13. The following reaction takes place when an electric current is passed through
2 H2O → O2 + 2 H2O
It is an example of a .... .....reaction.
14. What is oxidized and what is reduced in the following reaction?
2 Al(s) + 3 Br2(i) → 2 AlBr3
The following reaction takes place when an electric current is passed through
The following reaction takes place when an electric current is passed through water. It is an example of a reaction 2H200 dolary, 2H2(g) + O2(g) Select one: A decomposition O 8. combination OC. combustion O D. double replacement E single replacement What is the molar mass, to three significant figures, of sodium phosphate, NagPO4? Select one: O A. 2269 8.354 g O C. 1190 D. 1640 E. 308 g How many moles of water, H20, are present in 75.0 g...
What is oxidized in the following reaction? 2 Al (s) + 3 Br2 (l) → 2 AlBr3 (s) A- nothing is oxidized B- Br2 C- AlBr3 D- Al
3. A steady electric current is passed through molten MgCl, for exactly 1.00 hour, producing 243 grams of Mg metal. If the same current is passed through molten AICI, for 1.00 hour, what is the mass of Al metal produced?
Part A Balance the following equation by the half-reaction method. The reaction takes place in basic solution. Fe(s) + H2O(1) + O2(g) → Fe(OH)3(s) Express your answer as a chemical equation including phases. = AQ R O 2 ? 4Fe(OH)2 (s) + 2H, O(1) + O2 (g)+4Fe(OH)3 () Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining
Which of the following molecules could participate in hydrogen bonding? Question 1 options: A) CH4 B) CH3NH2 C) CH2O D) C2H5OH E) HF F) H2O G) CO2 H) HCl I) CH3OCH3 Question 2 (2 points) Question 2 options: For the reaction CH4 + O2 →CO2 + H2OCH4 + O2 →CO2 + H2O what are the coefficients for each reactant or product? a. CH4 b. O2 c. CO2 d. H2O Question 3 (2 points) Question 3 options: For the reaction NaOH + AlCl3...
The reaction that takes place in the reusable solid rocket booster for the space shuttle is shown by the following balanced equation: 3 Al (s) + 3 NH4ClO4 (s) 6 Al2O3 (s) + AlCl3 (s) + 3 NO (g) + 6 H2O (g) What volume of NO gas is formed from the reaction of 100 kg of Al (s) if the reaction is run at 1.03 atm and 300EC? What is the mass, in kg, of water (MM = 18.015...
What mass of gold is produced when 7.20 A of current are passed through a gold solution for 37.0 min ? Express your answer with the appropriate units. t Gold Electroplating 6 of 6 Constants| Periodic Table Part A Metal plating is done by passing current through a metal solution. For example, an item can become gold plated by attaching the item to a power source and submerging it into a Au+ solution. The item itself serves as the cathode,...
Balance the following equation by the half-reaction method. The reaction takes place in basic solution. Fe(s) + H2O(1) + O2(g) → Fe(OH)3(s) Express your answer as a chemical equation including phases.
1- Calculate the following: A- Number of moles in 10 gram of AlBr3. B- Number of Atoms in 10 gram of Al(OH)3. C- Number of molecules in 10 gram of Cr(NO3)5. D- Number of grams in 10 10 atoms of AlBr3. 2- How many gram of Oxygen is in 10 gram of Zn(OH)2? 3- Balance the following chemical equations: A- O2--------------->O3 B-Na++Al(OH)3--------------> C-KI+Mg(NO3)2---------------> D-FeCl3+Ca3(PO4)2---------------> E- C4H12+O2---------------->CO2+H2O 4- Find Oxidized –Reduced and number of electrons: a) 3Ba+N2---------->Ba3N2 OX: RE: Electrons: b)...
8) Calculate the cell potential for the following reaction that takes place in an electro chemical cell at 25°C. Al(s) A13+(aq, 0.115 M)I I Al3+(aq, 3.89 M) | Al(s) A13+(aq)+3 e Al(s) Eo =-1.66 V A) 0030 V B) 0.090 V 91.66 V D) 0.00 V E) 0.060 V