7. Shown below is the aqueous reaction of KNO2, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl (aq) + 2 SnCl2 (aq) à 2 SnCl4 (aq) + N2O (g) + 3 H2O (l) + 2 KCl (aq)
a. Is this a redox reaction? If so, which atom was reduced and which atom was oxidized. Support your answer by determining the oxidation states of the relevant atoms.
b. If 50.0 g of KNO2 is consumed in this reaction, how many liters of N2O would be produced at STP?
c. How many grams of SnCl2 would need to react to produce 1.6 L of N2O gas at a pressure of 1.25 atm and a temperature of 320 K?
d. Consider a 250 mL solution of 86 mM KNO2. If all of the KNO2 in this solution is consumed by this reaction, how many moles of water will be produced?
7. Shown below is the aqueous reaction of KNO2, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl (aq) + 2 SnCl2 (aq) à 2 SnCl4 (aq) +...
6. Vinegar is 5.00% (m/v) acetic acid (CH3COOH). How many milliliters of vinegar would you need to react with an excess of baking soda (NaHCO3) in order to generate 10.0 L of carbon dioxide gas at 1.05 atm and a temperature of 25.0°C? 7. Shown below is the aqueous reaction of KNOX, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl(aq) + 2 SnCl2 (aq) → 2 SnCla (aq) + N20 (g) + 3 H20 (1) + 2 KCl (aq)...
Question 51 pts What is oxidized in Zn(s) + SnCl2(aq) --> Sn(s) + ZnCl2(aq) ? SnCl2(aq) Sn(s) Nothing is oxidized, only reduced. ZnCl2(aq) Zn(s) Flag this Question Question 61 pts What has bonds breaking and new bonds forming during a reaction? endothermic Activation energy transition state exothermic Delta H Flag this Question Question 71 pts How many moles is 9.257 x 1021 atoms of argon? 1.54 x 1043 moles argon 1.54 x 1044 moles argon 1.538 moles argon 1.54 x...
Calcium metal reacts with acid to produce hydrogen gas: Ca(s) + 2 HCl(aq) + H2(g) + CaCl2(aq) How many liters of hydrogen gas (at STP) would be produced in a reaction that consumed 3.6 g of HCI?
The following redox reaction occurs in acidic, aqueous solution HCl(aq) + NH4Cl(aq) + K Cr2O7 (aq) → KCl(aq) + CrCl(aq) + N2(g) + H2O The coefficients in the simplest balanced equation are NHACI Craig H,0 O A. 2,2,7 OB. 2,1,6 OC. 2,1,4 OD. 1,1,3 E. 1,2,7
2. How many liters of hydrogen (Hz) gas can be produced from the reaction of 0.750 g of zinc (Zn) metal with excess HCl at STP. Zn (s) + 2 HCl(aq) + H2(g) + ZnCl2 (aq)
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
You are given the following reduction half reactions in basic solution: 2 NO2-(aq) + 3 H2O(l) + 4 e- →N2O(g) + 6 OH-(aq) E° = 0.1500 V HgO(s) + H2O(l) + 2 e- → Hg(s) + 2 OH-(aq) E° = +0.0984 V A. If this redox reaction occurs, how many total electrons will have to be transferred per mole of reaction? N2O(g) + 2 OH-(aq) + 2 HgO(s) → 2 NO2-(aq) + H2O(l) + 2 Hg(s) B. What is the...
How many liters of hydrogen gas would be produced by the reaction of 40.4 g of Al with excess HCl at STP according to the following reaction? 2 Al (s) + 6 HCl (aq) → 2 AlCl₃ (aq) + 3 H₂ (g)
7. How many liters of 0.775 M solution can be prepared from 55.0 g of ammonium iodide? Calculate the volume, in milliliters, of 0.468 M sodium sulfate solution to provide 2.50 g of sodium sulfate. 8. 9. How many milliliters of water should be added to 30.0 mL of a 4.00M solution to obtain a solution with a concentration of 0.200 M. 10. How many grams of AgPO4 can be produced from the reaction of 2.50 L of 0.200M AgNO,...
Figure out whether the balanced chemical reaction shown below involves oxidation reduction. If it does figure out which element becomes oxidized by the reaction and which element becomes reduced by the reaction. Pick the correct statement about this reaction from the multiple choices. 4 KMnO4(aq) + 5 CH3OH(aq) + 12 HCl(aq) 4 MnCl2(aq) + 5 HCO2H(aq) + 4 KCl(aq) + 11 H2O(l) a) This reaction is not a redox reaction. b) In this reaction H becomes oxidized and Cl becomes...