Question 9 of 15 The principal constituent of natural gas is methane, which burns in air according to the reaction: CH4+ 202 CO2 + 2H20 -> How many grams of 02 are needed to produce 3.50 g of CO2?

Q: What mass of oxygen will be produced by heating 400. g of potassium chlorate? KCIO3(s)->KCI(s)+02

A:

Q: How many grams of zinc sulfide are used to produce 1.28 grams of zinc oxide ?

A: Detail mathematical calculation is shown below

Q: What is the primary component of natural gas?

A: Natural gas is a naturally occurring mixture of several compounds like alkanes (hydrocarbons) as…

Q: What is the concentration of FeCl3 in a solution prepared by dissolving 35.0 g of FeCl3 in enough…

A: Given, mass of iron(III) chloride(FeCl3) = 35.0 g We know, molar mass of iron(III) chloride (FeCl3)…

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: According to the following balanced equation, calculate the mass of needed SiCl4  to produce 3.14 g…

A: Reaction of SiCl4 with H2O to produce HCl and SiO2 . And balanced chemical equation is ,     SiCl4…

Q: How many grams of Fe can be produced when 10.0g of Al is reacted with 10.0g of Fe2O3?

A: 2Al + Fe2O3 ------------> 2Fe  + Al2O3 This is required Balanced chemical equation.

Q: Determine the percent yield for the reaction between 3.2 g of Na and excess O2 if 4.1 g of Na2O is…

A: Given that,  Weight of Na metal = 3.2 g Moles of Na metal = 3.2 g/22.99 g/mol = 0.14 mol…

Q: How many moles of carbon dioxide are contained in 53.7 g of CO2?

A: Since, Moles is the ratio of mass to the molar mass of the compound. Thus,

Q: 5.2 mol of solid sodium is reacted with 2.8 mol of fluorine to form sodium fluoride as shown in the…

A: Two mole sodium react with one mole fluorine produced two mole of sodium fluoride

Q: How many grams of hydrogen gas would be produced when 6.0 grams of magnesium reacts with excess of…

A: Magnesium is the limiting reactant. One mole of magnesium produce one mole of H2. 24.305 g Mg =…

Q: determine the quantity in moles of ash that are in 47.2 grams of Ag2O

A: Given, mass of Ag2O = 47.2 g moles of Ag2O = ? Note: molar mass of Ag2O = 231.735 g/mol

Q: How many grams of oxygen are present in 69.1 g of CO2?

A: We have to determine how many grams of oxygen are present in 69.1 g of CO2.

Q: What mass of H2O forms from the reaction of 4.1 g of O2 with an excess of H2?

A:

Q: What mass of CO is required to react with 651 g of Fe2O3 ?

A: The balanced chemical equation for the given reaction is,

Q: What mass of Ca(OH)2 will react with 25.0 g of HCl?

A:

Q: when N2O5 is heated  under certain conditions, O2 and NO2 are produced. what type of reaction is…

A: The objective of the question is to identify the type of chemical reaction that occurs when N2O5 is…

Q: 27. Consider the following reaction: 4V + 302 → 2V2O3 How many grams of O2 are needed to react with…

A:

Q: What is the minimum mass of oxygen, in grams needed to burn 28 g of C6H14O?

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: How many tons of CO2 are produced by the consumption of 1 gal of gasoline?

A:

Q: How many grams of SO2 can be produced if 2.5 moles of O2 are used

A: here,  S+O2→SO2 1 mole of 0xygen give 1 mole of SO2 Apply mole concept, 1mole of O2 give 1 mole of…

Q: How much CO2 is formed by adding 5 g of baking soda to 75.0 ml of vinegar

A:

Q: How many grams of magnesium nitride is required to produce 25.00 g of magnesium hydroxide? Mg3N2 +…

A: Given  Mass of Mg( OH )2               = 25 gram  mass of magnesium Nitride  =  ?

Q: how many moles of Al2O3 can be formed by 19.2 grams of O2?

A: We will consider only oxygen moles not aluminium moles assume aluminium amount is in excess.

Q: Determine the limiting reactant for the reaction. (Hint: Write a balanced equation for the…

A: For this question, first write balanced reaction between C2H5OH and O2. Then find out mass of…

Q: How many grams of O₂ can be prepared from the thermal de-composition of 4.27 kg of HgO? Name and…

A: Given: Mass of HgO decomposed = 4.27 kg

Q: How many grams of oxygen are needed to burn 25.0g of C4H10?

A: 2C4H10 + 13O2 → 8CO2 + 10H2O C4H10 + (13/2)O2 ---> 4CO2 + 5H2O Number of moles of butane  = 25.0…

Q: Accordign to the following reaction, how many grams of hydrogen gas are required for the complete…

A: The balanced chemical equation: Given data: Mass of nitrogen gas is 28.4g.

Q: Calculate the concentration of sodium hypochlorite in mol.g-1, in a sample of bleach containing 6%…

A: Given that, in a sample of bleach containing 6% sodium hypochlorite in a 250g packet. So mass of…

Q: How many O2 molecules are needed to react with 4.13 g of S?

A: One mole of sulfur atom react one mole of dioxygen and form one mole sulfur dioxide.

Q: How many grams of CO2 will be produced if you start with 96.00 g of O2?

A:

Q: If one gallon of gas weighs about 6 lbs (2700) how many grams of CO2 will be produced from burning 1…

A: Since, the combustion of gallon of gas produces CO2 gas.  During combustion of gas each carbon…

Q: Given the following balanced equation C3H3O2 + 4O2 = 3CO2 + 4H2O calculate how many moles of oxygen…

A: The given reaction is C3H3O2+4O2→3CO2+4H2O.

Q: How many grams of ammonium carbonate are needed to produce 500L of carbon dioxide if the density of…

A: Density can be calculated using the equation given below: Density = massVolume

Q: A flame test was carried out on solid sodium carbonate. The flame colour will be A Red O B Lilac C…

A: Sodium carbonate : NaHCO3

Q: Calculate how many grams of O2 can be produced from 92.1 g H2O

A:

Q: Consider the balanced reaction of magnesium and oxygen. 2 Mg + O2 →2 MgO

A: Number of moles is defined as the ratio of given mass to molar mass of the given compound.   The…

Q: How many grams of O2 are needed to react with 7.15 g of ethanol?

A:

Q: how many moles of HCl are required to react with 45 grams of KMnO4?

A: The balanced chemical reaction between HCl and KMnO4 is  .................(A)…

Group 14 Elements

The following elements come under group 14 of the periodic table.