C3H8 + 5 O2 --> 3 CO2 + 4 H2O What is the mass of H2O produced if 74.4 g of C3H8 was used completely? Round your answer up to tenths decimal place.

Q: 19. How many grams does 3.5 x 1025 molecules of H2SO4 weigh?   Group of answer choices a)  5.7 X…

A: Using the concept of number of moles we can find mass of H2SO4.

Q: What is the coefficient in front of the O2 when the equation below is balanced (using only whole…

A: C2H6g+O2g→CO2g+H2Og

Q: 2Fe2O3(s) + 3CO(g) + 3Co2(g)+ 2Fe(s) How many grams of carbon monoxide are needed to react with an…

A: Solution:      The number of chemical elements indicated by the mole fraction.The unit of number of…

Q: How many grams of ibuprofen are in 0.540 moles?

A: number of moles = mass/molar mass  mass = moles × molar mass

Q: How many mols of H2 can be made from the complete reaction of 4 mols of AL? Given: 2AL +…

A: Since from the above reaction we can see that 2 moles of Al is reacting to form 3 moles of H2  hence…

Q: Hydrogen sulfide is an impurity in natural gas that must be removed. One common removal method is…

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Q: Chemistry (1= T15HW Question 5 Homework Unanswered O Determine the percent by mass of both magnesium…

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Q: C4H10 + 13 O2 ----------------->  8 CO2 + 10H2O How many moles of water (H2O) are produced if  100.0…

A: Given :-  balanced equation  C4H10 + 13 O2 → 8CO2 + 10H2O  mass of O2 = 100.0 g  To be calculated :-…

Q: If a sample of CH3O2C(CH2)2CO2CH3 is found to contain 1.84 · 10-4 mol of O atoms how many C atoms…

A: Number of moles of the given compound with 1.84×10-4 mol O atoms is calculated as follows: 1 mol…

Q: You are helping to clean out the lab at the end of the term and find a bottle of liquid whose label…

A: Given : The bottle can have either C3H8O or C4H8O2 or both. Mass of sample burned = 0.300 g Mass of…

Q: 4 NH3 (g)   +   5 O2 (g)    -->     4 NO (g)   +    6 H2O (l) if 45.0 g ammonia react, how many…

A: Recall the given reaction   4NH3g + 5O2g → 4NOg + 6H2Ol Given that 45.0 g of ammonia have been…

Q: C6H5Cl + 2 NH3 --> C6H5NH2 + NH4Cl Assume that 20.0 g of chlorobenzene at90% purity is mixed with…

A: Amount of pure chlorobenzene present in 100 g of sample = 90 g Amount of pure chlorobenzene present…

Q: 14. How many moles of CC are in each of the following quantities? A. 79 gg of CC Express your…

A: Answer:- This question is answer by using the simple concept of calculation of moles using the given…

Q: How many moles of NaOH are in 2.2x1025 formula units of NaOH? Round your answer to 1 decimal place.

A: Given data,  Formula units of NaOH = 2.2 × 1025  Formula units of 1 mole NaOH = 6.022 × 1023

Q: How many moles of NH3 are contained in a 18.62L sample at 90.0°C and 5.74atm?

A: Given, Pressure (P) = 5.74 atm Volume (V) = 18.62 L Temperature (T) = 90.0°C = (90.0 + 273.15) K =…

Q: C3H8 + 5 02 --> 3 CO2 + 4 H20 What is the mass of CO2 produced if 63.5 g of O2 was used completely?…

A: Given mass of O2= 63.5gm Mole= mass÷molar mass Use stoichiometry of the equation to get the mass of…

Q: 1 mole of 63Cu atoms has a mass of about 63 grams. Explain why the number below Cu on the periodic…

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Q: Zn(s) + 2 AgNO3 (aq) --> Zn(NO3)2 (aq) + 2 Ag(s) How many moles of Zn(NO3)2 will be produced by…

A: Moles are the units used to express the amount of substance. 1 mole contains 6.023×1023 particles…

Q: (The formula in this problem may not be a real molecule.) How many grams of hydrogen atoms are…

A: Given: The formula of the compound = C3H7 We have to find the mass of hydrogen atoms in the sample…

Q: How many grams of LiHCO3 are present in 6.1*1024 formula units of LiHCO3? Round your answer to 1…

A: Given in the question, Compound = LiHCO3Formula unit = 6.1× 1024Avagadro no. = 6.023 × 1023No. of…

Q: Fe2O3 + 3 H2 ---> 2 Fe + 3 H2O How many grams Fe are produced from 24.3 g of Fe2O3 ? ( gram to gram…

A: We have 24.3 g of Fe2O3 , and a balanced equation of reaction of Fe2O3 with H2. We have to calculate…

Q: A mixture of BaO and CaO weighing 2.212 g is transformed into mixed sulfates (BaSO4 and CaSO4)…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How many moles of Al atoms are present in 5.96 · 1018 Al(ClO3)3●6H2O formula units? Express your…

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Q: Please answer questions 1 & 2 and show work.  1. Calculate the mass, in g, of chlorine in 25g of…

A: 1)  Given, Mass of chlorofluorocarbon (CFCl3) = 25 g  Mass (in grams) in  Chlorine in 25 gram of…

Q: 7- Regarding 30.4 grams of N2O3 gas: I. Contains 0.8 moles of N atoms. II. It contains 1.2 O atoms.…

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Q: g of magnesium hydroxide (58.3196 u) is produced when 3.69 g of magnesium (24.3050 u) is added to…

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Q: How many grams of N2 (28.01 g/mole) can be obtained by reacting 24.5 g of NH3 (17.03 g/mole) with…

A: Using mole mole analysis on given balanced reaction we can calculate amount of N2.

Q: Find the percent, by weight, of each component.

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Q: Calculate the mass of carbon dioxide produced from 15.6 g of octane, C8C18, in the 2C8H18(g)…

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Q: Match each of the following with its correct answer The empirical formula of a compound is CH. If…

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Q: Convert 2.59 mol NaCl to moles of CaCl2, using the equation given below. Round to the nearest 0.01,…

A: Balanced chemical equation is a chemical equation which all the atoms of the elements involved in…

Q: A student needs to produce 28.88 grams of nitrogen gas (N2) for a lab experiment.  How many grams of…

A: Mass of nitrogen produced = 28.88 g The reaction is ., NH3 -->  N2 + H2 The molar mass of NH3 =…

Q: 12. The mass in grams of 10.0 million molecules of sulphur dioxide is:  SO2    Answers:  a)1.06…

A: 1 mole = 6.022×1023 ( Avogadro's number )   Molar mass : The mass of one mole of molecules of a…

Q: This is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE):…

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Q: If the mass of 0.8 mole mixtures of NO and CH4 gases is 17 grams; I. The number of moles of NO is…

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Q: Using the following equation: Pb(NO3)2 (aq) + 2 KI (aq) --> Pbl2 (s) + 2 KNO3 (aq) How many grams of…

A: Limiting reagents are those chemical substances which are present in less amount relative to the…

Q: Calculate the number of grams in the following 0.84 mole of 2-propanol, C3H8O, rubbing alcohol. Must…

A: given : 0.84 mole of 2-propanol, C3H8O, rubbing alcohol

Q: N2H4(I) + 2H2O2 —> N2(g) + 4H2O(g) How many grams of N2H4 are required to produce 280 grams of N2?

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Q: How many grams of AuCl3 contains 5.00 x 1023 atoms of gold(III) chloride (MW = 303 g/mol)? Group of…

A: Given that:     Number of atoms of gold (III) chloride = 5 × 10²³ atoms                Molar mass of…

Q: Aqueous sulfuric acid (H,SO, reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

A: Chemical Reaction :-  H2SO4 + 2NaOH  ---->  Na2SO4  + 2H2O  Given mass of H2SO4 = 73.6 g  Given…

Q: Using the equation below, convert 38.07 grams of NaClO3 to grams of oxygen gas (O2). Round your…

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Q: A 3.82-g sample of magnesium nitride is reacted with 7.73 g of water. Mg3N2 - 3H20 → 2NH3 + 3M9O The…

A: The balanced reaction taking place is given as, => Mg3N2 + 3 H2O → 2 NH3 + 3 MgO Given: Mass of…

Q: Determine the quantity (g) of pure MgSO4 in 2.4 g of MgSO4•7H2O. Show your work please.

A: Given, mass of MgSO4.7H2O = 2.4 g molar mass of  MgSO4.7H2O = 246.48 g/mol => moles of MgSO4.7H2O…

Q: How many grams of AlO3 can form from 33.4 g of Al? 4 Al(s) + 30zlg) 2 Al03(s) Step 1: Sbow the…

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Q: How many grams of NaCl can be produced from 9 grams of Na? • 2Na + Cl2 –> 2NACI Calculate the final…

A: 1 mol = 6.022×1023 [ Avogadro's number ] The mass of 1 mole of atoms of a molecule is called its…

Q: MnO2 +  4HCl  --->  MnCl2  +  Cl2  +  2H2O If 0.86 mole of MnO2 reacts with 48.8 g HCl, and 24 g of…

A: Mole of MnO2 = 0.86 mol  Mass of HCl  = 48.8 g  Mass of Cl2 = 24 g  Percent yield = ?

Q: 2HCl + Na2SO4 ---> 2NaCl + H2SO4 If you start with 20. Grams of hydrochloric acid, how many grams…

A: Interpretation - To determine the grams of sulfuric acid in the given reaction when when we take 20…

Q: Aluminum has a density of 2.70 g/cm^3. How many moles of aluminum are in a 13.2 cm^3 block of the…

A: Given,  Density of Aluminium = 2.70 g/cm3  Volume = 13.2 cm3

Q: Calculate the number of grams in each 1.01 x 10 22 molecules of  CCl4.

A: One mole of a species contains avagadro number of atoms,  molecules and ions .

Q: How many grams of carbon dioxide are produced if 2.007 x 1023 molecules of oxygen react completely…

A: Given information: Molecules of oxygen = 2.007x1023

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".