Answers about Chemistry
A piece of aluminum foil typically exhibits a metallic luster. This shiny, reflective surface is characteristic of metals, allowing it to reflect light effectiv
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Chemistry
Which process involves Polyethylene glycol?
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Polyethylene glycol (PEG) is commonly used in various processes, including drug formulation and protein purification. In drug formulation, PEG acts as a solvent
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Chemistry
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If you wanted to find the chemical element of an atom?
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To identify the chemical element of an atom, you need to determine its atomic number, which is defined by the number of protons in its nucleus. Each element has
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Chemistry
How many moles are there in 17.75 g of chlorine gas?
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To find the number of moles in 17.75 g of chlorine gas (Cl₂), first determine the molar mass of Cl₂. Chlorine has an atomic mass of approximately 35.45 g/mol, freelance web designer kuala lumpur s
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Chemistry
How make a dilution of guanidine isothiocyanate?
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To make a dilution of guanidine isothiocyanate (GITC), first prepare a stock solution at the desired concentration by dissolving the solid in a suitable buffer
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Chemistry
Why solution is boiled just before reaching the second equivalence point?
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A solution is typically boiled just before reaching the second equivalence point to ensure that any remaining reactants are fully reacted and to eliminate exces
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Chemistry
What number is the reactivity of bleach?
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The reactivity of bleach, specifically sodium hypochlorite (NaOCl), is often measured in terms of its oxidation potential rather than a specific numerical value
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Chemistry
What critical determines whether something is a driving distraction?
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A driving distraction is critically determined by its ability to divert a driver’s attention away from the primary task of driving, which can impair their focus
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Chemistry
What is the purpose of hot pass?
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A hot pass is a technique used in welding to maintain the temperature of a weld joint, ensuring proper fusion and penetration. It involves making a preliminary
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Chemistry
What set of hybrid orbitals is used by Xe in XeO3F2?
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In XeO3F2, xenon (Xe) utilizes sp³d hybridization to form its hybrid orbitals. This hybridization allows for the formation of five equivalent orbitals, which ac
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Chemistry
Why do you need to use excess Benedict’s reagent if you want to get an idea of the concentration of a sugar solution?
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Using excess Benedict’s reagent ensures that all the reducing sugars in the solution react, allowing for a complete reaction. This is important because it preve
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Chemistry
What happens when you mix soap and bicarbonate?
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When you mix soap and bicarbonate (baking soda), a chemical reaction occurs that can produce carbon dioxide gas, causing fizzing or bubbling. The soap helps to
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Chemistry
What are homogeneous and none-homogeneous soil colours?
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Homogeneous soil colors refer to soils that exhibit a consistent color throughout, indicating uniformity in mineral content and organic matter. In contrast, non
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Chemistry
Can a thermos flask stopper leak air?
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Yes, a thermos flask stopper can leak air if it is not sealed properly or if the gasket or sealing mechanism is damaged. This can compromise the insulation prop
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Chemistry
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How do two isotopes of oxygen’s-18 and oxygen’s-18 differ from each other in structure?
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Oxygen-16 and oxygen-18 are both isotopes of oxygen, differing primarily in their neutron count. Oxygen-16 has 8 neutrons, while oxygen-18 has 10 neutrons. Alth
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Chemistry
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What is Chemical Symbol of Chlorine Molecule?
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The chemical symbol for a chlorine molecule is Cl₂, indicating that it consists of two chlorine atoms bonded together. Chlorine is a diatomic molecule, meaning
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Chemistry
How does the author illustrate that the town would be negatively affected if the factory was to close?
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The author illustrates the town’s potential decline by highlighting the economic reliance on the factory, noting how its closure would lead to job losses and re
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Chemistry
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Would an alcoholic cola drink turn red litmus paper blue?
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No, an alcoholic cola drink would not turn red litmus paper blue. Red litmus paper turns blue in the presence of a base, while cola drinks are typically acidic
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Chemistry
Why does sugar form clear solution but soap forms cloudy solution?
Asked by Anonymous
Sugar dissolves in water to form a clear solution because its molecules interact well with water molecules, allowing them to disperse evenly without affecting t
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Chemistry
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What is this formula called N2H8SO4?
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The formula N2H8SO4 represents a compound known as hydrazine sulfate. It consists of two nitrogen (N) atoms, eight hydrogen (H) atoms, one sulfur (S) atom, and
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Chemistry
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Is red litmus paper Noah?
Asked by Anonymous
Red litmus paper is not Noah; it is a type of pH indicator used in chemistry to determine the acidity or basicity of a solution. When exposed to a basic solutio
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Chemistry
Can polypropylene insulate electricity?
Asked by Anonymous
Polypropylene is a good electrical insulator, meaning it can effectively resist the flow of electric current. Its low dielectric constant and high dielectric st
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Chemistry
How thechemist count the particles for a certain subtants?
Asked by Anonymous
Chemists count particles in a substance using the concept of the mole, which is defined as (6.022 imes 10^23) entities (atoms, molecules, or ions) per mole.
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Chemistry
Who were the scientist and what did they do to contribute to chemistry john Dalton Dimitri mendeleevniels Bohr Ernest Rutherford Erwin Schrodinger?
Asked by Anonymous
John Dalton is known for developing the atomic theory, which proposed that matter is composed of indivisible atoms and laid the groundwork for modern chemistry.
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Chemistry
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Ph solutions pH 3.0′ pH4.0 and pH 6.7 She finds that all the startch is broken down fastest at pH 6.7 how would you justify these findings?
Asked by Anonymous
The breakdown of starch is facilitated by enzymes, such as amylase, which typically function optimally at specific pH levels. At pH 6.7, the neutral environment
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