Calculate the percentage of nitrogen in C10H14N2.

Q: 8. How many oxygen atoms are contained in 5.25 g of NO2 gas?

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Q: 3. СНО + _(3a) + NH.OH → _(3b) +Agl+ NH&NOs + H2O

A: When benzaldehyde is treated with silver nitrate in ammonium hydroxide solution , which is also…

Q: (f) Potassium permanganate (g) Sodium hypochlorite (h) Beryllium bicarbonate (1) Ammonium dichromate…

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Q: Draw a stepwise mechanism for each reaction.

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Q: 1. NaOEt E1O, OEL 2. I1,0+

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Q: Calculate the Molar mass of a volatile liquid (g/mol) from the following data:- Mass of dry flask,…

A: To calculate the molar mass of the liquid we should know the value of moles of liquid and the mass…

Q: 4 NH3 + 5 O2 --> 4 NO + 6 H20

A: The given equation is

Q: 1) NaOH, H2O 2) O3 3) Zn, H3O*

A: First OH will add in place of bromine then dehydration will happen and stable alkene will form…

Q: 2NaOH + H2SO4 ® Na2SO4 + 2H2O What is the mole ratio of sodium hydroxide to water?

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Q: Oxygen Hydrogen Carbon Nitrogen 2. Calculate %N in the compound.

A: The compound given is,

Q: calculate the number of atoms of F in 32.5g of flourine gas, F2

A: Since moles of F2 = mass of F2 / molar mass of F2  molar mass of F2  = 38 g/mol Hence moles of F2  =…

Q: Calculate the mass percentage of carbon in a mixture that contains 244 grams of potassium carbonate…

A: Molar mass of K2CO3 = 138 g/mol Molar mass of citric acid = 192 g/mol

Q: 1. Et,NH 2. ACONH,*

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Q: How many grams of ferrous sulphate (anhydrous) is equivalent to 1.2g of ferrous sulphate…

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Q: Calculate the number of oxygen atoms in 2.00 moles of Mn2O7.

A: We should know that each mole of a molecule have Avogadro's number of molecules. We are given that…

Q: Calculate the percent composition by mass of scandium in Sc203-

A: Molar mass of Sc = 44.95 g

Q: A 15.5 g sample of P2O5 contains how many grams of phosphorous?

A: Given, 5.5 g sample of P2O5

Q: Br 2) Na O6 t, E EOH 3) PhcH2 Br 4) H30A

A:

Q: 30 How many grams of Mo(SO3)3 are in 1.60x1023 molecules of Mo(SO3)3?

A: Given, molecules of Mo(SO3)3 = 1.60*1023 Grams of Mo(SO3)3  = ? One mole on any substance contains…

Q: What is the mass of 2.11x10^24 molecules of C2H6

A: Number of molecules of C2H6 = 2.11x1024 Molar mass of C2H6 is 30.07 g/mol

Q: If there are 6.2x1022 molecules of calcium carbide, CaC2, what mass of acetylene (C2H2) can be…

A: The solution of above question is-

Q: 1. O3 2. Zn, H20 4. KMNO4 H3o* 3.

A: The reactions given are,

Q: If a sample of N2O5 produces 1.618g of O2 how many grams of NO2 are formed?

A: Decomposition of dinitrogen pentoxide, N2O5→4NO2 + O2 One molecule of N2O5 decomposes to gives 4…

Q: Calculate the number of oxygen atoms in 3moles of H2SO4

A: One mole of any compound contains Avoogadro number of particles which is equal to 6.023*1023

Q: calculate the mass percent of carbon, nitrogen and oxygen in acetamide C2H5NO

A: Mass percentage of each element in acetamide can be determined by calculating the contribution of…

Q: Calculate the mass percent of H2O2

A: To solve this problem first we calculate the mass of Hydrogen peroxide .then mass Percent is…

Q: How many grams of NO2 are needed to make 1.5 g of N2?

A: Given :- mass of N2 = 1.5 g  To calculate :- mass of NO2 (in grams)

Q: What mass of oxygen would be in a 124.56g sample of sodium thiosulfate Na2S2O3?

A: Given that:  Mass of Na2S2O3 = 124.56g  Molar mass of Na = 23g/mol Molar mass of S = 32g/mol Molar…

Q: Which of the following gases consist of molecules containing four or more atoms? O Rn O NO O CO Ar…

A: Gases; those molecules in which force of attraction are weak and they are free to move in space of…

Q: rais. The DU erials is as follows: CaO 100% SIO2 45%; Al2O3 : 55% Fez03 : 20% SiO2 80%;

A: From the above information, we have to determine the required unknown. From the free lime content,…

Q: 2a. Calculate the volumes of ammonia and oxygen required to produce 28 moles of nitrogen dioxide.…

A: Given: The number of moles of NO2 is 28 mol. The given reaction is: 4NH3+7O2→4NO2+6H2O

Q: Calculate the number of H atoms in 87.26g of C3H8

A: molar mass of C3H8 = 44.1 g/mole To determine the number of hydrogen atoms it ill be needed to find…

Q: Consider a 2.12 g sample of C2H2. How many molecules are in this sample?

A: Given: Weight of C2H2=2.12 g The molar weight of the C2H2=26g/mol

Q: 1) O3 b. CCH 2) H,O с. 1) О, 2) Н,О KMNO4 d.

A: We have to give the product of given reaction

Q: 1. C;H, + O2 → CO, + H,O 2. Zn(OH), + Н.РО, — Zn;(PO4)2 + H,O

A: we have to apply simple maths

Q: CНО + _(3a_ + NH4OH → _(3b)_ +Agl+ NH&NO3 + H2O 4. HCHO + KMNO4 +_(4a)_ → _(4b)_+ K2SO4 +| MnO2t +…

A:

Q: Calculate the number of moles in 6.60x1015 atoms of 14c.

A: A mole is defined as 6.02 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. For…

Q: ) Ph CO0OH 2) EALI, H30* 3)PCC

A: epoxidation if alkene  attack of nucleophile to epoxide  oxidation of alcohol by PCC

Q: 113. Complete the following equations: LIAIH, X Y NH2 a) NABH,CN HN b)

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Q: 6.Calculate the mass percent of H in CH5N.

A: 1- First we will determine the mass of compound :  Molar atomic mass of C, H and N are 12, 1 and 14…

Q: Calculate the number of H atom in 3.206g of Caffeine (C8H10N4O2)

A: Molar mass of caffeine = 194.19 g/mol Mass of caffeine given = 3.206 g no. of moles of caffeine =…

Q: Write the empirical formula corresponding to B₃N₃H₆

A: We have to predict the empirical formula of given molecular formula.

Q: Given these molecular weights of only nonpolar and non-ionic molecules consisting of only hydrogen…

A: Melting point is directly proportional to number of the carbon atoms. Longer the carbon chain higher…

Q: Calculate the mass percent of H in C3H120.

A:

Q: Calculate the percent composition of oxygen in N2O4

A: The mass percent composition of Oxygen in N2O4 is given by

Q: b. potassium iodide + nitric acid

A:

Q: 3. СНО + _(3a)_ + NH:OH → _{3b)_ +Agl+ NH&NO3 + H2O

A: Solved in step 2.