The most common oxide of vanadium, V2O5, is used as a catalyst in manufacturing sulfuric acid H2 SO4. The density of vanadium is 6.00 3 g/cm°. Express this in SI units ( kg/m ). ³). 3 Density 3 kg/m³

The most common oxide of vanadium, V2O5, is used as a catalyst in manufacturing sulfuric acid H2 SO4. The density of vanadium is 6.00 3 g/cm°. Express this in SI units ( kg/m ). ³). 3 Density 3 kg/m³

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Calculate the following to the proper significant figures: The molecular mass of iron(II) hydroxide. The number of moles in 145g of MgCl2 The volume of 25.0g of steam at STP(steam is gaseous water) The concentration of a solution of table salt (NaCl) if 12g is dissolved in 1.5L of water
In the "Methodé Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is )) C6H1206(aq) → 2C2H50H(aq) + 2C02(g) Fermentation of 750. mL of grape juice (density = 1.0 g/cm3) is allowed to take place in a bottle with a total volume of 825. mL until 12.5% by volume is ethanol (C,H;OH). Assuming that the Co, is insoluble in H,0 (actually a wrong assumption), what would be the pressure of CO, inside the wine bottle at 25°C? (The density of ethanol is 0.79 g/cm3)
[References] nelling salts," which are used to revive someone who has fainted, typically contain ammonium carbonate, (NH4)2 CO3 . Ammon. ponate decomposes readily to form ammonia, carbon dioxide, and water. The strong odor of the ammonia usually restores conscio person who has fainted. The unbalanced equation is (NH4)2 CO3(s) → NH3(9) + CO2(g) + H2O(g) alculate the mass of ammonia gas that is produced if 2.40 g of ammonium carbonate decomposes completely. g NH3 Submit Answer Try Another Version 1 item attempt remaining
A chemist adds 240.0 mL of a 1.1 mol/L sodium thiosulfate (Na2S2O3) solution to a reaction flask. Calculate the mass in grams of sodium thiosulfate the chemist has added to the flask. Round your answer to 2 significant digits. g x10 × ⑤
Soda ash (sodium carbonate) is widely used in the manufacture of glass. Prior to the environmental movement much of it was produced by the following reaction. CaCO3 + 2 NaCl → Na2CO3 + CaCl2 Unfortunately, the byproduct calcium chloride is of little use and was dumped into rivers, creating a pollution problem. As a result of the environmental movement, all of these plants closed. Assume that 125g of calcium carbonate (100.09 g/mol) and 125 g of sodium chloride (58.44 g/mol) are allowed to react. Determine how many grams of useful sodium carbonate (105.99 g/mol) will be produced. How many grams of useless calcium chloride (110.98 g/mol) will be produced? You should also determine how many grams of excess reactants are left (indicate which one is the limiting reactant)
What is the molar volume of solid quartz, SiO2?(density =2.65g/cm3) (molar volume is the volume occupied by one mole)
Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H4O2 What is the yield, in grams, of aspirin (C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.18 g of salicylic acid with 1.05 mL of acetic anhydride?
For each reaction in the table below, write the chemical formulae of any reactants that will be oxidized in the second column of the table. Write the chemical formulae of any reactants that will be reduced in the third column. reactants reactants reaction oxidized reduced 2Cu(s) + I, (s) → 2CuI (s) 0, (8) + Cr(s) → Cro, (s) 8Ca (s) + S, (s) → 8CAS (s)
Aspirin can be prepared from salicylic acid (C7H6O3 ), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4 H6 O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C;H,O3 + C4H6O3 → C9HgO4 + C2H3O2 What is the theoretical yield, in grams, of aspirin (C9H3O4), which has a molar mass of 180.15 g/mol, possible when reacting 3.06 g of salicylic acid with 3.71 mL of acetic anhydride? Type answer:
Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How much SO2 is required to treat 3.00 x 108 L of 7.00x102 mM Cr(VI)? 2Cro +3S0, +4H* → Cr2(SO4)3+2H,O kg
The Haber process is used to industrially produce ammonia (NH3). Ammonia is the active ingredient in a variety of household cleaners. The data table below summarizes the experimental quantities of reactants and products collected from a specific batch. N2 (g) + 3 H2 (g) --> 2 NH3 (g) Substance Amount Used N2 10,000 g H2 15,000 g Amount Produced 11,150 g Substance NH3 If the company chemist calculated that 12,163 g of NH3 should be produced, what is the percent yield?