What mass of c37h49n2o12 would contain 4.35g of oxygen? What is the mass of exactly 1500 molecules of c37h49n2o12? What is the% composition of carbon and hydrogen in c37h49n2o12?

Q: What is the percentage of hydrogen in C6H14? The molecular weight of C is 12.011 g/mol, of H 1.00794…

A: There are some steps to find percent of an element present in a compound. Those steps are - 1) find…

Q: How many moles are there in 6.55 x 1025 molecules of H2O?

A: Given: The number of molecules of water=6.55 x 1025  1 mol of water = 6.022 x 1023 molecules…

Q: what is the Molar mass of H2C2O4·2H2O?

A: The molar mass (M) is defined as the mass of 1mol a given element or molecule.

Q: C6H12O6 (s)   +   6 O2 (g)  →   6 CO2 (g)  +   6 H2O (l) How many moles of water (H2O) will be…

A: Note - Question correction : C6H12O6 mixes with oxygen not water. Given that,  Mass of C6H12O6 =…

Q: In a combustion,27.90 g CH4 combine with 110.5 g O2 to make 76.50g CO2 and 62.65g H2O. Does this…

A: As mass in reactant and product side is not equal so it does not follow law of conservation of mass.

Q: How many moles of H3PO4 are produced when 78.5 g P4O10 reacts completely to form H3PO4?

A: Given :- mass of P4O10 = 78.5 g  To be calculated :- number of moles of H3PO4  Number of moles =…

Q: Given the following equation: c5h12+8o2=5co2+6h2o how many miles of h2o can be formed if 0.0652…

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Q: Be sure to answer all parts. Fermentation is a complex chemical process of wine making in which…

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Q: How many atoms of Oxygen (O) are in 3.25 g K2Cr2O7 (MM = 294.19 g/mol)?

A: Molecular weight of one molecule of K2CrO7 = 294.29g One molecule of K2CrO7 contains 7 atoms of…

Q: A compound containing only hydrogen and carbon is burned in excess O2(g) to produce a total mass of…

A: Given: The compound is formed by carbon and hydrogen only. When the compound is burned in excess…

Q: How to convert 6.7125558746858e+25 molecules of CO2 (carbon dioxide) to grams of oxygen?

A: First, convert the molecules into moles of carbon dioxide,

Q: What is the mass (in grams) of 9.43 x 1023 molecules of sucrose (C12H22O11)? First determine the…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: For the balanced chemical reaction 4Al + 3O2 → 2Al2O3 how many grams of Al2O3 can be made by…

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Q: Convert 2.72106521624284e+25 molecules of CO2 to grams of oxygen?

A: 1 mol = 6.022 x 1023 molecules. 1 mol CO2 = 44.01 g CO2  44.01 g CO2  =32 g Oxygen

Q: Using the exact mass of BaCl2 2H½O that you used (and molar masses to the appropriate BaCl2' 2H2O…

A: Barium in BaCl2.2H2O is precipitated as BaSO4. The mass of BaCl2.2H2O is = 0.9867 g The molar mass…

Q: Given the following reaction: Na2S2O3 + AgBr → NaBr + Na3[Ag(S2O3)2] (a) How many moles of NazS2O3…

A: first balance the given equation balanced equation is 2Na2S2O3 + AgBr -------> NaBr +…

Q: Ethyne (C2H2), also known as acetylene, can be synthesized by reacting calcium carbide (CaC2) with…

A: The given reaction is : The mass of CaC2 = 56.0 g The mass of H2O = 75.0 g The molar mass of CaC2…

Q: For the reaction of N2 + 3H2 2NH3 , how many grams of Hydrogen are produced from 17.2 moles of N2?

A: We can write the balanced equation and determine how many moles of N2 react with how many moles of…

Q: 0.333 g of a hydrocarbon (CxHy) was analyzed by combustion analysis and 1.009 g of CO2 (MM = 44.01…

A: We have to calculate the moles of carbon.

Q: please complete following table Mass of KNO3 Test tube + KNO3 Test tube only KNO3 only m1g =…

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Q: How many moles are there in 2.00x 1019 molecules of CCl4?

A: Given: Number of molecules of CCl4 = 2.00×1019 molecules To find: The number of moles of CCl4

Q: A chemical compound has a molar mass of 136.63 g/mol. How much would 2.46x10^22 molecules of this…

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Q: What mass of hydrogen gas H2 is present if there are 5.00E23 atoms of hydrogen?

A: Given: Atoms of hydrogen are 5.00×1023 To find: Mass of hydrogen gas

Q: How many molecules of C2H6 are there in 21.4 g of C2H6?

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Q: How many moles is 2.45e24 molecules of Oswegium pantheride?

A: 1 mol of any substance contains 6.023 × 1023 number of molecules

Q: An unknown hydrocarbon contains carbon, hydrogen, and oxygen. Combustion of 1.5000g of the…

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Q: Ethyne (C2H2), also known as acetylene, can be synthesized by reacting calcium carbide (CaC2) with…

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Q: molar mass

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Q: Determine the mass in grams of CO₂ that is produced by the complete reaction of 10.49 grams of C₆H₁₂…

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Q: Taking 28,6 g of Na2CO3.xH2O, it is heated in a burner flame. After the heating process, the mass of…

A: The reaction when Na2CO3.xH2O is heated is as follows: Na2CO3.xH2O →Na2CO3+xH2O

Q: The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a…

A: The given reaction is not balanced. The balanced reaction is as follows. 10 KClO3+3 P4 →3 P4O10 + 10…

Q: A sample of a compound decomposes into its elements A and B.  When the compound decomposes 7.75g of…

A: Given : Mass of B produced = 7.75 g Mass ratio of A and B = 3.60  And compound decomposes to A and…

Q: Which contains more, 6.35 X10E23 molecules of sodium hydroxide or 44.32 g of sodium hydroxide?

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Q: Consider the following reaction of hydrazine and dinitrogen tetraoxide: N2H4 (g) + 2 N2O4 (g) → 6 NO…

A: Given:Mass of N2H4 = 16.37014925373134 g ≈ 16.37015 gMass of N2O4= 82.25999999999999 g ≈ 82.26…

Q: What volume (in ml) of a 0.25OM KMnOtac.contains 0 500g KMnO,2 What are the number of moles of…

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Q: The black powder used to propel a firework into the sky is made up of 66% by mass potassium nitrate…

A: Black powder contains 66% by mass potassium nitrate, 12% by mass charcoal, and 22% by mass sulfur.

Q: Suppose a student starts with 2.4066 g of a sand mixture and separates the components, recovering…

A: given,mass of the NaCl= 1.3012g  mass of the  SiO2 =0.5591g  mass of the sand mixture =2.4066g mass…

Q: What is the percent of carbon in the pesticide DDT (C14H9Cl5) ? The molar mass of C14H9Cl5 is 354.5…

A: The given data: The chemical formula for DDT = C14H9Cl5 The molar mass of DDT = 354.5 g/mol To…

Q: 5.(0-2) The combustion of a 0.265g sample of a chemical compound yielded 0.880g of carbon(IV) oxide…

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Q: The reaction of calcium hydride and water produces calcium hydroxide and hydrogen as products. How…

A: Step 1: The balanced reaction is written first for the reaction of calcium hydride (CaH2) and water.…

Q: Be sure to answer all parts. Nitroglycerin (C;H;N3O9) is a powerful explosive. Its decomposition may…

A: The decomposition reaction of nitroglycerine is as follows: 4C3H5N3O9 → 6N2 + 12CO2 + 10 H2O + O2…

Q: A sample of a substance (containing only C, H, and N) is burned in oxygen. 3.375 g of CO2,…

A: Let the compound be CxHyNz. Calculation of no. of moles of CO2 produced: n=given massMolar…

Q: Given the unbalanced chemical equation, C5H12(l) + O2(g) → CO(g) + H2O(l), which one of the…

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Q: The mass of C3H8O3 that can be made from 2.4 × 1023 H atoms is

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Q: Burning octane is: C8H16 + 12(O2)......8(CO2) + 8(H2O) How many grams of O2 would you require to…

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Q: mass of calcium carbonate is produced from 1.411.41 mol of sodium carbonate?

A: The number of moles of calcium carbonate has to be calculated.   Given, 1.411.41 mol of sodium…

Q: Direct reaction of I2 and Cl2 produces an IxCly(where x and y represents unknown values),a bright…

A: Iodine and chlorine are halogens. When they react they will form an interhalogen compound. The…

Q: The complete combustion of octane, C8H18, a component of gasoline, proceeds as is shown below. 2…

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Q: The following represents an empirical formula. a. C6H12O6 b. C3H6O3 c. CH2O d. C2H2 e. S2O4

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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".