The average radius of a molecule of lysozyme, an enzyme in tears, is 1.430 nm. What is its radius in micrometers ( μ m)? (Enter your answer in scientific notation.)

Q: A sheet of aluminum measures 48.5 cm by 29.5 cm. If the volume is 2.90 cm³ what is the thickness of…

A:

Q: The distance between two atoms in a molecule is 148 pm. What is this distance in centimeters?

A: we know, 1 picometer(pm) = 10-12 meter(m) distance ( in m) = 148 pm  × 10-12 m / 1 pm = 148  × 10-12…

Q: A gallon (3.78L) of latex paint can cover 385 ft2 of the surface of a wall. What is the average…

A: Since, 1 L = 103 cm3∴3.78 L = 3.78 x 103 cm3Since 1 ft2 = 929 cm2∴ 385 ft2 = (385x929) cm2…

Q: The engine in a boat has a displacement of 350 inches3? what is the displacement of this engine in…

A: Following are the appropriate answers of the given questions.

Q: The concentration of mercury in a polluted lake is 0.33 micrograms per liter of water. What is the…

A: Given,Volume of the lake = 1.5 x 1012cm30.33 micrograms per liter of water

Q: 4. The density of a proton is approximately 4.0 x 1014 g/cm°. If the mass of the proton is 1.7 x…

A:

Q: The density of ethylene glycol, the principal ingredient in antifreeze is 1.11 g/cm3.  If you have…

A: For Ehtylene Glycol liquid,  Density = 1.11 g cm-3 Mass = 245 g Volume = ?

Q: What is this speed in meters per second?

A: 1 mile = 1609.3 m  1 hour = 60 minutes  1 min = 60 seconds  So, 1 hour = 60×60 = 3600 s

Q: The average radius of a molecule of lysozyme, an enzyme intears, is 1430 pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: Prepare a table in which the rows are: length, area, volume, mass, and time. Make two columns, one…

A:

Q: Which one of the following is the longest length? (1 ft = 12 in, 1 in = 2.54 cm) 3.2 m, 145 in,…

A: The given values are in different units. First all the values have to be converted into one single…

Q: 1.) Which macroscopic characteristics differentiate solids, liquids, and gases? (List as many as…

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…

Q: What is the speed of light in miles per second? Express your answer in scientific notation. The…

A: Given: The speed of light in m/s is 299,792,458 m/ s.

Q: the distance between the oxygen atom and a hydrogen atom in a water molecule is 95.7 pm what is the…

A: conversion from one unit to another unit is an important aspect of measurement

Q: A student performs an experiment to determine the density of a sugar solution. She obtains the…

A: A data is said to be precise if experimental values are close to each other.  A data is said to be…

Q: The following procedure was used to determine thevolume of a flask. The flask was weighed dry and…

A: Density of the flask is equal to the mass of substance divided by its volume. Write the expression…

Q: The diameter of a red blood cell is about 3 × 10−4 in. What is its diameter in centimeters?

A: Red blood cell (RBC) is the component of blood. It helps in the transport of oxygen to the body…

Q: A meteor has a volume of 9235 ft3 , what is the mass in kg of the meteor if the density is 0.92…

A:

Q: A certain person had a brain that weighed 1.45 kg and contained 1.45 x 1010 cells. Assuming that…

A: The length of one side of the cell can be calculated from the volume of one cell.

Q: A drip sprinkler system releases water at a rate of 16.67 gallons per minute. What is this rate in…

A: The rate at which water is sprinkled is 16.67 gallons per minute. 1 gallon = 3785.41 ml

Q: What is the density of a metal when 20.9 grams occupies 2.35 mL?

A: Density is given by the ratio of mass of the substance to that of the volume.

Q: The density of silver is 10.5 g/cm³. What is the mass of a silver bar (in gms) that measures 0.1000…

A:

Q: The distance between the centers of the two oxygen atoms in an oxygen molecule is 1.21 × 10−8 cm.…

A: Units of measurement are needed for the desired calculations. It gives different ways to work out…

Q: What is the volume in cm3 of 1.8 cubic feet?

A: volume in cm3 of 1.8 cubic feet?

Q: The surface area of the earth is approximately (1.92x10^8) square miles. What is this area in square…

A: we know that,  1 square mile = 2.59  square km

Q: As an instructor is preparing for an experiment, he requires 325 g phosphoric acid. What is the…

A: Mass of Phosphoric acid = 325 gm Density = 1.83 g/ml

Q: THe density of aluminium is 2.7 g/cm3. what is the mass, in grams, of a piece of aluminium foil that…

A: Given, density of aluminium is 2.7 g/cm3

Q: The average radius of a molecule of lysozyme, an enzyme in tears, is 1430. pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: One molecule of the spherically shaped, oxygen-carrying protein in red blood cells, hemoglobin, has…

A: Given: Diameter of the oxygen carrying cells = 5.5nm To Find: Diameter of the cell in meter Formula:…

Q: The radius of a barium atom is 2.22X10⁻¹⁰m. What is its ra-dius in angstroms (Å)?

A: Radius of an atom specifies its size. It measures the distance from the center of the nucleus to the…

Q: GenAlex Medical, a leading manufacturer of medical laboratory equipment, is designing a new…

A: Given that , The volume of blood sample ,             = 2uL             =2 x 10-6 L

Q: A student estimated that the volume of a crucible was 28.6 mL.  When the volume was accurately…

A: Percent error can be calculated using the following formula.

Q: A student is given the following question: "What is the mass of a gold bar that is 7.379 × 10–4 m3…

A: We know,Mass = Density x Volume

Q: How many square centimeters are there in 1 hectare? Express your final answer in scientific…

A: 1 hectare = 10,000 M2

Q: A block metal has a volume of 13.4in^3 and weighs 5.22lb. What is its density in grams per cubic…

A:

Q: What is the area of a piece of metal foil that measures 43.9 cm by 29.21 cm? Express the answer to…

A: Since we know for a rectangular foil area = length × breadth  Here , Length = 43.9 cm…

Q: Suppose you are trying to find the volume of a box based on the given measurements for the length,…

A: given l = 2.20 in   w =3.11 in  h = 10.4 in +1 in

Q: 1000 900 800 700 600 500 400 300 200 100 A sample of liquid has a measured volume of 561 mL. 1. How…

A: Given : volume of sample = 561 ml To find : 1). Significant figures 2). Scale divisions in ml 3).…

Q: You are in a game show and you are asked to pour a gram of sand in the balance, the person closest…

A: Given, the exact value is 1 gram.Individual 1 = 0.894 gIndividual 2 = 765 mg = 0.765 gIndividual 3 =…

Q: 8. The distance between the centers of the two oxygen atoms in an oxygen molecule is 1.21 x 10-8 cm.…

A: Given, Distance between the centres of two oxygen atom in an oxygen molecule (d)= 1.21 × 10-8 cm…

Q: The distance between two carbon atoms in a piece of diamond is 0.154 mn. what is this distance in…

A: Given: Distance = 0.154 nm Conversion factors: 1 pm= 1 x 10-12 m 1 nm= 1 x 10-9 m

Q: Which of the following is a physical property?     Which of the following items is a pure…

A: Interpretation-  There are too many questions which are given as above mentioned so just answer of…

Q: The average density of a planet is 0.500 g/cm3. What is its density in kg/m3? (Enter your answer in…

A: The ratio of mass to volume is known as density

Q: the unit of land measure in the english system is the acre, while that in the metric system is the…

A: We have to calculate the area in hectares.

Q: the radius of a neon atom is 6.9 x 10 ^-2 nm, and its mass is 3.35 x 10^-17 micrograms. what is the…

A: 6.9 * 10-2 nm = 6.9 * 10-12  m  We know that formula of volume of sphere  = 4/3 πr3  As 1 meter =…

Q: A scientist performs an experiment to determine the density of a sugar solution.  He obtains the…

A: Accuracy refers to how closely a measured value relates to the true value. Precision refers to how…

Q: a thin sheet of nickel measured 5.00 cm by 7.00 cm was found to weigh .350 g. if the density of…

A:

Q: A sheet of aluminum foil weighs 2.07g. If the sheet is 24cm long and 20cm wide, how thick is the…

A: Given details about aluminum foil is as follows: Aluminum foil weighs = 2.07g. The length of the…

Q: A chemistry student needs 35.0 mL of dimethyl sulfoxide for an experiment. By consulting the CRC…

A: Given, volume of dimethyl sulfoxide = 35.0 mL  1 cm3 = 1 mL  35.0 cm3 = 35.0 mL  Density of dimethyl…

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.