I2 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl, + 4KI →2Cul + 4KCI + I, . (a) How many molecules of I2 are produced? (b) What mass of I2 is produced? 25

Q: How many grams are present in 2.4x1045 molecules of H2O2?

A: Given :- number of H2O2 molecules = 2.4 × 1045 molecules  To calculate :- mass of H2O2 (in grams)

Q: what mass of CO2 will be produced when 125 g of C8H18 react completely?

A: the balanced equation : C8H18 + (25/2)O2 = 8CO2 + 9H2O the balanced equation  with whole number:…

Q: 17. A fuel mixture used in the early days of rocketry consisted of two liquids, hydrazine (N2H4) and…

A:

Q: the following reactions of one mole of reactant, predict the product, including its structural…

A: ->H2 can reduce double bond and triple bond and form alkane.

Q: In the following chemical reaction, 2 mol of A will react with 1 mol of B to produce 1 mol of A2B…

A:

Q: Determine the theoretical yield of P2O5, when 3.07 g of P reacts with 6.09 g of oxygen in the…

A: As we know that , According to avogadro's law, "1 mole of every substance occupies 22.4 L at STP and…

Q: P+6NO P,0 + 3N, How many moles of N, can be produced if 2.24 x 1023 molecules of NO reacts with…

A: The reaction given in the question is as follows:  P4 + 6NO → P4O6 + 3N2 Number of molecules of  NO…

Q: A 13.2010g sample of hydrated zinc sulfate, ZnSO4 • xH2O), was strongly heated until no further…

A: For the reaction., ZnSO4 • xH2O ----> ZnSO4 + xH2O  Given Mass of ZnSO4 • xH2O = 13.2010 g Mass…

Q: Methanol (CH3OH) burns in air according to the equation 2CH,OH + 30 2C0, + 4H,0 If 209 g of methanol…

A:

Q: If a chemist reacts of 5.55 g of Cl2 gas with 3.88 g of solid P4 and produced 5.15 g of solid PCl5.…

A:

Q: In the complete combustion of C3H8O3, how many moles of carbon dioxide are produced when 23.0 grams…

A:

Q: 44. You are setting up a reaction between two chemicals that react according to the equation 3 A + 2…

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

Q: The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane…

A: Combustion reaction of octane 2C8H18 + 25O2 → 16CO2 + 18H2O From this Balanced chemical equation we…

Q: When ethane 1C2H62 reacts with chlorine 1Cl22, the mainproduct is C2H5Cl, but other products…

A:

Q: What is the mass of O in a sample of 70.09g of CO2?

A: Two or more elements are combined to form a chemical compound. Here C and O combine to form CO2…

Q: Ammonia is produced from the reaction of nitrogen and hydrogen according to the following equation:…

A: The values are given as follows:

Q: Given 90g of pure Fe2O3 calculate how many moles of iron(iii) oxide it contains

A: Given :- mass of Fe2O3 = 90 g  To be calculated :- number of moles of Fe2O3    number of moles =…

Q: the combustion of 0.0272 mole of a hydrocarbon produces 1.9609 g h2o and 3.5927 g co2. what is the…

A: Given,  Combustion of 0.0272 mole of a hydrocarbon produces 1.9609 g H2O and 3.5927 g CO2. Then,…

Q: Elemental phosphorus occurs as tetratomic molecules, P4. What mass of chlorine gas is needed to…

A: The reaction of P4 and Cl2 is

Q: before 1959, oxygen was popularly used to define the unit of mol. in 1967, the international…

A:

Q: Hydrogen is generated by passing hot steam over iron, which oxidizes to form Fe,O, , in the…

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Q: Consider the reaction 3X + 2Y 5C + 4D With excess Y, how many moles of X are needed to produce 23.00…

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Q: Iron reacts with oxygen gas to form a mixture of FeO and Fe₂O₃ when the supply of oxygen is limited.…

A: Calculation of no. of mol of Fe: n=given massMolar mass=20.00 g55.845 g/mol=0.3581 mol

Q: In 1997, at the United Nations Conference on Climate Change, the major industrial nations agreed to…

A: As per our guidelines we have allowed to answer the first three subpart for you. Kindly repost the…

Q: Elemental phosphorus occurs as tetratomic molecules, P₄.What mass of chlorine gas is needed to react…

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Q: For the reaction 2S + 30, 2SO, how many grams O, will react with 8.12g sulfur?

A:

Q: What mass of hydrogen peroxide (H2O2) must decompose to produce 65.88 g of H2O?

A: Given data: The mass of H2O = 65.88 g. To find: The mass of hydrogen peroxide (H2O2).

Q: In the reaction, CO (g) + 2H2 (g) → CH3OH (l)  a) Which reactant is the limiting if 356 of g of CO…

A: Given: 356 g of CO and 65.0 g of H2 are mixed and allowed to react. The balanced equation for the…

Q: How many grams of aluminum sulfide are formed if 22.00g of aluminum reacts with sulfur in a…

A: Mass of Al = 22 g Mass of Al2S3 = ?

Q: CH, + 20; >CO, +2 H;O 100 mole of methane is burned with 420 mole of air as the above reaction, if…

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Q: The eruption of Mount St. Helens volcano in 1980 injected 4 * 108 kg of SO2 into the atmosphere. If…

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Q: Consider the decomposition of ammonia: 2 NH3 (g) → 3H2 (g) + N2 (g). If you start with 425g of NH3,…

A: The balanced chemical equation given is, 2 NH3 (g) → 3 H2 (g) + N2 (g) Mass of ammonia = 425 g…

Q: Given: 2KClO3(s)  2KCl + 3O2(g) How many grams of oxygen are produced by the decomposition of…

A: The given reaction is, The given moles of potassium chlorate is 1.70 moles.

Q: When 1.5173 g of an organic iron compound containingFe, C, H, and O was burned in O₂, 2.838 g of CO₂…

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: An alloy of a metal containing Al, Cu and Ge is to be produced as follows: 10g of Cu is mixed with…

A: From the given information: Mass of copper in alloy = 10g Molar mass of Copper = 63.6 g/mol   Number…

Q: Wine is produced by the fermentation of grapes. In fermentation, the carbohydrate glucose (C 6H 12O…

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Q: Determine the mass in grams of CO2 that are produced by the complete reaction of 10.49 grams of…

A: Given;

Q: If exactly 4.089 moles of propanol (C3H8O)  is combusted in the presence of excess oxygen what is…

A: Given data: The moles of propanol combusted is 4.089 mol. To calculate: The mass of O2 was used in…

Q: Consider the reaction 3X + 2Y→ 5C + 4D With excess Y, how many moles of X are needed to produce…

A: Reaction:    3X  + 2Y  → 5C + 4D   According to the reaction: 4 mol of D is produced when = 3 mol of…

Q: 2. How many molecules of Carbon dioxide are there in 345g of CO2?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A 0.777g sample of an organic 5) compound is burned completely. It produces 1.42g CO2 and 0.388g…

A: Given: Weight of sample = 0.777 g Mass of CO2 produced = 1.42 g Mass of H2O produced = 0.388 g…

Q: How much Mol S2O32- consumed and how much I3- was produced?

A: Sodium thiosulfate is Na2S2O3 which is responsible for furnishing S2O32-. Concentration of S2O32- in…

Q: If 0.35g of Al reacts with excess diatomic oxygen, how many grams of the product Al2O2 are formed

A: Given, Mass of Al = 0.35 g   Moles of Al can be calculated as :

Q: 2) If 28.9g of Lithium Nitride react, how many grams of Magnesium Carbonate are needed to react with…

A:

Q: In the combustion of methane, how many moles of O, are required if 6.75 mol of CH, is to be…

A: Complete combustion of methane produce CO2 and H2O  CH4 + 2O2 ---------- > CO2 + 2H2O

Q: Determine the number of molecules of Cr:Os that form when 1.34 x 10° g of oxygen completely reacts…

A: Given the reaction is 4Cr(s) + 3O2(g) -------> 2 Cr2O3  Weight of oxygen = 1.34*103 g = 1340 g

Q: How many moles of O2O2 are needed to react with 2.80 molmol of C2H2C2H2?

A:

Q: Sodium carbonate reacts with nitric acid according to the following equation. Na,CO,(s) + 2HNO, –…

A:

Q: 16. 2K + Br, 2KBR 71.1g Br, is reacted, and 64.1g KBr is produced. What is the percent yield for the…

A: The given chemical reaction is: 2K+Br2→2KBr. Then, 1g of Br2 formed --- 64.1g of KBr. Calculate the…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.