why water(H2O) is so special that it is responsible for life on earth?

Q: Complete and balance the following reaction as written. What are the products after balancing the…

A: Since in reaction it is given that we have only 1 HCl  Hence only 1 H+ will react with 1 OH- forming…

Q: If H20 is water, H2O2 is hydrogen peroxide, then what is H2O.

A:

Q: When conducting the electrolysis of water, two gases are formed.  Which of the statement is false?…

A: Electrolysis is a process in which electrical energy is converted to chemical energy.

Q: How many moles of KOH are produced from 12.0 mol of H₂0?

A: Ans  Reaction of water with K  K  + H2O ------------>> KOH  + H+ So one mole of H2O produced…

Q: C6H12O6+ O2 → CO2 + H2O + Energy   Questions: 3. How many grams of oxygen are needed to produce…

A: Glucose reacts with oxygen to form carbon dioxide, water, and energy. The equation for the balanced…

Q: What is an extensive property? What is an extensive property of oxygen?

A: Extensive property is the property which depends upon the amount of matter or mass. Mass, volume,…

Q: What does the term Oxyacid mean in technical language to chemists? What are the similarities and…

A: A question based on general chemistry that is to be accomplished.

Q: Write the balanced equation for the synthesis of water. If we used 1.3 g of hydrogen with excess…

A: 2 molecules of hydrogen combined with one molecules of oxygen from 2 molecules of water.

Q: What forms when the oxides of pollution react with water? O acid rain O carbon dioxide O kerogen

A: The sulphur oxides and nitrogen oxides are common oxides which causes pollution.

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 can this effect be achieved through CO2 or dry ice? What does LPG stand for? How can a gas be…

A: The process of liquefying a gas, which transforms it from a gas to a liquid, is known as the…

Q: MCQ 102: In chlorination of water, reactive oxygen atoms are produced by A. Cl, + H,O B. H,CO, С.…

A: Cl2 and H2O reacts to form oxygen and hydrochloric acid. In presence of sunlight the reaction occurs…

Q: Why would you say that Space Shuttles rather use hydrogen as its primary fuel source?

A: The Space Shuttle was a partially reusable low earth orbital spacecraft system.  It is operated by…

Q: 22. Which of these elements are the primary components in "hard water"? I. magnesium II. iron III.…

A: Here, we have to find the elements that are the primary components in "hard water".

Q: 44. Explain why the diatomic nitrogen atom is unusable by most plants. Where do plants get nitrogen?

A: The strong triple bond in molecular nitrogen renders it unusable by plants. In order to be used as…

Q: MCQ 104: When calcium oxide is burned with clay its makes A. cement B. steel C. calcium carbonate D.…

A: Cement is formed when calcium oxide is burned with Clay .  clay( SiO2)  is used as a binder.

Q: How is the process of producing purified water? Step by step and what machine or equipment to used…

A: Water is an essential substance which is composed of hydrogen and oxygen. It exists in 3 forms, viz.…

Q: Write an equation to show that nitrous acid , HNO2 , behaves as an acid in water. ____ + H2O → ____…

A: Acid is the one that donate H+ ion to the aqueous solution and form anion.

Q: 10.105 Complete and balance each of the following: (10.7) a. ZNCO3(s) + H,SO,(aq) b. Al(s) + HBr(aq)

A: Active metal react with acid give hydrogen gas

Q: What are the types of Calcium Hydroxide?

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

Q: When 0.2 moles of Ca reacts with 880 grams of water, 4.48L of hydrogen gas form. How would the…

A:

Q: How many grams of lithium oxide must be carried on board to remove 80.0 kg of water?

A: Given, The amount of water = 80 Kg The chemical reaction of lithium oxide and water is; Li2O(s) +…

Q: Like CO2, water has two polar bonds but unlike CO2, water is polar overall. Explain why this is so?

A: Since we know that the molecular geometry of CO2 is Linear  and H2O is bent .

Q: What mass of water can be produced from 10.0 g of hydrogen gas? O 10.0 g 18.0 g O 45.0 g 90.0 g None…

A: This problem can be solved via Stoichiometry and finding  out moles of Hydrogen .

Q: Between which regions of the biosphere does carbon exchange most quickly? Select the correct answer…

A: biosphere is defined as the area between the earth surface and atmosphere of earth

Q: What is formed when hydrobromic acid, HBr, and calcium hydroxide, Ca(OH)2, are combined

A: Given-> Reactants -> HBr , Ca(OH)2

Q: how does calcium react in space? im doing this for a project thats happening in nc where kids can…

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: Explain why hydrogen sulfide is a gas at room temperature, whereas water, which has a lower…

A: In chemistry physical properties and chemical properties depends on the type of bond formed between…

Q: importance

A: Iodine is a micro mineral and is needed in the cattle diet it is a unique mineral and its deficiency…

Q: Why is carbon monoxide considered to be poisonous?

A: Carbon monoxide has a carbon triply bonded to an oxygen. It exists as a flammable gas with no odor…

Q: Heating and cooling of iodine, l2. (i) What happened when the iodine was heated in the test-tube?.…

A: (i) The element iodine present as a black-bluish solid at room temperature.  When iodine in the test…

Q: Sulfur dioxide is a toxic sulfur compound. List one natural source and one industrial source that…

A: Sulfur dioxide (SO2) is toxic sulfur compound.

Q: What is the lewis structure for SiO2?

A:

Q: why halogens are highly volatile in nature?

A: Boiling point of a molecule depends upon the intermolecular force present in it. If the…

Q: What sulfur-containing molecule forms sulfuric acid when it reacts with H2O?

A: Sulphur trioxide reacts with water to form sulphuric acid.

Q: Can HCl be used in the place of sulfuric acid to synthesize Alum? Why or why not?

A:

Q: How is sodium carbonate prepared and explain the process.

A: Sodium carbonate is also known as washing soda. Its chemical formula is Na2CO3. It is used in the…

Q: 1. How is the crystal formed? 2. Is it beneficial or harmful to man or both? Discuss how it is…

A: The process by which a solid form, where the atoms or molecules are highly organized into a…

Q: How many grams of sodium are needed to release 4.0 L of hydrogen from water? 2 Na + 2 ?20 2 NaOH +…

A: The reaction for production of hydrogen gas from water usingsodium metal is given as:2 Na + 2 H2O →…

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: MCQ 109: In nature, Magnesium Oxide (MgO) is A. acidic B. alkaline C. catalyst D. neutral

A: Magnesium is an element placed in group 2 of the periodic table. It is a metal and on combining with…

Q: Write chemical equations for each of the following chemical and physical processes: (a)…

A: A chemical equation represents the conversion of a reactant to the product. But the number of atoms…

Q: Why are human activities that release carbon dioxide into the atmosphere causing concern?

A: Given, Why are human activities that release carbon dioxide into the atmosphere causing concern