In the area of nano-chemistry, particles defined as nanoparticles range in size from 1-2500 nm.  1 nm is equivalent to 1 × 10–9 m. If the size of the particles that make up a particular material is 1.23 × 10–8 cm, what is this size in nanometers?

Q: Describe whether the following are physical or chemical properties. Explain your answer in no more…

A: To determine whether the below process is chemical or physical. Alcohol tends to disappear faster…

Q: 2. If the density of an unknown object was found to be 2.87 x 10 “ pounds (lbs) per cubic inch, what…

A: Density of a unknown object = 2.87 × 10-4 pounds (Ibs) per cubic inch  Density of the unknown object…

Q: A cube of an unknown metal measures 0.250 cm on one side. The mass of the cube is 0.095 g. Which of…

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Q: Lithium is a soft, gray solid that has the lowest density of any metal. It is anessential component…

A: Density can be calculated by taking ratio of mass and volume. So, first convert the given mass in…

Q: The density of gold is 19.30 g/cm3. What is the mass (in grams) of a block of gold with dimensions…

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Q: 1. Which of the following options correctly rounds 126.006 to two significant figures? A) 126.01 B)…

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Q: It takes about 334 miles (mi) to travel from Dublin, GA to Orlando, FL. What is this distance in Mm…

A:

Q: The density of water is approximately 1 g/cm³. Which of these substances will sink in water? A)…

A: Explanation :- More than 1 g/cm3, it will Sink in water.

Q: A chemistry student weighs out 0.120 g of lactic acid (HCH,O,) into a 250. mL volumetric flask and…

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Q: The following items are part of either the macroscopic domain, the microscopic domain, or the…

A: Symbolic domain includes special language, symbols, graphs, drawing, formulas used to represent…

Q: The total weight of copper in a vehicle ranges from 15 kilos for a small car to 28 kilos for a…

A: The weight will affect the car acceleration and deacceleration which tells that how better a car can…

Q: A bank teller is asked to assemble “one-dollar” sets of coins for his clients. Each set is made of…

A: A bank teller is asked to assemble “one-dollar” sets of coins for his clients. Each set is made of…

Q: A flask of mercury has a mass of 76.0 pounds (lbs). What is the mass of the flask in grams?  3.45 x…

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Q: An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to…

A: Density :-  The ratio of mass of a substance to the volume occupied by that substance under the…

Q: the old pharmaceutical system of measurements, masses were expressed in grains. There are 5.760 x103…

A: Given:  Mass of 5.760 x 103 grains = 1 lb  1 lb = 453.592 gm  Number of grains in aspirin = 5

Q: (1.8)The area of a paper is 758 cm². What is the area of the paper in m²? O 7.58 x 104 m² O 7.58 x…

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Q: You can identify a metal using its density. If you have a metal brick that you measured to be 5…

A: A multiple choice question based on identification of metal, which is to be accomplished.

Q: A sample of an ethanol-water solution has a volume of 54.4 cm^3 and a mass of 49.9 g. What is the…

A: The mass of ethanol is - Mass = density×volume Mass = 0.789×54.4 Mass = 42.9216 gram   Then, total…

Q: Ultrapure silicon is used to make solid-state devices, such as computer chips.  If the volume of a…

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Q: A hollow spherical iron ball has a diameter of 15.3 cm and has a mass of 13.5 kilograms. Assuming…

A: The formula to find the volume of iron of a hollow sphere, V is: V = 43πR3 -  43πr3 (or) V =…

Q: A student is trying to identify the composition of a pure metal block by determining its density.…

A: Given that: Mass of block = 30.0 g Rectangular block = 2.00 cm × 3.00 cm × 1.40 cm Density of block…

Q: The diameter of a single carbon particle in a sample of printer toner is 25nm. If you have 50g of…

A: The number of carbon atoms in 50 g of carbon is; nC=mCMMC=50.0 g12.0 g/molNC=50.0 g12.0…

Q: A piece of metal ore weighs 8.75 g. When a student places it into a graduated cylinder containing…

A: The density of the ore is to be calculated

Q: mi/hr

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Q: The radius of cesium atom, Cs, 1s 265 pm, and its mass is 2.21 x 10 22 g. What is the density of the…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 76 pound flask of mercury costs $156.50. The density of mercury is 13.534 g/cm^3. 1)Find the price…

A: Given: Mass of flask = 76 pounds Density of mercury = 13.534 g/cm^3

Q: What is the density (in g/mL) of a cube that has equal sides of 12 inches and weighs 491 pounds? The…

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Q: What is the volume of a box in cm^3 if its dimensions are 7 inches x 7.7 inches x 10.7 inches? 1…

A: Given dimensions has to be converted from inches to cm.

Q: If a large marshmallow has a volume of 2.00 in3 and density of 0.242 g/cm3, how much would it weigh…

A: Convert the unit of volume:

Q: Express the answer to the following calculations in proper number of significant figures. 154.29)…

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Q: Given the density of Au is 19.3 g/cm3, determine the mass of gold in an ingot with the dimensions of…

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Q: The single proton that forms the nucleus of the hydrogen atom has a radius of approximately 1.0 * 10…

A: Given, Radius of the nucleus = 1.0 x 10-13 cm = 1.0 x 10-15 m Radius of the hydrogen atom = 52.9 pm…

Q: in the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: Answer: Given data: dgold=19.32g/cm3dsand=3.65g/cm3 Dimensions of gold idol 5inch×5inch×5inch

Q: 2. You purchase a rectangular piece of metal that has  dimensions 5.0 X 15.0 X 30.0 mm and mass…

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

Q: Substance A has a density of 0.30g/ml and substance B has a density of 0.690g/ml. Are the particles…

A: Density = It may be defined as mass of a substance per unit volume.Mathematically,

Q: Lithium is a soft, gray solid that has the lowest density of any metal. It is an essential component…

A: The given values for rectangular slab of lithium are: m (mass)=1.49×103 mg=1.49×103×10-3 g=1.49 gl…

Q: In microbiology, dilutions are critical for getting a countable number of microbes to grow on a…

A: Initially, the volume of solution to be taken having colonies of 50×106 (M1) is 1 mL (V1). The final…

Q: he volume occupied by the egg whites from four “large” eggs is 112 mL. The mass of the egg whites…

A: Given : volume of 4 egg whites = 112 mL And mass of 4 egg whites = 120 g

Q: 2. Gold can be hammered into extremely thin sheets called gold leaf. A 200-mg piece of gold (density…

A: Given : Mass of golf = 200 mg Density of golf = 19.32 g/cm3  length of sheet = 2.4 ft  And width of…

Q: What is the mass of 1.91 x 10^23 atoms of nitrogen? ____ grams What is the mass of 3.91 x 10^23…

A: Since moles of any atom = number of atoms / Avogadro's number And moles of any molecules = number of…

Q: A small crystal of sucrose (table sugar) had a mass of 6.170 mg. The dimensions of the box-like…

A: Given: mass of small crystal of sucrose = 6.170 mg dimensions of box (l×b×h), = 2.20 mm x 1.40 mm x…

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 dollar bill is 1.8x107 nm long and weighs 0.987 g.  The distance to the sun is 1.5x108…

A: This question is related mass finding out. First utilitizing the given information in equivalent…

Q: An aluminum cylinder is 10.0cm in length and has a radius of 0.25cm. If the mass of a single Al atom…

A: Length of aluminium cylinder = h = 10cm Radius = r = 0.25cm Mass of single Al atom = 4.48x10^-23 g…

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

A: Given,length, l = 2.20 inwidth, w = 3.71 inheight, h = 10.4 in + 1 in

Q: When 89.329 g of an irregularly shaped sample of cobalt was placed in a container and filled to the…

A: Given: Total volume of liquid = 25.00 mL. Mass of Cobalt = 89.329 g. Mass of cobalt with ethyl…

Q: A certain solution is 5.84 % by mass in calcium carbonate (CaCO3).  If the density of the solution…

A: Given that : % by mass of calcium carbonate (CaCO3) =  5.84 % The density of the solution = 1.02…

Q: please highlight the correct answer

A: The molarity relation is given by- M1: bacteria count cell per mL V1: Initial Volume M2: bacteria…

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.