"Systematic errors typically affect accuracy whilst random errors generally affect precision”. Do you agree with this statement? Logically support your answer using fully annotated illustrations where necessary

Q: Briefly describe the purpose and importance of the following procedures in the analytical process:…

A: Sample preparation is the most important step in chemical analysis to start with.

Q: Determination of ash content is part of the proximate analysis in food laboratories which provides a…

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Q: Am I right? Calculate the mass percentage of water in the hydrate. Show the calculations. Sample 1…

A: mass percentage of water = Mas of waterMass of hydrate x 100

Q: Which of the following has the smallest diameter?   Human hair   Combustion particles   Fine…

A: Which of the following has the smallest diameter? Answer is given below.

Q: Using grammatically correct English sentences, describethe relationship between the number 6.022 *…

A: Number of moles of a chemical compound is used to measure the amount of compound in a given mixture…

Q: Which scale is most useful for reporting data from the spectrometer? Why?

A: The two scales used for analysis in UV spectroscopy is percent transmittance and absorbance.

Q: Molecules and compounds are made up of many atoms, however, not all molecules are compounds. Which…

A: molecule: substance which have two or more atoms called molecules. compound:- substance which have…

Q: What does the law of conservation of matter mean in chemistry? O a. The total number of molecules of…

A: Law of conservation of matter

Q: An untested explanation of a series of experimental observations is called is a tested/testable and…

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Q: A compound consists of elements combined in a fixed ratio. True or False

A: An element is a pure chemical substance made of same type of atoms.  The compounds are made up of…

Q: Explain three different types of mass spectrometers. Differentiate them, construction,working and…

A: Interpretation - To explain three different types of mass spectrometers and we have to differentiate…

Q: A student used the Procedure of this experiment to determine the formula for an oxide of tin (Sn).…

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Q: 3g. 2Fe203 + 3C ----> 3CO2 + 4Fe 3h. Fe2S3 ----> 2Fe + 3S 3i. 2KI + Pb(NO3)2 · ----> 2KNO3 + Pbl

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Q: Complete the following tables.

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Q: Describe and distinguish between thelaw of conservation of mass, the law ofconstant composition, and…

A: In chemistry, a number of scientists put forward different theories to explain the properties of…

Q: Deductive reasoning is applied in forensic science, instead of inductive. This statement is true or…

A: The difference between inductive and deductive reasoning is that inductive reasoning focus at…

Q: One mole of gallium (61023 atoms) has a mass of 70 grams, as shown in the periodic table on the…

A: Introduction: Introduction: The density will be the same for one atom and a large part of the…

Q: 17. Aiphonse Bertillon (1853-1914) devised the first sei- entific system of using a series of body…

A: 17) Alphonse Bertillon (1853-1914) devised the first scientific system of anthropometric using a…

Q: Find in the chemical literature at least three values for the molar mass of lithium determined since…

A: "Since you have posted a question with multiple sub-parts , we will solve first sub-parts for you .…

Q: A new compound has the empirical formula GaCl2. Thissurprises some chemists who, based on the…

A: The empirical formula of new compound is s GaCl2 . Since gallium is belongs to group 13, it exhibit…

Q: Which of the following is incorrect: a. General steps in quantitative analysis include: Method…

A: Chemical analysis are of two types : 1. Quantitative analysis 2. Qualitative analysis

Q: How is accuracy and precision related to errors incurred in the chemical analysis?

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Q: Which of these statements is a consequence (follows from) the Law of Definite Proportions? O All…

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Q: Am I right? Sample 1 2 3 Calculations for sample 1 Mass of aluminum dish   1.24g 1.26g…

A: Percentage of water  = mass of watermass of anhydrate  x 100

Q: Compounds are composed two or more elements chemically combined while mixture are composed of…

A: A question based on introduction to chemistry that is to be accomplished.

Q: Define the Laws of Definite and Multiple Proportion?

A: Law of multiple proportions states “If two elements can combine to form more than one compound, the…

Q: An analyst performed an analysis of a sample for its calcium ions content got the following results:…

A: Accuracy means the agreement of a particular value to the true value. Hence accuracy is the measure…

Q: * Do the following problems in your lab notebook 1. Reduce (or simplify) the following to three…

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Q: Fill in the blank. Gravimetric analysis relies heavily on the principle of

A: Gravimetric analysis is a method for compound

Q: On March 20, 1997, FDA published a final rule on electronic records and signatures, which FDA will…

A: According to 21 CFR part 11,it states that electronic records and electronic signature are treated…

Q: Which methods separate a mixture according to the size of the particles? distillation and…

A: Given: To identify the methods which separate the mixture based on the size of the particles.

Q: How is accuracy and precision related to errors incurred in the chemical analysis?

A: In chemical analysis there are mainly two categories of measurement. Qualitative analysis…

Q: 1s²2s 2p*3s' Express your answer as a chemical symbol.

A: Part A Excited electronic configuration is 1s2 2s2 2p4 3s1 1 electron from 2p transferred into 3s…

Q: A pure sample of compound X contains only carbon and oxygen in a mass ratio of 0.750 g C : 1.00 g O.…

A: A pure sample of compound X contains only carbon and oxygen in a mass ratio of 0.750 g C: 1.00 g O.…

Q: It is the type of analytical method that relies on the absolute stoichiometric equivalences of…

A: Instrumental methods: In this method quantitative and qualitative analysis of the analyzed is done…

Q: Volume occupied by electrons Nucleus Part A containing protons and neutrons- What is the approximate…

A: The diagram given is,

Q: Defend or refute the statement • The separation of a mixture may result in the production of an…

A: Mixture is a composition where two or more different components are mixed . The process of parting…

Q: A method of analysis yields masses of gold that are low by 0.4 mg. This method is used for analysis…

A: The relative error is (mass loss/Total mass )x 100. Based on above detail solution is provided…

Q: What are advantages and limitations of different types of modelling? (modelling with experiments,…

A: In chemistry there are many ways to check the deviation of experimental data from the accurate…

Q: 1. Water and sodium chloride are both considered substances as well as compounds, but water exists…

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Q: 1. Give an example to applications of chemistry in engineering

A: Chemistry is used in the field of engineering directly or indirectly.

Q: What is the law of definite composition? And what are some examples of matters that obey this law?

A: The law of definite composition states that any chemical compound will always contain a fixed ratio…

Q: Consider One Particular Issue in Our Society (for instance: industry, etc.,) and Describe and…

A: Industry It is an organization that provides and supplies goods and services. It could be primary,…

Q: What is the volume of water graduated cylinder mass = 75.00 water mass = 45.00, water +bic mass =…

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Q: What is the process that allows you to take measurements of mass and volume and determine the…

A: Answer: Mass Determination: To determine the molar mass of an unknown metal chemically, first, we…

Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.