True or False: Lightning passing through air produces small amounts of Nitrogen Oxide.

Q: 1. How many moles of oxygen would be required to react with calcium to produce 8 moles of calcium…

A: Calcium reacts with oxygen to form calcium oxides. We will first write the balanced equation, then…

Q: What mass of water is produced from the complete combustion of 4.00×10−3 gg of methane?

A: Given: Mass of methane=4.00×10-3 g To find: Mass of water

Q: Differentiate between calcium carbonate and calcium oxalate crystals.

A: Both calcium carbonate and calcium oxalate are alkaline earth metal salts.

Q: what mass of O2 is required to react to produce 20.0g of H2O?

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: Explain why the concentration of dissolved oxygen in freshwater is an important indicator of the…

A: Dissolved Oxygen or D.O is a measure of the amount of O2 dissolved in water (relatively). It…

Q: Write the balanced chemical equation for the combination (synthesis) reaction of magnesium with…

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Q: How many moles of carbon dioxide are needed to consume 5.2 moles of oxygen?

A: The answer to the following question is given as:

Q: How many grams of oxygen are required to produce 60.1 g of water vapor?

A: Moles of a substance can be given as the ratio of given mass of a substance to its molar mass. Given…

Q: 9. You may have noticed that water sometimes drips from the exhaust of a car as it is running. Is…

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Q: How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of Oxygen?

A: Mass of oxygen = 26.0 g molar mass of O2= 32 g mol-1 molar mass of H2O = 18 g mol-1 mass of water =…

Q: Explain Removal of sulfur dioxide from a gas stream?

A: The detailed process for the removal of SO2 from a gas stream includes the following steps: (i)…

Q: Why is oxygen soluble in water?

A: Dipole-induce dipole forces are very weak and play a role in solubility of oxygen into water. The…

Q: How many moles of oxygen would be produced by the decomposition of 75.0g of copper (II) nitrate?

A: Two moles of copper (II) nitrate undergoes decomposition to form one mole of oxygen gas according to…

Q: Discuss the environmental significance of dissolved oxygen.

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Q: The photo showed on May 6, 1937 of the explosion of the Hindenburg airship at Manchester Township,…

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Q: Is a solution of mercury II ions stable or unstable in water?

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Q: Explain why either greatly decreasing or increasing the percentage of oxygen in the atmosphere is…

A: Oxygen is a chemical compound that exists in gaseous state under normal conditions. This gas is…

Q: 18 22. How many H₂O molecules are contained in a glass that holds 250. g of H₂ g/mole?

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Q: Write the chemical equation involved in the preparation and standardization of silver nitrate

A: Silver nitrate AgNO3 is a very common inorganic compound. Here we have to write the chemical…

Q: Discuss the chemistry and classification of explosives

A: An explosive can be classified as a low or high explosive based on its rate of combustion. As, low…

Q: a) Magnesium Sulphate b) Sodium Chlorate c) Aluminum Nitrate

A: Ionic compounds: Ionic compound  Ionic compound composed of cation which is positively charged…

Q: mass

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Q: Explain why Nitrogen is produced from the top of the cryogenic distillation column while Oxygen is…

A: Nitrogen is obtained on the top while oxygen is obtained on the bottom if the column.

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

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Q: How many moles of calcium nitrate are needed to produce 0.850 gram of sodium nitrate?

A: 1 mole = 6.022×1023 ( Avogadro's number ) Anything which is in the number of 6.022×1023 is called 1…

Q: how many grams of oxygen are required to react with 10.0 g of C2H6

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Q: Which substance is injected in gas fuel to remove SO3 gas M9SO4.7H20 ; Mgo Mg

A: The substance which is injected in gas fuel to remove SO3 gas is

Q: how many grams of limestone must be reacted to produce 500 grama of lime

A: The Question is based on the concept of Reaction Stoichiometry. We have to determine how much…

Q: How many molecules of hydrogen gas are required to produce 15.0 g of water?

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: How many moles of water will form if 7.0 moles of NH3 is burned?

A: Given :- number of moles of NH3 = 7.0 mol  To be calculated :-  Number of moles of H2O

Q: complete and balance the following equation aluminum fluorine react to form aluminum fluoride

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Q: 6)a. Potassium permanganate c. Calcium carbonate e. Ferric carbonate

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Q: How many grams of water will be lost when 8.000 g of YBr3 .9H2O is heated?

A: The question is based on the concept of stoichiometry of reaction. first we write the balance…

Q: which is the major constituent of natural gas?

A: The natural gas is also known as fossil gas. This gas is a mixture of higher alkanes, methane,…

Q: Calculate the mL of oxygen produced from 0.475 g of potassium chlorate at STP. 2KClO3 ⟶⟶ 2KCl + 3O2

A: Given that : Mass of KClO3 = 0.475 g The molar mass of KClO3 is 122.55 g/mol

Q: How many moles of oxygen are needed to burn 6.022 x1024 molecules of NH3?

A: To solve this problem first we have to calculate the number of moles of ammonia in the given number…

Q: How many grams of NH3 can be produced from 12.4 g of H2?

A: By writing the balance chemical reaction and using the concept of mole mole analysis we can solve…

Q: Carbon monoxide gas is more dangerous than carbon dioxide gas. Why ?

A: Carbon monoxide, CO , is formed during incomplete combustion of hydrocarbons.

Q: How many moles of oxygen are required to completely combust 3.7 moles of C6H14? How many grams of…

A: Chemical Reaction =>  C6H14 + O2  -----> CO2 + H2O moles of C6H14 = 3.7 mol

Q: Ammonia gas is obtained by the reaction of nitrogen gas and hydrogen gas. Write a balanced chemical…

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Q: What is the typical concentration of oxygen in dry air?

A: Mixture of gases namely oxygen, nitrogen, carbon dioxide and traces of some other gases are present…

Q: How many liters of hydrogen gas are needed to produce 0.0130 mole of ammonia?

A: Recall the reaction between nitrogen and hydrogen to produce ammonia gas             N2g + 3H2g →…

Q: Why is nitrogen mixed in reactions involving combustible gases?

A: Nitrogen is mixed in reactions involving combustible gases beacause:

Q: Oxygen atoms can combine with Ozone to form oxygen:

A: Given,

Q: How many moles of NO2 would be required to produce 2.46 moles of HNO: in the presence of excess…

A: According to the reaction, to produce 2 mol of HNO3, 3 mol of NO2 is required.

Q: Calculate the molar mass of barium hydroxide octahydrate, Ba(OH)2•8H,O(s). (Hint: The molar mass of…

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Q: How many grams of hydrogen are needed to produce 1.82 g of water according to this equation? 2 H2 +…

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