Pheromones are compounds secreted by females of many insect species to attract mates. Typically, 1.0 × 10−8 g of a pheromone is sufficient to reach all targeted males within a radius of 0.50 mi. Calculate the density of the pheromone (in grams per liter) in a cylindrical air space having a radius of 0.50mi and a height of 40ft

Q: Does the density of liquid mercury increase or decrease with increasing temperature? Justify your…

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Q: A particular beer is 6.50 % ethanol by volume (C₂H₆O). If a single bottle of beer contain 750.0 mL…

A:

Q: Name the SI base units that are important in chemistry,and give the SI units for expressing the…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

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A: To solve this problem first we have to know the molar mass of NaCl. From the molar mass we know…

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A:

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Q: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

A: The equation is as follows: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

Q: The distance from Earth to the Sun is 1.50 x 108 km. What is the distance expressed in Gigameters…

A: Conversion of units : This can be done by a method called unitfactor method or called dimensional…

Q: What is 1/λ (m-1) λ (m) = 4.10288 X 10-7

A: Wavelengthλ is the distance travelled by one comlete wave.It is measured by the distance between two…

Q: A particular beer is 6.50% ethanol by volume (C₂H₂O). If a single bottle of beer contains 750.0 mL…

A:

Q: If all volume measurements were made with graduated cylinders instead of pipets, how would the…

A: This can be explained by the extend of the accuracy of graduated cylinders and pipets. When the…

Q: You are renting a car which is reported to achieve 13.7 km/L. How many miles will you be able to…

A: Given Mileage = 13.7 km/L Volume = 11.0 gallons 1 gallon = 3.785 L 11 gallons = 41.64 L

Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A:

Q: perform the following calculation, reporting your answer to the correct number of significant…

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A: Extensive properties are those that depend on the amount of matter present in the substance.…

Q: The density of lead is 11.0 g/cc at 4oC. What is the density of lead in pounds per cubic feet at…

A: The density of the lead can be converted from g/cc to pounds per cubic feet by knowing the following…

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A: Given that,Mass of piece of metal = 27.0 gVolume = 5.8mLNow you calculate the density in mg/L

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Q: perform the following calculation, reporting your answer to the correct number of significant…

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A: Density is defined as the mass of a unit volume of a substance. The formula for density is d = M/V…

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Q: The engine in a boat has a displacement of 350in^3 what is the displacement of this in ft^3 in cm^3…

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Q: You plot A vs Conc (mg/mL) for a set of 5 standards in mg/mL and get the equation for the line as…

A: Given: The best fit line for the absorbance v/s concentration plot is, => y = 0.310 x + 0.315…

Q: Magnesium is used in alloys, in batteries, and in the manufacturing of chemicals. It is obtained…

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Q: calculate the volume occupied by 25.0 g of lead if the density of lead is 11.4g/cm^3 at 25 degrees…

A: The values are given as follows:

Q: The level of water in an Olympic size swimming pool (50.0 meters long, 25.0 meters wide, and about…

A: Surface area of pool = 50 m x 25 m = 1250 m2  lower the water level 8.00 cm = 0.08 m

Q: How many minutes would it take to go 10.2 km at a speed of 7.65 mi/hr ?

A: Given: Speed = 7.65 mi/hr

Q: A pheromone is a type of volatile compound produced by a variety of insect species for chemical…

A:

Q: A particular beer is 6.50 % ethanol by volume (C₂H₆O). If a single bottle of beer contain 750.0 mL…

A:

Q: How much money will it cost you to drive 145.0 miles if your car gets 25.70 miles per gallon and gas…

A:

Q: A copper refinery produces a copper ingot weighing 150 lb.If the copper is drawn into wire whose…

A: Given that, Weight of copper ingot=150 lb=67.5 kg (since 1 lb=0.45 kg) 67.5 kg=67500 g (since 1…

Q: if a plot of weight in g vs volume in ml for a metal gave the equation y=13.41x and R^2= 0.9981 what…

A: Density, mass and volume of a metal are related as:

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A: Density of a substance is equal to the mass of a substance divided by its volume.

Q: A chemistry student needs  70.0mL  of pentane for an experiment. By consulting the CRC Handbook of…

A: Density, mass and volume are related by the equation given below:

Q: A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is…

A: Mass of empty flask = 78.23 g Mass of flask filled with water = 593.63 g Mass of water in the flask…

Q: A sample of gaseous substance at 25 degrees Celsius at 0.862atm has a density of 2.26g/L. What is…

A:

Q: With which of the following we can measure 9.7mL, Consider which volume matters the most AND EXPLAIN…

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Q: A car travels at 55 mi/hmi/h and gets 12 km/Lkm/L of gasoline.   How many gallons of gasoline are…

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Q: Suppose that an in-ground swimming pool has a length and width of 22.0 ft and 39.5 ft, respectively,…

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Q: (8.670 x 10) ×(4.8162)

A: significant figure tells the precision and accuracy of measured value

Q: In normal whole blood there are about 5.4 x 10^9 red cells per milliliter. The volume of a red cell…

A: Given:- In normal whole blood there are about 5.4 x 10^9 red cells per milliliter. The volume of a…

Q: an object weighing 16.9 g into an open vessel that is full of ethanol, so that a volume of ethanol…

A: Given: mass of object=16.9 gnew weight of vessel=10.6 g higherdensity of ethanol=0.789 g/cm3 To…

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.