Main-group elements Match with the correct main-group element. Use each choice in only one answer. This element is commercially extracted through an electrolytic reduction of its oxide. aluminum It is used as to provide an inert atmosphere for manipulation of air- and moisture-sensitive substances. nitrogen Its elemental form is a hard, high melting, network of covalently bonded atoms. boron One of its oxyacids is the most important chemical substance in industry. phosphorus + One of its allotropes ignites on contact with air and is extremely reactive due to its strained bonds. sulfur

Q: Which of the following reactions would be an example of nitrogen fixation? Multiple Choice O 2 NO(g)…

A: Nitrogen fixation is a biological process and it is the  the initial stage of the nitrogrn cycle. It…

Q: Germanium can react with chlorine to form one of two possible compounds, one of which is GeCl2

A: Germanium is a P block element which belongs to group 14 or carbon family.

Q: Would you expect powdered solid aluminum to act as an oxidizing agent or as a reducing agent?

A: In acidic medium, In basic medium,

Q: Part A) Draw the Lewis dot structure for SiO44−. Use square brackets to denote the overall charge.…

A: Lewis dot structures represent the bonding between atoms or molecules with lone pairs on them.

Q: Use Scenario 2C. What is the competitive price of a permit to emit 1 cubic foot of carbon monoxide?

A: Scenario 2C. What is the competitive price of a permit to emit 1 cubic foot of carbon monoxide? How…

Q: Describe the difference between regular charcoal and activated charcoal.

A: Charcoal is formed by burning carbon containing compounds under limited supply of oxygen.

Q: how is shale gas bad for the environment

A: Shale gas is 80-90 percentage made of CH4 .

Q: Write a brief summary of what happens when potassium hydroxide is added to aluminum foil

A: ALUMINIUM DISSOLVE IN STRONG BASES LIKE  NaOH,KOH

Q: Fertilizers commonly contain compounds of which element? a) nitrogen b) aluminum c) fluorine d)…

A: Fertilizers are the chemical substances that provides to the crops or plants to increase their…

Q: Why do some substances burn in fluorine gas even if they do not burn in oxygen gas?<

A: In most of the combustion reactions, the substance reacts with oxygen.

Q: Why hydrogen sulfide needs to be removed in acetylene gas by passing through copper sulfate?

A: Preparation of acetylene:

Q: Explain the process of fixing nitrogen.

A: Nitrogen fixation is the process of converting atmospheric nitrogen in the form of ammonia.…

Q: draw the structures of nitrous oxide and nitric oxide.

A: The structure of nitrous oxide is drawn as,

Q: How many moles of Hydrogen gas will be produced if you start with 2.5 moles of Magnesium and an…

A: Given, The balanced chemical equation :-              Mg + 2HCl --> MgCl2 + H2  We need to find,…

Q: What would be a better source of hydrogen: Water, Fossil Fuels or Calcium Hydride? Justify your…

A: Currently, most hydrogen is produced from fossil fuels, specifically natural gas. Hydrogen…

Q: How is oxygen prepared from air? Explain and elaborate

A: Given oxygen prepared from air

Q: Write and balance the equation for the following descriptions: 50) Potassium reacts with water…

A:

Q: give the chemical react ion of Sodium and magnesium with Air, water and chlorine

A: (1) When sodium reacts with air , it forms sodium oxide and sodium peroxide - 4Na + O2 ----->…

Q: Which material decomposes in reaction with acid?   Question 6 options:   NaCl…

A: The question is asking which of the given materials will decompose when it reacts with an acid.…

Q: Discuss about the Production of Hydrogen?

A: To find: The discussion about the production of hydrogen

Q: Discuss Carbon Dioxide in 200 words. Please

A: The atmospheric air consists of 78% of nitrogen, 21% of oxygen. Nitrogen has the highest…

Q: Nitrogen in the atmosphere exists as very stable diatomic molecules. Why does phosphorus form less…

A: Nitrogen and phosphorous belong to group VI A in the periodic table. They have a general valence…

Q: Describe how nitrogen can be separated from the other components of air.

A: The most common method used to separate nitrogen from air is called fractional…

Q: Write the net chemical equation for the production of nitric acid from nitrogen, hydrogen and oxygen

A: The steps in the production of nitric acid are as follows:Multiplying equation (2) by 2:

Q: Explain the chemical bonding between Lithium and Nitrogen using Lewis electron dot structure.

A: The lewis structure of a molecule describe the distribution of valence shell electrons around each…

Q: Directions: Balance the following chemical equation: 1. SiCl4 + H2O → SiO2 + HCl

A:

Q: What is the difference between green hydrogen, blue hydrogen, and grey hydrogen? Discuss the methods…

A: Green hydrogen, blue hydrogen, and grey hydrogen are terms used to describe different methods of…

Q: Name the major source of the element oxygen and describe how it is produced.

A: Oxygen is an inevitable element for the existence of living thing on earth.

Q: What is white phosphorus?

A:

Q: What does hydrogen have in common with the halogens?Explain.

A: The periodic table gives the tabular arrangement of elements arranged in increasing order of the…

Q: Importance of carbon dioxide academically, personally, and to the society?

A: Carbon dioxide is essential for internal respiration in a human body. Internal respiration is a…

Q: How Hydrogen is synthesized in the laboratory and at an industrial level.

A: Hydrogen(H2) can be synthesized in the laboratory as well as in industries by the following methods.

Q: Part A How many significant figures are in each number? 0.1 s 4 1 3 6. 7 The number of significant…

A: All the zeros after decimal are not counted as significant figures if there is no non-zero number…

Q: What is the chemical equation for the reaction of hydrogen peroxide and KMnO4?

A: The chemical equation for the reaction of hydrogen peroxide and KMnO4 has to be given,

Q: Which of the following statements about the nitrogen and phosphorus cycles is TRUE? The inorganic…

A: The inorganic forms, N_{2}, N*O_{3} , NH 4 ^ + and PO 4 ^ 3- are readily taken up by all plants and…

Q: Which of the following elements will not form metallic hydride when react with hydrogen? a)…

A:

Q: When chlorine is bubbled through a colorless aqueous solution containing bromide ions, the solution…

A: The balanced equation for the reaction of chlorine bubbled through aqueous solution containing…

Q: What is the main source of pure nitrogen? Air Water O Dirt Plants

A: We have been asked the main source of nitrogen and  we also have been given four options air, water,…