Fe2O3(s)+3CO(g) → 2Fe(s)+3CO2(g) The reaction of 172 g of Fe2O3 with 82.8 g of CO produces 73.8 g of Fe.   What is the theoretical yeild of Fe?

Q: Consider the reaction: 2C:H«(g) + 702 (g) → 4CO:(g) + 6H:O(1). If 64 grams of O2 react with 45 grams…

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Q: How many oxygen atoms are there in 0.825 g of AI(NO2)3 (MW Al(NO2)3 = 165.00 amu) а. 3.01 X 1021 b.…

A: Given: Mass of Al(NO2)3 = 0.825 g Molar mass of Al(NO2)3 = 165.00 amu.

Q: 48. How many molecules of caffeine, C4HSN2O, are there in 18 g of caffeine? a. 1.12 ×10E23 b. 1.05…

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Q: Ammonia (NH3)(NH3) and hydrazine (N2H4)(N2H4) are both binary compounds of nitrogen and hydrogen.…

A: Ammonia is formed according to the following balanced Chemical equation-   N2 + 3H2   ---> 2NH3…

Q: Gas A, with the smell of rotten eggs, reacts with oxygen to give Sg(l) and H20(g). If you started…

A: Given information,   Gas A, with the smell of rotten eggs is H2S Mass of A = 34.0 g Mass of O2 =…

Q: C12H22011 + 12O2 12 CO2 + 11 H20 If you have 61.09 g of sugar (m.w. 342.34 g/mol) and 62.91 g of O2…

A: The moles of sugar in 61.09 g of sugar is, number of moles=given massmolar mass…

Q: 2NaCl + 1 Br2 → 2 NaBr + 1 Cl2     How many moles of NaCl are there in 99 grams of NaCl?  If you…

A: a) Given, Given mass of NaCl = 99 grams b) Given, Amount of NaCl is 31 grams c) Given, Amount of…

Q: +3Ca (OH) acs)→ 6H20(1) + Cas (POw). (s) b) +3CACOH) 2cs)

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Q: A 0.7547 g sample of nicotine was analyzed and found to consist of 0.5588 g C, 0.06565 g H, and…

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Q: The equivalent weight of CUSO4.5H2O is A- 79.75 B- 249.5 C- 124.75

A: The equivalent weight of CuSO4.5H2O has to be given.

Q: How many grams of carbon dioxide could be made from the combustion of 5.3 g of propane, C3H8, and…

A: The balanced chemical reaction is, C3H8 + 5O2 → 3CO2 + 4H2O That is, 1 mole of propane(C3H8) react…

Q: In one process, 124 g of Al reacts with 601 g of Fe2O3, what is the mass of Al2O3 formed? 2Al +…

A: The given reaction is  2Al + Fe2O3=Al2O3 + 2Fe Moles of Al =124/27 =4.6moles Moles of Fe2O3 =601/160…

Q: The combustion of liquid propane (C3H8) yields gaseous carbon dioxide and water vapor.  If 2.33…

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Q: When 25.5 grams of C5H10 undergoes combustion with a 75.0 g sample of oxygen, how many grams of…

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Q: Consider two compounds. Compound A contains 2.02 g of hydrogen and 16.00 g of oxygen. Compound B…

A: Given Compound AAmount of hydrogen in compound A = 2.02 gMolar mass of hydrogen = 1 g/moleMole of…

Q: Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg (s) + O2 (g) 2M9O…

A: From the given reaction we can see that 2 moles of Mg burns to produce 2 moles of MgO  hence moles…

Q: 3.123 In the formation of carbon monoxide, CO, it is foundthat 2.445 g of carbon combine with 3.257…

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Q: chemical formula

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Q: 9.21 x10^19 molecules of hydrogen gas,(H2) are equal to how many grams of hydrogen gas?

A: Number of molecules = 9.21 × 1019 molecules Avogadro’s constant = 6.022 × 1023 molecules Numbre of…

Q: How much would 2.4 x 1024 molecules of N2O5 weigh?

A: Moles=2.4*10^24/(6.022*10^23) = 4

Q: What is the mass % of H in C9H10N2?

A: Mass percentage is a kind of expressing the concentration of a solution. It gives an information…

Q: For 2.526 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A: From the mass of compound and mass of Cu ,we can determine the mass of oxygen. Then using molar mass…

Q: A lawn fertilizer is rated as 7.71% nitrogen, meaning 7.71 g of N in 100 g of fertilizer. The…

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Q: In a reaction, 34.0 g of chromium(III) oxide reacts with 12.1 g of aluminum to producechromium and…

A: Given data, The balanced chemical equation is given below, The mass of chromium(III) oxide = 34.0 g…

Q: How many grams of oxygen are combined with 94 grams of iron to make the iron(II) oxide compound?

A: Given: Oxygen is combined with iron to give iron(II) oxide. Mass of iron = 94 grams.

Q: A compound is found to be 30.45% N and 69.55 % O by mass. If 3.01 g of this compound occupy 780 mL…

A: Empirical Formula :- When we write the chemical formula of a compound with the simplest ratio or…

Q: A piece of aluminum foil measuring 11.20 cm × 6.00 cm × 0.566 mmis dissolved in excess HCl(aq). What…

A: Given, Aluminium foil measuring = 11.20 cm × 6.00 cm × 0.566 mm Density for Al = 2.70 g/cm3   Volume…

Q: How many oxygen atoms are there in 2.10 g of Al2(S208)3 (MW A12(S208)3 = 630.34 amu) %3D O a. 4.82 X…

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Q: 4Al + 30, → 2 AI O3 1) Calculate the number

A: A balanced reaction is given and asked two questions. Those answers I write in step 2in written…

Q: How many moles would 1.00 x 10^23 molecules of methane(CH4) represent

A: Given  Number of molecule of CH4  = 1 × 1023 molecule  Number of mole = ?

Q: When 5.00 g of sulfur is combined with 5.00 g of oxygen, 10.00 g of sulfur dioxide (SO2) is formed.…

A: Chemical reactions are those reactions which undergo any chemical change. Chemical reaction is…

Q: An expert requires enough C5H12O be used to yield 19.7 g of oxygen. How much C5H12O must be weighed…

A: The molecular formula of the compound is = C5H12O The required mass of oxygen is = 19.7 g The mass…

Q: Use the periodic table from an alternative universe below to answer the questions[ Syn A 1A 2A 8A…

A: The balanced reaction is: 2K3O+3VP→3K2P+1V3O2 Assuming that the molar mass of an element is twice of…

Q: Given that 4NH3 + 5024NO+ 6H2O, if1.92 X 10 molecules NH were made to react with an excess of oxygen…

A: Given,  4NH3 + 5O2 ➝ 4NO + 6H2O Number of molecules of NH3 react = 1.92 × 1021 molecules Excess…

Q: What mass of CdS is produced if 8.47 g cadmium reacts with 2.51 g of sulfur?

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Q: what mass of each product is formed?

A: Given :- mass of NH4NO3 = 45.70 g To calculate :-  Mass of N2O  Mass of H2O    Note :- The…

Q: 3. (a) Magnesium oxide was formed when the metal burns in air. (i) If 1.25 g of magnesium oxide…

A: Magnesium burns in the air to form magnesium oxide. The reaction occurs as follows: Mg (s) + O2( g)…

Q: When 4.00 g of sulfur are combined with 4.00 g of oxygen, 8.00 g of sulfur dioxide (SO2) are formed.…

A: Answer: 8.9808 g of oxygen is required to convert 6.00 g of sulphur into sulphur trioxide.

Q: 27. When iron(III) oxide reacts with hydrochloric acid, iron(III) chloride and water are formed.…

A: Balanced chemical equation:  Fe2O3  + 6 HCl ---> 2 FeCl3 + 3 H2O  Mass of Fe2O3 = 10.0 g Mass of…

Q: Lithium nitride reacts with water to produce ammonia and lithium hydroxide according to the equation…

A: Given,ND3 = 140 mg (or) 0.14 gMolar mass of ND3 = 20.042 g/molMolar mass of D2O = 20.027 g/mol

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: A sample of trifluoroacetic acid, C2HF3O2, contains 33.733.7 g of oxygen. Calculate the mass of the…

A: Given, mass of oxygen = 33.7 g Now, one mole of C2HF3O2 contains two moles of oxygen.

Q: 4. If 2.784 grams of silver oxide are decomposed to yield 2.592 grams of silver. a) How many grams…

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Q: For 2.634 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A: We have to calculate the moles of oxygen.

Q: A 94.8 g sample of Fe304 reacts with 17.39 g of CO to form FeO and CO2. FezO4(s) + CO(g) - 3FEO(s) +…

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Q: The British chemist Joseph Priestley prepared oxygen in 1774 by heating mercury(II) oxide, HgO.…

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Q: 6.61 x1019 molecules of hydrogen gas,(H2) are equal to how many grams of hydrogen gas?

A: SOLUTION 6.022×1023 molecules of H2 gas is equal to 1 mol of H2 gas. 1 molecule of H2 gas is…

Q: What mass of Ag2NO3 is needed to convert 3.46g of Na2CO3 to Ag2CO3. and calculate the mass of Ag2CO3…

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Q: How many total atoms are there in one formula unit of Cr(Cr2O7)3?

A: From one formula unit the sum of all types of atoms will give total number of atoms.