.70 g/ml…

Q: express the answer in standard notation using the correct number of significant figures.

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Q: To prevent bacterial infection, a doctor orders 6 tablets of amoxicillin per day for 11 days. If…

A: Mass of any substance can be expressed in different units such as grams , milligrams , kilograms ,…

Q: A room has the following measurements:  15.0 ft length, 10.0 ft width, and 5.0 ft height. What is…

A: Given  Length  = 15 ft  Width   = 10.0 ft  Height  = 5.0 ft  Volume = ? 1 ft = 0.305 meter

Q: gasoline density =0.74 g/mL How many liters of gasoline contain 1.63 kg of gasoline

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.