The rusting of iron is due to its reaction with oxygen. An iron nail weighing 8.531 g was left outdoors for a period of one year. After the one year it was found to have a mass of 12.197 g. How many grams of oxygen did the nail react with?

Q: Iron(III) chloride is used to treat drinking and waste water. It can be made by reacting iron with…

A:

Q: A 0.181 g piece of solid aluminum reacts with gaseous oxygen from the atmosphere to form solid…

A: The reaction of aluminum with gaseous oxygen can be expressed as,                        4 Al + 3 O2…

Q: Questions 1.39

A: The reaction is as follows,

Q: When aluminum metal reacts with HCI(aq), the products formed are AICI3(aq) and hydrogen. If 2.326…

A:

Q: The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure…

A: According to the Archimedes principle, the volume of any solid submerged in water water is equal to…

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A: Simple use of unitary method to solve this problem

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Q: A chemist measures the amount of fluorine gas produced during an experiment. He finds that 495. g of…

A:

Q: Ammonium phosphate ((NH,),PO4) is an important ingredient in many fertilizers. It can be made by…

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Q: Ethanol fuel mixtures have "E" numbers that indicate the percentage of ethanol in the mixture by…

A:

Q: A chemist determines by measurements that 0.075 moles of bromine liquid participate in a chemical…

A: Given value -  Moles of Br2 = 0.075 moles, Molar mass = 159.808 g mol-1  Then,

Q: What is the mass of a golf ball traveling at 82.0 ms 1? The rest mass of a golf ball is 45.9 g, as…

A:

Q: What mass of iron in the nail reacted with the water?

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Q: 1. Every three times I clean my bedroom, my mother makes me an apple pie. If An apple pie requires…

A: Note: According to our guidelines we are supposed to answer only one question. Kindly repost other…

Q: Tin reacts with oxygen to form tin oxide. In a particular laboratory experiment in which oxygen…

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Q: During product recovery and washing, sodium carbonate is required to neutralize the acid present.…

A: The reaction between sodium carbonate and Sulfuric acid will be as follows…

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A: The mass of sulfuric acid has to be given. Density: A measurement of mass per unit volume.

Q: The quantitative significance of “take a deep breath" varies, of course, with the individual. When…

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Q: An antacid tablet weighing 0.938 g contained calcium carbonate as the active ingredient, in addition…

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Q: Ammonia (NH3) chemically reacts with oxygen gas (O2) to produce nitric oxide (NO) and water (H,O).…

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Q: Consider the following unbalanced chemical equation: Al + CuCl → Cu + AlCl3 If 72.8 grams of…

A: Balanced chemicalequation Au(s)  + 3 CuCl = 3Cu(s)+ AlCl3 Given  72.8 gram Cucl  moles of CuCl =…

Q: Imagine you are working in a lab, and you want to prepare a solution of cobalt(II) chloride. You…

A: Given the mass of unknown hydrate of cobalt(II) chloride, CoCl2.xH2O = 1.0096 g mass of CoCl2(s)…

Q: When butane is combusted, it reacts with oxygen in the air and forms carbon dioxide and water. If…

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A: Given, A patient is treated with hydroxychloroquine for malaria. The drug is given based on the body…

Q: Two samples of potassium chloride are decomposed into their constituent elements. One sample…

A:

Q: The combined mass of the flask, stopper, calcium chloride solution, test tube, and sodium sulfate…

A: Given:  Combined mass of the flask, stopper, calcium chloride solution, test tube, and sodium…

Q: What is 393.83 kJ/mol rounded to three significant figures?

A: Based on the significant figures rule, the number to be rounded off is followed by digit zero or…

Q: Under certain conditions, the substances iron and oxygen combine to form iron(II) oxide. If 22.0…

A: Iron reacts with oxygen to form iron oxide. Write the complete reaction. 2Fes+O2g→2FeOs This means…

Q: A chemist determines by measurements that 0.080 moles of iodine solid participate in a chemical…

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

Q: what is the mass of calcium carbonate reacted?

A: Given, Mass of marble before reaction 3.0g Mass of marble after reaction 1.8g

Q: What is the mass of a golf ball traveling at 71.8 ms1? The rest mass of a golf ball is 45.9 g, as…

A: 45.9 g is the answer

Q: A chemist determines by measurements that 0.075 moles of chlorine gas participate in a chemical…

A: Given: Number of moles of Cl2= 0.075 molmolar mass of Cl2 is = 71 g/mol

Q: The EPA limit for lead in bare soil for children’s play areas is 400 ppm by mass. A contractor is…

A:

Q: Suppose a student places a beaker on his balance and does not tare it. Then, he adds three…

A: Here you should understand that if you have nothing in the beaker it is the empty weight of beaker.

Q: 5) A student measures 10.5 mL of diethyl ether using a glass syringe. Given that the density of…

A: The question is based on the concept of physical chemistry. We have to calculate moles of ether…

Q: What is the mass (in kg) of 6.89 × 10^25 molecules of carbon dioxide?

A: Mass is a physical quantity which indicates the amount of matter present in a substance. Its units…

Q: Liquid octane  CH3CH26CH3  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide…

A: The above problem is based on the concept of limiting reagent. the balance chemical reaction is,…

Q: Under certain conditions, the substances iron and oxygen combine to form iron(III) oxide. If 23.6…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: The solubility of potassium chromate is 65.7 g per 100 g of water. In an experiment , a student had…

A: Given solubility of potassium chromate is 65.7 g per 100 g of water. Given volume of water is 762…

Q: A 13.0-g sample of X combines with a 34.0-g sample of Y to form the compound X Y 2 . What is the…

A: Law of Conservation of mass: According to the law of conservation of mass, mass can neither be…

Q: Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He…

A: In the experiment of Franklin, the mass of the reactant material is 35 g. But after the reaction,…

Q: Sodium chloride (salt) can be synthesized from sodium metal and chlorine gas. Na (s) + Cl2 (g) →…

A: 116.88 gram of NaCl will be formed.

Q: Question attached

A: The weight of 136 washers and number of washers in 118 g should be calculated.

Q: A piece of alminum foil contains 3.6 x 1021 aluminum atoms.  1) What is the mass of the aluminum…

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Q: The mole is a unit that counts things and it can be converted into

A: Mole is the unit of the amount used extensively in the calculation of chemistry. The mole amount of…

Q: The EPA limit for lead in bare soil for children’s play areas is 400 ppm by mass. A contractor is…

A: Parts per million or ppm is term used to express concentration. It is somewhat similar to weight…

Q: What is the mass of a golf ball traveling at 88.1 ms1? The rest mass of a golf ball is 45.9 g, as…

A:

Q: Liquid octane CH3CH26CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: A chemist determines by measurements that 0.095 moles of bromine liquid participate in a chemical…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".