Write the balanced equation for calcium carbide (CaC2) reacting with water to give off ethyne (acetylene) when reacted with water

Q: Graphene is a remarkable material with many potential uses, but there is evidence that ingesting it…

A: The statement given is "Graphene is a remarkable material with many potential uses, but there is…

Q: Explain how zeolites that contain sodium ions can be used to soften water.

A: Zeolites are often used to soften water

Q: Explain the Ethylene, C2H4, is a planar molecule, but hydrazine, N2H4, is not.

A: Ethylene, C2H4 has a double bond. Both carbons in C2H4 is sp2 hybridized. H-C-H bond angle is 120o.…

Q: Explain why the molecule (CH3)2N—PF2 reacts with BH3 at the phosphorus atom but reacts with BF3 at…

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Q: Calculate the mass of KI needed to saturate 111.11g H,0 at 20° C.

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Q: How is crude oil extracted from the earth's crust?     A. drilling and pumping B. burning C.…

A:

Q: After reacting with carbon, the silicon is a gas compound that is then purified by reacting with…

A: Answer - Polycrystalline Polycrystalline is used after receving with carbon the silicon is a gas…

Q: To form an addition polymer, what structural feature must the monomer possess?

A: Polymer can be defined as the chemical compound that is formed by the combination of one or more…

Q: How will you distinguish between addition and.condensation polymerization?

A: To distinguish between addition and condensation polymerization process.

Q: What molecular structural features cause high-density polyethyleneto be denser than low-density…

A: Please find below the structure of polyethylene  HDPE = high density polyethylene  LDPE = Low…

Q: Discuss the polymerization process of bone cement.

A: Bone cement is used as artificial joint . Bone cement is actually polymethyl methacrylate (PMMA).

Q: Explain, using intermolecular forces, why at room temperature, petrol (mainly octane, C8H18) is a…

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Q: Define the term biodegradable?

A: Fuel fertilizer, compost, and biogas are all made from biodegradable waste. Biodegradable waste…

Q: Use curved arrows to show how calcium carbide reacts with water to give acetylene.

A: The formula of calcium carbide is CaC2 and it is used for the production of acetylene.

Q: In terms of intermolecular forces explain why the boiling point of Br2 (59C) is lower than that of…

A: Boiling point depends on the intermolecular forces. Boiling point will be higher for compounds…

Q: One of Prof Cunningham's former students wrote his doctoral dissertation about a new technology to…

A: From the given data,

Q: hey are long chain molecules b) they contain covalent bonds c) the molecules are interc

A: Polymers are formed by joined monomeric units together. They are used in the formation of a number…

Q: Process involved in the laboratory preparation of acetylene *

A: Acetylene formula is C2H2  in this Hybridisation of carbon is sp (50%s + 50%p character).

Q: why does Magnesium oxide have high thermal conductivity but low electrical conductivity?

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Q: What happens to the blade as it was placed on water, kerosene, and ethanol? Differentiate them. Why…

A: Surface tension is caused by the effects of intermolecular forces at the interface. Surface tension…

Q: Carbon dioxide (CO2) and methane (CH4) exists as gaseous substances at room temperature. But dry ice…

A: We know solid CO2 is known as dry ice.when CO2(g) at high pressure and low temperature the gaseous…

Q: How is crude oil extracted from the crust? and what is the difference between asphalt and bitumen?

A: Crude oil (petroleum) is a black liquid that contains a mixture of combustible hydrocarbons and…

Q: Fill in the following blanks with appropriate sentences. 1. The process of moving oil from one…

A: To fill in the blanks:  1. The process of moving oil from one region to another is called…

Q: Why do industrial hydrocarbons have different physical properties? Does these properties play a role…

A: Hydrocarbon is a class of organic chemicals made up of only the elements of Carbon and Hydrogen. The…

Q: what is vulcanized rubber ? explain the process of vulcaniztion.

A: A natural polymer of Isoprene (2-methyl-1,3-butadiene) is known as Rubber.  It is a linear and…

Q: Chemical formulas and reactions for water treatment using Chlorine, chlorine dioxide, sodium…

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Q: Draw the structure of Na2S4O6 and what is O.N of sulphur in this compound?

A: The structure of Na2S4O6 can be drawn as follows:

Q: What are n-type semiconductors?

A: A n-type semiconductor is defined as a type of extrinsic semiconductor which is doped with a…

Q: Which of the following are related to the boiling point of a compound O Crystal structure…

A: Crystal structures, intermolecular forces, heat capacity in the liquid phase, molecular weight, heat…

Q: Write about high density polyethylene and low density polyethylene and their advantage and…

A: The answer to the folowing question is-

Q: What is polymerization and name two types of polymerization and describe them

A: Polymers: These are the chemical substances that consist of macromolecules made from smaller…

Q: How does the Mineral Family- Halides is used in everyday life and in Engineering activities

A: Answer - Mineral Family- Halides - Halide mineral, any of a group of naturally occurring inorganic…

Q: Which of the following is most suitable for crosslinking Si-O-Si chains in silicone polymers?…

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Q: Write the Lewis dot structure for dicarbon tetrahydride.

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Q: Synthetic rubber is prepared from butadiene, C4H6. How many monomers are needed to make a polymer…

A: 1mole buta-di-ene have 1.18×105g Molar mas = 30 So mole of buta-di-ene= mass/molar mass 1.18×105÷30…

Q: Will ethanol react with Ferric Chloride? How about Butanol? Why so?

A: Answer - The ferric chloride test is used to test for the presence of aromatic compounds. Ethanol…

Q: oxygen saturation How different elements are contained in a molecule of tetrodotoxin? What are the…

A: In the given question we have to identify the different types of element present in a molecule of…

Q: write the condense structure of the following

A: The condensed structural formula of any compound is written without showing the bonds in between the…

Q: How does the carbon-atom hybridization change when polyethylene is prepared from ethylene?

A: When polyethylene is prepared from ethylene, the hybridization changes from sp2 to sp3. In ethylene,…