Explain why HF is a weak acid, whereas HCl, HBr, and HI are all strong acids.

Q: Explain why nitrogen can form compounds with many different oxidation numbers.

A: The electron configuration of nitrogen (N) is [He]2s22p3. Nitrogen has half-filled p orbitals…

Q: How much heat is absorbed (in kilojoules) during production of 127 g of NO by the combination of…

A: The equation for formation of Nitric Oxide from Nitrogen and Oxygen is given as:12N2 (g) + 12O2 (g)…

Q: Describe the basic properties of Chlorite.

A: Silicon is the element of group-14 of the periodic table. It forms a variety of inorganic compounds…

Q: Why does phosphorous acid form only two series of salts, even though the molecule contains three…

A:

Q: What are the Hydrogen Halides?

A: Hydrogen halides has to be defined.

Q: What is the oxidation number of H in NaH?

A: Given :-  Chemical formula = NaH  To determine :-  Oxidation number of H in NaH

Q: Why is there objection in the use of Hydrogen Sulfide in group cations?

A:

Q: Why is hydrogen so reactive?

A: The reason for, hydrogen is so reactive has to be given.

Q: Explain the relationship between the number ofelectrons in the halogen and the boiling point.

A: Halogens are electron rich. On moving top to bottom in the group, the number of electrons of an…

Q: NaF and CaO.Which has the higher melting point and why?

A: The compound which has  the higher melting point has to be given,

Q: U, NH, 14.) The shown reaction is an example of:

A: Li (or) Na metal in liquid ammonia is called birch reagent it is used for reduction. Alkynes upon…

Q: What are the negative effects of sulphur oxides on environment?

A: Sulfur oxides are produced from burning of fossil fuels and smelting of iron.

Q: Write a balanced chemical reaction for the reaction of zinc with iodine, assuming that zinc and…

A: Balanced chemical equation is defined as a chemical equation in which the product side and the…

Q: Write the balanced equation for the reaction of nitrogen with hydrogen to form ammonia

A:

Q: ----_is not an example of acceptor atom. a. phosphorus b. aluminum C. bismuth d. boron

A: Acceptor atom :-       An acceptor is a dopant atom that when added to a semiconductor can form…

Q: Explain why tin has a sn

A: Answer - first ionization energy - the first ionization energy of an element is the energy needed to…

Q: What mass of gaseous carbon dioxide can be absorbed by 1.00 kg of lithium hydroxide?

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Write a balanced equation for the decomposition of dinitrogen oxide gas to its elements

A: •The compound  dinitrogen oxide, NO2 consists of two different elements Nitrogen(i.e. N) and…

Q: What is the product of the reaction between sulfur and oxygen gas? b. Sulfur dioxide a. Sulfuric…

A:

Q: b. State the physical states of the halogens at room temperature and explain the trend.

A: Halogens are group 17 elements. Halogens are non metals in nature. Halogens are Fluorine, chlorine,…

Q: What are the types of Calcium Hydroxide?

A: Calcium hydroxide is having molecular formula Ca(OH)2

Q: Nitric acid and phosphoric acid are two major chemical products of the chemical industry. Describe…

A: The phosphoric and nitric acids are two major chemical products. There uses are shown as follows,

Q: Explain why sulfuric acid, H2SO4, which is a covalent molecule, dissolves in water and produces a…

A: When sulfuric acid is brought in contact with water, it starts behaving as a Bronsted–Lowry acid. It…

Q: Using equations, describe the reaction of water with potassium and with potassium oxide.

A: Potassium is an element that belongs to group 1 which are called active earth metals.Hence,Potassium…

Q: How does enthalpy relate to the isomerisation process?

A: The explanation is given below

Q: Having difficulty with writing balanced chemical reaction

A: Balanced chemical equation is defined as a chemical equation in which the product side and the…

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: write a balanced chemical reaction for the reaction of zinc with iodine, assuming that zinc and…

A: Both zinc and iodine are in solid form which means they exist as Zn and I2

Q: Why is HF a weak acid in water while HCl, HBr, and HI are strong acids?

A: There are various factors that affect the acidic strength of an acid, e.g., Bond strength Stability…

Q: Write the complete balanced equation for the precipitation reaction in aqueous solution of barium…

A:

Q: Why is Li best reducing agent where as Fluorine is best oxidizing agent ?

A: Reducing agents are the ones which helps in the reduction of other substances and itself gets…

Q: Write the chemical formula for sodium hydride

A: To write the chemical formula of a compound first write the name of cation and after this write the…

Q: Explain the reaction that occur between hydrogen and chlor

A: Given,

Q: tle Chemical Indicators. A picture of a chemical dicator. A chart listing atleast 3 different…

A: Chemical indicators are the substance which  are  used to identify acids and bases

Q: hy do oxides of phosphorus and sulfur have varied oxidation number?

A: The oxidation state of an element is the representation of the charge acquired by that element after…

Q: Why is red phosphorus less reactive than white phosphorus?

A: The allotropes of phosphorus are red phosphorus and white phosphorus. In red phosphorus as well as…

Q: What are the uses of chlorine is it used as refrigerant or explosives, what are the uses?

A: It is used to disinfect water and is part of the sanitation process for sewage and industrial waste.…

Q: Explain why phosphine, PH3, is less polar than ammonia?

A: The less polarity of PH3 than NH3 is discussed below,

Q: Out of white phosphorus and red phosphorus, which one is more reactive and why?

A: Allotropes are usually different structural modification of an element. White phosphorus and red…

Q: Give the important uses of sodium carbonate.

A: The inorganic compound that has the formula Na2CO3, which is white in color, and is water-soluble,…