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Identify the oxidation-reduction reactions among the following:
1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)2. 2 Na(s) + Cl2(aq) → 2NaCl(s)3. 2 Mg(s) + O2(g) → 2 MgO
The objective is to implement a menu-based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declared to manage bank accounts.
What volume of 2.94 M HNO3 can be made by diluting 128 mL of concentrated nitric acid (16.0 M HNO3)
Given that 4NH3(g)+5 O2(g)---> 4NO (g)+ 6H2O (g), If 8.2 moles of NH3 React with sufficient oxygen, how many moles of water will be formed?
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
It takes 51.0 J to raise the temperature of an 11.0 g piece of unknown metal from 13.0 degrees celcius to 24.0degrees celcius What is the specific heat for the metal? Express your answer numerically, in Joules/gram Degrees celcius
How many grams of ethylene glycol would be needed to prevent 4kg of water from freezing above -5.0 degress C
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
HFC's (hydrofluorocarbons) are replacing CFC's (chlorofluorocarbons) because the C-H and C-F bonds are stronger than C-Cl bonds. If the bond enthalpy of a C-F bond is 482 kJ/mol.
What mass of NaN3(s) must be reacted in order to inflate an air bag to 74.6 L at STP?
How many grams of sucrose ,use be added to 593g of water to give a solution with a vapor pressure 0.953 mmHg less that that of pure water at 20*c
How many grams of carbon dioxide would be obtained from the burning of 92g of ethanol in oxygen?
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