A person who exercises regularly has 16.0% body fat by weight. If this person weighs 165lbs what is the mass in kilograms (kg), of body fat? Show your work

Q: 39. What is the true volume of water delivered in A? A) 10.00 B) 10.02 C) 10.04 D) 10.06 E) 10.08

A: Density-ratio of mass and volume of given solution is called density. Formula is, Density is…

Q: 1. A liquid when poured into a 10 cm-diameter cylinder is found to have amass of 20 kg when…

A: Given : Diameter of cylinder = 10 cm  Mass =20 kg Height = 50 cm  To find : Density , specific…

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A: During division of two values the result must contain the number of significant figure equal to the…

Q: A. From the graph, estimate the normal boiling point of substance X.  B. From the graph above,…

A: Boiling occur when vapor pressure become equal to atmospheric pressure. So, boiling point of each…

Q: An average human exhales about 0.119 g of carbon dioxide, C*O_{2} , per hour (i.e. the units for…

A: Since dimensional analysis is the method in which we cancelled out the same unit in setup and keep…

Q: B0be4141f395507aa9#10001 Academic Search I Downloads E University Librarie... UNIVERS Part A H3O*] =…

A:

Q: A substance is in the form of a 4.5 cm long cylinder with a diameter of 2.1 cm and a mass of 3.7 g.…

A: The term density can be defined as the measurement which can be used to compare the amount of the…

Q: The mass of a beaker is 8.342 grams. After 3.00 mL of an organic liquid is pipetted into the beaker,…

A: Density of organic liquid can be defined as the mass of organic liquid per unit volume of that…

Q: 1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the…

A:

Q: Vorksheet 3: Dimensional Analysis Common brass is a copper (Cu) and zinc (Zn) alloy containing 63.0%…

A: In the given question we have to convert the percent Copper (Cu) by mass.  given data:  63.0% copper…

Q: Wallie weighed 3 different cylinders that all looked the same. He noticed that the masses were all…

A:

Q: 1) How many liters of cane juice is needed to supply 5g sucrose if cane juice contains 12% sucrose…

A: Lets, VL of cane juice is needed. Thus, mass of VL of cane juice = VL x density = V x 1000 mL x 1.12…

Q: You are a chemist working for a pharmaceutical company that produces a wide range of vitamin…

A: The amount of the solute dissolved in a specified volume of the solvent provides a solution of a…

Q: A piece of metal was weighed on a laboratory balance five times and gave the following values:…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: Calculate % difference between trials 1 and 2. Your value MUST be below 2% difference. Then…

A: The data given is,

Q: A student decided to undertake a balance calibration exercise during a lab session involving burette…

A: Mass of calcium carbonate in air = 100 g Density of calcium carbonate = 1.33 g/mL

Q: Run # [10;], (M) [I]. (M) [H*], (M) Product (M) Time (sec.) 1 0.005 0.050 2.00х 105 5.00 x104 9 2…

A: Since the rate law of any reaction depends only on the reactant concentrations. Hence the rate law…

Q: 3. Round each average to reflect the precision of the data set. Standard Deviation Rounded Average…

A: In the given data set unrounded Average is given,from there rounded average has to be calculated.

Q: You measure 35 turtles' weights, and find they have a mean weight of 72 ounces. Assume the…

A: True population mean turtle weight =  72 ± 1.35

Q: If you begin an exercise program and burn 5 Calories per minute by waking, how many hours of waking…

A: Total weight to loose = 3 pounds Required calories to burn to loose 1 pound = 3500 cal Required…

Q: For the data given in Part A, above, from the trendline of your Excel x-y plot, determine and enter…

A: Given data:

Q: The density of an irregular shaped object was measured three times with the following results: 2.15…

A: Standard deviation: The dispersion of a group measured values from the average value can be known by…

Q: Based on the given formulation, compute for 350 grams of the product.  Show weight of each…

A:

Q: A sample of 500 g dry sand, when poured into a 2 litre capacity cylinder which is partially filled…

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

Q: Lead is an elementary substance that occurs as a malleable metal with a density of 11.4 g/mL at…

A:

Q: Question 4 Convert 81.9x10-6 Matm to psi. Give your answer in scientific notation (e. g. 1.23E4…

A:

Q: Think about the situation where you are investigating the relationship of study time vs. exam grade.…

A: Few questions about data interpretation, which is to be accomplished.

Q: 1000 mg of granular salt is briefly stirred into a glass container of 1/4 liter volume filled with…

A: Mass of granular salt provided (M1) = 1000 mg The volume of water in glass  (M2) = 1/4 liter = 0.25…

Q: In a certain population, body weights are normally distributed with a mean of 152 pounds and a…

A: To find people must be surveyed if we want to estimate the percentage:

Q: pycnometer weighs 21.62 grams. Filled with water, it weighs 46.71 grams; filled with another liquid,…

A:

Q: A  patients value for blood cholesterol is measured at 383 mg/dL.  If this patient has

A: Given patients value for blood cholesterol is measured at 383 mg/dL We have  to calculate how much…

Q: A very potent medicine need only be administered at 452 μg/kg of body weight. If the patient weighs…

A:

Q: A 76.00 pound flat of mercury $156.50. The density of margarie is 13.534g/cm3. Find the price of…

A: Given:The Cost of 76.00-pound flask of mercury  = $156.50The density of mercury is =  13.534 g/cm3We…

Q: 795 centigram borax was at 25 °C. After adding the sample, the graduated cylinder read at 35 ml, a…

A: Centigram  to gm =centigram/100 In the above question, 795 centigram =795/100 gm =7.95 gm =0.00795kg

Q: baking soda, [OH ]= 2.1 × 10-6 M Express your answer using two significant figures. (H3O*) = M…

A: The value of hydronium ion can be calculated by using formula  [H3O+][OH-]= 10-14

Q: Question: Assume that a lethal dose of aspirin is 50mg per kg of body weight. How many 1.25 grain…

A: Weight of child = 25 pound or 25 lbs                          = 25 lbs × 1 Kg2.2 lbs…

Q: 3 20. Pa cm = ? kPa• m 3.

A: The fraction utilized for the conversion of one unit to other unit is known as conversion factor. In…

Q: A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl…

A:

Q: A 139 lb male patient with severe lactate acidosis is given isotonic sodium lactate. The doctor…

A: Given that : The weight of the patient=139 lbThe rate of flow=150 gtts/minAmount of isotonic sodium…

Q: Dibutyl phthalate is...0ften used as  man0meter fluid. It has a density 0f 1.047 x103 Kg m-3. H0w…

A:

Q: 1. A piece of metal was weighed on a laboratory balance five times and gave the following values:…

A: Those digits which has meaning in the given magnitude is known as significant figures. All non-zero…

Q: It takes 10.5 s for a sprinter to run 100.00 m. Calculate her averagespeed in meters per second and…

A: The distance travelled by any object per unit time is termed as the speed of the object. Given:…

Q: Video data Student data Weight of Salicylic acid 2.027 g 2.014 g 0.355 g 354 g Weight of weighing…

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Q: One hundred grams (100 g) of water is mixed to 150 g of alcohol (density = 790 kg/m3). Calculate the…

A: Specific Gravity(SG)- It is the ratio of the density of a fluid with respect to the density of any…

Q: C. [H+] = 12 M * Your answer d. [H+] = 5.4 x 10^-5 M* Your answer

A:

Q: A man wanted to prepare a fertilizer solution for his garden. The instructions were dissolve 7 ml of…

A: The required concentration of fertilizer is = 7 mL in four-gallon The volume of the container is =…

Q: A pediatrician prescribes the antibiotic amoxicillin to treat a child suffering from an ear…

A: Given the prescribed dose of amoxicillin = 76.1 mg/(Kg body mass * day) Given the weight of the…

Q: In the UV assay of paracetamol you are required to weigh tablet powder "...containing 0.150 g of…

A:

Q: A CHM 126 student weighed an empty and clean 50-mL flask. The student then used a 10-mL volumetric…

A: Calculate the experimental volume of water,          Mass of water = 72.118 g - 62.258 g = 9.860…

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.