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: Metals are both malleable and reactive. Which statement correctly describes these two properties of…
A: a element is said to be metal if it easily donates electron, its ionization energy is low .
Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A SA 6A 7A…
A: Two species are iso electronic when they have same number of electron thus have electronic…
Q: Why is understanding of chemistry important to the study of human anatomy and physiology
A: Chemistry Chemistry is a branch of science that involves the study of the composition, structure…
Q: 34. Sodium (s) + Magnesium lodide (aq) → Sodium lodide (aq) + magnesium (s) a&b: C: d:
A:
Q: What is the role of sodium and chloride ions in this experiment
A: A spectator ion is an ion that exists as a reactant and a product in a chemical equation. and it…
Q: Calculate the surface area in nm^2 of water contained in a watch glass with a diameter of 9.0cm. The…
A: Given,Diameter = 9.0 cm
Q: Peter, James, and John performed an experiment on acids, bases, and solvents inside the laboratory.…
A: Given: Peter, James and John handling aqua fortis, caustic potash and acetone respectively inside…
Q: Stock Method Classical Method Ex. CuI - Copper (I) Iodide Cuprous Iodide Chemical Formula Stock…
A: Naming stock system: * Some methods as basic binary compounds , except we need to know which cation…
Q: carbon atom has a radius of 77 picometers. Calculate the volume of a carbon atom in cubic meters ().
A:
Q: PART 2-LABORATORY HAZARDS EXPLANATION HAZARD
A:
Q: List and Define kinds of samples according to size:
A: This is a question from Analytical Chemistry. Sample size means amount of sample taken for analysis.…
Q: is soluble in water. Its water solution is basic. When solid substance is heated, its volume expands…
A: Given: D is soluble in water. Its water solution is basic. When heated, its volume expands and…
Q: Complete the following tables.
A:
Q: IDENTIFY THE LAW OF CHEMICAL COMBINATION
A: 1. The ration of X to Y will be 0.5 because as per law of equal proportion, percent composition by…
Q: Describe the PHYSICAL PROPERTIES of the following Specifically, what type of matter is this? (e.g.…
A:
Q: substances have a definite and unchanging chemical composition. Examples of substances are salt,…
A: Substance have a definite and unchanging chemical composition. Examples of substances are salt,…
Q: Which of the following variables does absorbance not depend upon? A. Molar absorptivity of the…
A:
Q: 46.) Which statement is correct a. Sugar is a good conductor b. NaCl is a good conductor c.…
A: Electricity is conducted by charges, it can be electrons or ions. The material that can be…
Q: 2. What measurements might you record regarding water samples to assist with the quantification…
A: Q2) The analysis of water samples are done to know the water quality of the water.
Q: Complete this sentence THe electrical conductivity of a sample will when the size of the…
A: When a Voltage is applied to the electrode dipped intoan electrolytic solution , ions of the…
Q: A heterogeneous mixture has uniformly distributed particles has not a uniform composition throughout…
A: Heterogenous mixture is the mixture in which the composition is not uniform throughout it means…
Q: magnesium carbonate pentahydrate sodium sulfate decahvdrate
A: To write the formula for the given hydrates
Q: 2 .What is the 2nd most prevalent element in soil (name, not symbol)? 3. What is the name of the…
A:
Q: amount of heat lost with respect to time the composition with respect to time amount of heat lost…
A: Relationship generated in a cooling curve:
Q: 3) Na is present in seawater as 1.25 g Na/kg seawater. What volume of seawater as in liters(L),…
A:
Q: ____________ makes up the majority of oil use, with gasoline and diesel fuel being the most common…
A: Petroleum is a naturally occurring substance which is composed mainly of aliphatic hydrocarbons.…
Q: what is the balanced chemical equation for potassium nitrate mixed with sodium chloride in water?
A: When Potassium nitrate (KNO3) is mixed with Sodium chloride (NaCl) in water, it gives Potassium…
Q: Which one of the following is not included as s block elements? A)Sodium B)Calcium C)Barium…
A: Given, A)Sodium B)Calcium C)Barium D)Copper
Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A SA 6A 7A…
A: Isoelectronic species are the species having same electrons. Electron of Cl- = (17+1)= 18e-…
Q: Write a discussion on the topic of chemical identity by a conductivity test and melting point test?
A: The conductivity test refers to the test where we test the conductivity of a given substance.…
Q: BaCl2٠2H2O What is the mass salt? What is the mass water? What is the mass percent?
A: Ans
Q: Use the data below to determine the mmoles of sodium oxalate to 2 decimal places. (MM sodium oxalate…
A: Consider the given information is as follows; Mass of sodium oxalate = 0.093 g Molar mass of sodium…
Q: One mole of silicon (6 x 1023 atoms) has a mass of 28 grams, as shown in the periodic table on the…
A: Given :- Mass of 6 × 1023 atoms = 28g Density = 2.4g/cm3
Q: 1- lopper and nitric acis Porassium ioaize
A: "Since you have asked multiple questions, we will solve the first question for you ( as per our…
Q: A student needs to identify an unknown substance found in the lab based on its physical properties.…
A: We are given physical properties like mass and volume and density data, and we have to identify the…
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: More than 40% of the world's population has limited access to clean water. One proposed method for…
A: Reverse osmosis is a technique which is used to remove or separate the salt from the saltwater…
Q: 1. SC.912.P.8.2 - Discuss volume, compressibility, density, conductivity, malleability, reactivity,…
A: When a mixture(or a pure substance) has a single phase in it, it is called homogenous system. When…
Q: In simple terms, what is the difference between a theory and a law
A: Theory and laws are interrelated . Law According to science , law is generalised statement based…
Q: Graphene is a __________? a. metallic nanomaterial b. carbon nanomaterial c. quantum dots d.…
A: Graphene exist as single layer of atoms arranged in two dimensional lattice.
Q: Water softening is necessary to prevent clog in plumbing and prevent formation of scum in bathrooms…
A: Chemistry can be defined as the branch of science that deals with the study of properties of matter.
Q: Discuss 5 advantages and disadvantages of palm oil source of oleochemicals in Malaysia.
A: Advantages of palm oil source of oleochemicals in Malaysia. 1) Malaysia contributes about 20% to the…
Q: What is polarity in chemistry
A: It is a physical property of compound which relates other physical properties such as melting point,…
Step by step
Solved in 2 steps
- What is polarity and how is polarity related to how chromatography works?Complete this sentence THe electrical conductivity of a sample will when the size of the samples increases A .decrease B. stay the same c. increase D.be unable to be determinedIt is a type of mixture with particles evenly scattered in a dispersed medium without settling down