. all true hminerals can be drawn into wires C. Luster D. Sectility A. Brittleness B. Ductility

Q: Predict the result of leaving the anhydrous crystals uncovered overnight.

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Q: A sample of carbon is initially at room conditions. What will be its form if it is to 400 atm and…

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A: Fractional distillation is a process by which components in a chemical mixture are separated into…

Q: How many significant figures are in each number?

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A: Introduction :  Percent yield of the reaction is the percent ratio of actual yield to the…

Q: The Rutgers Ecocomplex and Bio-Reactor landfill produces what fuel   A. Biodiesel   B. solid waste…

A: In a landfill, solid waste that is biodegradable in nature is kept under the ground for a long…

Q: What is the ionic strength of a 3:2 electrolyte with a concentration of 0.100 M? a. 1.8 M b. 1.5 M…

A:

Q: Which of the following is true about heavy metals and their environmental impact? O a. Coffee and…

A: A metal is a substance with a glossy look that conducts electricity and heat reasonably effectively…

Q: 6. Polyethene, aka Polyethylene, is what type of polymer? a. Addition b. Condensation C. Polyamide…

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Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. NaH, PhCH₂Cl DMSO Drawing…

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Q: Which substance CANNOT decolorize bromine water? a. Substance A b. Substance B c. Substance C d.…

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Q: 133 Tg О 1.33 х 1010 О 1.33 х 1012 О 1.33 х 108 g О 1.33 х 1014 Part D 1.5 dg -1 О 1.5 х 10g -6 О…

A: Given:-  C)  133 Tg  D)  1.5 dg  To convert : the above values in grams

Q: In its natural form,_______ is in the form o blue crystals.

A: The question is based on the concept of inorganic chemistry. We have to identify the compound whose…

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: In the production process of copper described by the Pyrometallurgical Smelting Method, __ is used…

A: Copper extraction refers to the methods in which copper is obtain from its ores. The conversion of…

Q: Refers to the process of breaking down of rock and minerals when exposed to atmosphere, water, acids…

A: We have to tell the name of the process of breaking down of rock and minerals when exposed to the…

Q: Nanostructures are from the breaking up of bulk materials a. The top down approach   b. The bottom…

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Q: نقطة واحدة نقطة واحدة can be heating and ......33 .reshaped is A. Thermoset. O B. Thermoplastic. O…

A: Thermoplastic polymer are those polymer which can be reshaped by changing the temperature is called…

Q: Please don't provide handwritten solution....   which of the following elements is essential to…

A: Proteins and nucleic acids are important component of our body. Proteins are made up of amino acid…

Q: of the following chemical laboratory practices are correct except    a. We should always weigh…

A: Which statement is wrong:

Q: Sublimation is preferred over recrystallization when you work with an amount of solid material to be…

A: There are many purification techniques. Sublimation and recrystallization are purification…

Q: What liquid is usually used and measured when calibrating glassware? a. Water with detergent O b.…

A: Answer What liquid is usually and measured when calibrating…

Q: actually removing:  a. all of the choices here are acceptable b. the impurities c. the oxides d.…

A: Magnesium ribbons contain a layer of magnesium oxide.

Q: Choose an example of polymorphs. a.graphite and graphine b.diamond and adamant c.pyrite and gold…

A: Polymorphism is the ability of a substance to crystallize into different crystalline forms. These…

Q: 5. Why must you dissolve the metal samples in the fume hood? (Select the best answer.) a. The metal…

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Q: . You found a weird ceramic material on the street and wonders if it might be ok to use in a medical…

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Q: Read each of the following to the correct number of significant figures. Note that laboratory…

A: A zero before decimal is not counted as significant figure if there is no non-zero number left to…

Q: The following pair of compounds can undergo an acid/base reaction. a) Identify the base and the acid…

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Q: The diamond could cut/scratch the glass, this is a manifestation of what property? a. hardness b.…

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Q: The maximum amount of carbon (C) that can be dissolved in austenite (y) is: 0.022 wt. % C 0.76 wt. %…

A: We have to tell the maximum amount of carbon that can be dissolved in austenite .

Q: is soluble in water. Its water solution is neutral. When the solid substance is heated, brown…

A: A is sugar as it given neutral solution and forms brown caramal on heating

Q: Depletion of soluble inorganic soil components from the upper soil layer. A. leaching B.…

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Q: Which of the following is the BEST reagent to coat a layer of silver on a spoon?   a. B b. D c.…

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Q: It is one question asking for two starting materials

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Q: What is used to test for chlorine? * A a glowing splint B damp litmus paper O C limewater

A: what is used to test for chlorine has to be given,

Q: Using the tensile test simulation tool (in the folder 7: Mechanical Properties of Metals), a.…

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Q: An emulsifier: A . to control insects and vermin b. produces and stimulates the production of CO2 c.…

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Q: Explain why Styrofoam a good is insulating material. Select one: a. Styrofoam is made of a polymer…

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Q: Draw the structural formula for hydrogen cyanide, HCN, and state the type of bonds in a hydrogen…

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Q: The material labelled X could be Select one: tim e a. amino acids. b. sodium ions. c. protein. d.…

A: Solution: The sodium-potassium pump is found in many cell (plasma) membranes.

Q: Which of the following is not a use of a crucible? Select one :…

A: Which of the following is not a use of a crucible? Select one :…

Q: 4. Preservatives that are usually found in cured meats, bacon, ham, corned beef and hot dogs. A.…

A: Concept based on Food preservatives and their uses.