Consider the reaction below. How many grams of nitric acid are needed tocompletely react with 4.22 g of a mineral that contains 69% copper (II)carbonate?CUCO3 + 2 HNO, --> Cu{NO3)2 + CO, + H2OMmass CUCO, = 123.6 g/molMmass HNO, - 63 g/mal4302

Solution stoichiometry involves the calculation of concentration of solutions in the given…

Answered: Consider the reaction below. How many…

Introductory Chemistry: A Foundation

8th Edition

ISBN:9781285199030

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter9: Chemical Quantities

Section: Chapter Questions

Problem 26QAP

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Ten mL of concentrated H3PO4 (91.7% by mass, d=1.69g/mL) was accidentally poured into a beaker containing 20.0 g of NaOH. Not all the NaOH was consumed. How many grams of NaOH were left unreacted? The equation for the reaction is H3PO4(aq)+3OH(aq)3H2O+PO43(aq)
3.93 Adipic acid is used in the production of nylon, so it is manufactured in large quantities. The most common method for the preparation of adipic acid is the reaction of cyclohexane with oxygen. Balance the skeleton equation shown be1ow.
4-103 Caffeine, a central nervous system stimulant, has the molecular formula C8H10N402. (a) How many moles of caffeine are present in 6.19 1025 molecules of caffeine? (b) Imagine you dissolve caffeine in water to a volume of 100.0 mL, which is known to have a density of 1.23 g/mL. How many molecules of caffeine are present in this volume? (c) How many nitrogen atoms are present in 3.5 mg of caffeine? (d) Complete the skeletal structure of caffeine, where all the bonded atoms are shown but double bonds, triple bonds, and/or lone pairs are missing. (e) Identify the various types of geometries present in each central atom of caffeine using VSEPR theory. (f) Determine the various relative bond angles associated with each central atom of caffeine using VSEPR theory (g) What is the most polar bond in caffeine? (h) Would you predict caffeine to be polar or nonpolar? (j) Consider the combustion of caffeine, which results in formation of NO2(g) as well as other expected products. Write a balanced chemical equation for this reaction. (j) The heat of combustion for caffeine is 2211 kcall/mol. How much heat will be given off if 0.81 g of caffeine is burned completely? (k) Calculate the weight of H2O(g) that can be prepared from 8.00 g of caffeine mixed with 20.3 g of oxygen gas.
A chemist prepared a compound that she thought had the formula FeI3. When the compound was analyzed, it contained 18.0% Fe and 82.0% I. Calculate the mass percentage composition expected for FeI3 and compare the result with that found in the analysis. Is this the correct formula of the compound?
The reaction of methane and water is one way to prepare hydrogen for use as a fuel: CH4(g) + H2O(g) CO(g) + 3 H2(g) If this reaction has a 37% yield under certain conditions, what mass of CH4 is required to produce 15 g of H2?
The reaction of iron(III) oxide with aluminum to give molten iron is known as the thermite reaction (page 172). Fe2O3(s) + 2 Al(s) 2 Fe(l) + Al2O3(s) What amount of Al, in moles, is needed for complete reaction with 3.0 mol of Fe2O3? What mass of Fe, in grams, can be produced?
The principal component of mothballs is naphthalene, a compound with a molecular mass of about 130 amu, containing only carbon and hydrogen. A 3.000-mg sample of naphthalene burns to give 10.3 mg of CO2. Determine its empirical and molecular formulas.
It sodium peroxide is added to water, elemental oxygen gas is generated: :math>Na2O2(s)+H2O(l)NaOH(aq)+O2(g) ppose 3.25 g of sodium peroxide is added to a large excess of water. What mass of oxygen gas will be produced?
A mordant is a substance that combines with a dye to produce a stable fixed color in a dyed fabric. Calcium acetate is used as a mordant. It is prepared by the reaction of acetic acid with calcium hydroxide. 2CH3CO2H+Ca(OH)2Ca( CH3 CO2)2+2H2O What mass of Ca(OH)2 is required to react with the acetic acid in 25.0 mL of a solution having a density of 1.065 g/mL and containing 58.0% acetic acid by mass?
The fizz produced when an Alka-Seltzer tablet is dissolvedin water is due to the reaction between sodium bicarbonate1NaHCO32 and citric acid 1H3C6H5O72:3 NaHCO31aq2 + H3C6H5O71aq2¡3 CO21g2 + 3H2O1l2 + Na3C6H5O71aq2 In a certain experiment 1.00 g of sodium bicarbonate and1.00 g of citric acid are allowed to react. (a) Which is the limitingreactant? (b) How many grams of carbon dioxide form?(c) How many grams of the excess reactant remain after thelimiting reactant is completely consumed?
Consider this reaction: 6Li(s) +N2(g) ---> 2Li3N(s) If the reaction is known to have an actual yield of 68% yield, how many moles of Li(s) would be needed to produce 3.00 moles of Li3N(s)?
The fizz produced when an Alka-Seltzer tablet is dissolvedin water is due to the reaction between sodium bicarbonate(NaHCO3) and citric acid (H3C6H5O72)3 NaHCO3(aq) + H3C6H5O7(aq)-------->3 CO2(g) + 3H2O(l) + Na3C6H5O7(aq) In a certain experiment 1.00 g of sodium bicarbonate and1.00 g of citric acid are allowed to react. The actual yield of CO2 was 0.436 g. a.) What is the theoretical yield of CO2? b.) What is the % yield?

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Consider the reaction below. How many grams of nitric acid are needed to completely react with 4.22 g of a mineral that contains 69% copper (II) carbonate? CUCO3 + 2 HNO, --> Cu{NO3)2 + CO, + H2O Mmass CUCO, = 123.6 g/mol Mmass HNO, - 63 g/mal 4302