Determine the theoretical density for nickel, and compare it to its actual value. What accounts for the difference?

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A: Accuracy and precision is a measurement of how much a value is close to actual Value.

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Q: •Think it through #2: Compare and discuss the three approaches to the determination of the density…

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Q: Differentiate between solids and liquids in terms of the arrangement AND motion of the particles

A: Difference between solids and liquids on the basis of their arrangement and motion of the particles…

Q: Nitric acid is a compound of acid rain that forms when gaseous nitrogen dioxide pollutant reacts…

A: The release of certain acidic oxides in the atmosphere has resulted in acid rain.

Q: The units of ku are mL (g−1·h−1) but the unit of ke is hour−1. Why?

A: The unit of ku is mL (g−1·h−1) but the unit of ke is hour-1 . Give the reason why there are…

Q: Dennis obtained a clean, dry stoppered flask. He determined the mass of the flask and stopper to be…

A: Given data,Mass of flask and stopper=32.634gMass of water+flask+stopper=59.479gDensity of…

Q: Using the relationship between charge, current and time An electric current transports 770. µC of…

A: Given: The amount of charge = 770 μC Time taken = 14.0 s We have to calculate the size of the…

Q: In heavy water, each of the hydrogen atoms is replaced by a deuterium atom. If the density of…

A: Heavy water is the deuterium oxide, which is another form of water containing heavier isotope of…

Q: Q.1. Complete the following sentences 1- Grain boundaries result from 2- The properties of ceramics…

A: Given: Fill in the blanks To find: Appropriate answers Solution : Grain boundary is defined as a…

Q: Solid zinc metal reacts with ssulfuric acid to form hydrogen gas and an aqueous solution of zinc…

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Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Hi, as you have posted 2 questions and have not mentioned which one you want us to solve for you.…

Q: Name and define the common states of matter

A: Matter: Any substance in universe that has mass and occupies some space is termed as matter.

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 77.15 g/mol and…

A: A crystal lattice comprises of several init cells. The number of atoms in simple cubic unit cell is…

Q: A certain copper ore contains 2.32% of Cu2S by mass, and the remainder of the ore contains no…

A: Mass percent or weight percent of a substance is the mass of the component by the mass of the…

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 71.09 g/mol and…

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Q: Write a balanced equation for the combustion of gaseous methane (CH,), a majority component of…

A: A chemical equation is the simplest and easiest way to write the chemical formula of each of the…

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 69.13 g/mol and…

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Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 79.66 g/mol and…

A: We have to find the density . We are given a simple cubic crystal. It's radius is given. And atomic…

Q: The density of ammonia gas under certain conditons is 0.625g/l. Calculate the density in g/cm^3

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Q: Determine the density (in g/cm3) of a metal alloy (a mix of metals) that has a mass of 56.68g and…

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Q: Suppose you need a tank of oxygen that is 95% pure. Describe a process by which you could obtain…

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Q: Cast Iron is an alloy composed primarily of iron together with smaller amounts of other elements,…

A: Answer -

Q: 3. The following shows a chemical reaction between carbon dioxide and water to form carbonic acid:…

A: The smallest particle of a compound refers to an ion, an atom or a molecule. Three elements :…

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 77.15 gimol and…

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Q: A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration…

A: We have to calculate the percentage of Lake Parsons that has evaporated

Q: Chalcopyrite is among the most common varieties of copper ore. Assuming chalcopyrite is 34.4%…

A: Given: mass of Copper( Cu ) smelt obtained = 30.0Kg Percentage of Cu in chalcopyrite = 34.4% i.e…

Q: Give an example of nanoparticles found in animals and discuss it briefly.

A: Nanoparticles are minute particles ranging from 1 to 100 nanometers in size. Nanoparticles exhibit…

Q: Some people like to make their own hand lotion because it can be less expensive than buying it and…

A: Given data:mass of water   =   253 g                                  mass of glycerin   =  264 g…

Q: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 77.78 g/mol and…

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Q: Describe how volumetric analysis methods are used in quantitative methods. Please provide at least…

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Q: A homogeneous mixture has non-uniformly distributed particles a uniform composition throughout O not…

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Q: Four research teams measured the density of a new alloy, and what each team wrote in its team…

A: Given the most accepted value measured from the most reliable measurement = 3.1 g/cm3.when the given…

Q: Enter an equation for the formation of SnO2(s)SnO2(s) from its elements in their standard states.…

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Q: Which of the following is correct? Gold nanoparticles are non-metals Gold nanoparticles are metals…

A: To find: The correct statement

Q: A metal bar weighs 195 lbs.  If the bar is 72% iron, 18% chromium, and 10% nickel, what is the…

A: The objective of the question is to find out the weight of iron in the metal bar in grams.

Q: A sample of nitrogen gas, N2, travels 17.0 cm in 4.5 minutes. How long in minutes would it take…

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