20. Which of the following metals will react with hydrochloric acid (HCI) to form hydrogen gas...
Instructor Date Table I: Reactivity of metals with Hydrochloric A vith Hydrochloric Acid, HCI Metals Observation with HCI Bubbling F Dissolvity Reactions (molecular, ionic, net-ionic) Bubbling 1-white foaming |- Rapid rencion No reactan No reaction Ebubloliny - gas Zn |- Dissolving instant revern one bubble Molecular equation: 2A19 + 6HCI > 3 Yes, Slowly Gas evolved Ionic equation: 2Al +64t care
Zinc reacts with hydrochloric acid to form hydrogen gas. A 0.258 g sample of Zinc reacts with 25.0 mL of 0.250 M HCI solution. What volume does the hydrogen has formed occupy at 24.0 °C and 0.990 atm? Zn(s) + 2HCl(aq) --ZnCl2(aq) + H2(g) 33.0 mL 97.3 mL 6.21 mL 77.0 mL
Which of the following is a weak acid? (following number are subscripts) a. Hydrochloric acid, HCI b. Hydrocyanic acid, HCN c. Chloric acid, HCIO3 d. Nitric acid, HNO3 e. Sulfuric acid, H2S04
1-Each of the following metals reacts with nitric acid to form the metal chloride and hydrogen gas. Complete and bal- ance the reactions to show the formation of these products. a. Zn (s) +HNO, (aq)-> b. Pb (s) +HNO3 (aq) - c. Na (s) HNO3 (aq)- d. Al (s) HNO, (aq)- 2- Complete and balance these acid-base neutralization reactions: a. CSOH (aq) HBr (aq) b. HBr (aq) Fe(OH)2 (s) c. H,PO4 (aq) +KOH (aq)- 3-In a titration experiment, two drops...
Binary compounds of alkali metals and hydrogen react with water to liberate hydrogen gas. The hydrogen gas from the reaction of a sample of sodium hydride with an excess of water fills a volume of 0.500 L above the water. The temperature of the gas is 35 ∘C and the total pressure is 750 mmHg . Part A Find the mass of hydrogen gas liberated. Part B Find the mass of sodium hydryide that reacted.
Based on the activity series, which of the following metals will react with a solution of Cu(NO3)2? ?Ag Sn QUESTION 2 Which of the following metals will react with an aqueous hydrochloric acid solution? ?Au QUESTION 3 What is the oxidation number of C in Na2C204? O +2 ? +4 ? +5
1.) How many moles of calcium metal react with 5.00 mol of hydrochloric acid? ____Ca(s) + HCI(aq)----- _____CaCI2(aq) + _____H2(g) 2.) How many grams of AgCI, silver chloride, are produced from 25.0 mol of AgNO3, silver nitrate? ____AgNO3 + ____BaCI2--------------- _____AgCI + _____Ba(NO3)2
2. a) Define the meaning of the term "activity series" of metals b) How does it relate to oxidation? 3. Define "chemical periodicity" and use metallic properties as an example, 141 Relative Reactivity of Metals and we 4. List the changes that you will observe to indicate that a reaction all observe to indicate that a reaction has occurred. Peranapan 5. Write the equation for each of the following renctions. Construct a minature activity series listing lead, zinc, hydrogen, potassium...
Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 4.34 mol of magnesium and 4.34 mol of hydrochloric acid are reacted, how many moles of hydrogen gas are produced? a. 8.68 mol b. 2.17 mol c. 4.34 mol d. 6.34 mol e. none of these
10. Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. a. Write a balanced reaction (2 pts) b. How many moles of HCl are consumed per 0.4 mole of zinc? (3pts) C. What volume of hydrogen gas is produced at standard temperature and pressure per 2.5 g of zinc used? (6 pts)