in this question mass of fe doesnot given so i send answer in term of mass of iron. put the value of mass of fe and get the answer. if the solution helps then rate it.
MISSED THIS? Read Section 4.3 (Pages 145 - 149): Watch KCV 4.3, IWE 4.4. Hydrobromic acid...
MISSED THIS? Read Section 4.3 (Pages 145-149); Watch KCV 4.3, IWE 4.4 Part A Hydrobromic acid dissolves solid iron according to the followiaung reaction What mass of HBr (in g) would you need to dissolve a 3.4-g pure iron bar on a padlock? Express your answer using two significant figures. View Available Hint(s) m Submit
23. Balance each chemical equation. MISSED THIS? Read Section 4.2; Watch KCV 4.2, IWE 4.2.43 a. CO2(g) + CaSiO3(s) + H2O(1) - SiO2(s) + Ca(HCO3)2(aq) b. Co(NO3)3(aq) + (NH4)2S(aq) → Co2S3(s) + NH4NO3(aq) C. Cu2O(s) + C(s) – Cu(s) + CO3) d. H2(g) + Cl2(8) ► HCI() och chemical equation Reaction Stoichiometry 25. Consider the unbala, hexane: Jer the unbalanced equation for the combustion of C6H14(8) + O2(g) → CO2(8) + H2O(g) Balance the equation and determine how many moles...
23. Balance each chemical equation. TEVSMIVC On MISSED THIS? Read Section 4.2; Watch KCV 4.2, IWE 4.2, 4.3 a. CO2(8) +CaSiO3(s) + H2O(1) SiO2(s) +Ca(HCO3)2(ag) b. Co(NO3)3(aq) + (NH4)2S(aq) c. Cu2O(s) +C(s) d. H2(g) + Cl2(g) HCl(g) > Co2S3(s) + NHNO3(ag) _ Cu(s) +CO(g) onah chomical eauation 25. Consider the unbalanced equation for the combustion of hexane: C&H14(8) + O2(8) CO2(g) + H2O(g) Balance the equation and determine how many moles of O, are required to react completely with 7.2...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155), Watch KCV 4.4, IWE 46 Part A Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + Ch. (e) 4PCS() A reaction mixture initially contains 45.53 g P, and 131.5 Cla Once the reaction has reached completion what massing of the excess reactant is let? Express the mass in grams to three significant figures. View Available Hints) EVO AE + ? Submit...
MISSED THIS? Read Section 15.3 (Pages 637-642); Watch KCV 15.3, IWE 15.2. Experimental data for the reaction 2NO2(g) + F2(g) + 2NO2F(g) are given in the table below. (NO2) (M) (F2] (M) Initial rate (M/s) 0.100 0.100 0.026 0.200 0.100 0.051 0.200 0.200 0.103 0.400 0.400 0.411 Part A Enter an expression for the reaction rate law. Express your answers in terms of k, (NO2), and (F2). View Available Hint(s) IVO AQ R O O ? rate = Submit
21. Calculate the molarity of each solution MISSED THIS? Read Section 5.2; Watch KCV 5.2, IWE 5.1 a. 3.25 mol of LiCl in 2.78 L solution b. 28.33 g CH12O6 in 1.28L of solution c. 32.4 mg Na Cl in 122.4 mL of solution
MISSED THIS? Read Section 14.6 (Pages 601 - 613); Watch KCV 14.6, IWE 14.9. Calculate the freezing point and boiling point of a solution containing 12.4 g of naphthalene (C10H8) in 105.0 mL of benzene. Benzene has a density of 0.877 g/cm Part A Calculate the freezing point of a solution. (K: (benzene) = 5.12 °C/m.) Express your answer in degrees Celsius to one decimal place. O ASC O O ? Ts = Submit Request Answer Part B Calculate the...
MISSED THIS? Read Section 7.4 (Pages 272-278), 7.6 (Pages 281-284); Watch KCV 7.4, 7.6, IWE 7.2, 7.7. Natural gas burns in air to form carbon dioxide and water, releasing heat. CH&(g) +O2(g)->CO2(g) + H20(g) AH 802.3kJ What minimum mass of CH4 is required to heat 50.0 g of water by 24.0 °C? (Assume 100% heating efficiency) (For water.C 4.18 J/g "C). o 10.0 g e 0.100 g o 9.97 g 2.50 x 10 g Request Answer Submit
Review MISSED THIS? Read Section 44(Pages 149-155) Watch KCV 4 4. WE 46 Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + 6C ( -4PCI(1) A reaction mixture initially contains 45 27P and 130.5 g Cl Part A of the excessa ris Once the reaction has reached completion what mass in Express the mass in grams to three significant figures. View Available Hints) O AE = om? Sub
MISSED THIS? Read Section 7.4 (Page), Watch KCV 7.4, IWE 7.3 Part A A silver block, initially at 60.0 °C, is submerged into 100.0 g of water at 24.8 °C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.7 °C. The specific heat capacities for water and silver are water-4.18 J/( 8°C) and C ilver 0.235J/(8.°C). What is the mass of the silver block? Express your answer to two significant figures and include...