Copper atoms are oxidised at the positive electrode to Cu2 + ions, as shown in the half equation.

Cu (s) Cu2 + (aq) + 2e-

(i) How does the half equation show that copper atoms are oxidised?

You will need 0.0264 pounds of baby lotion. How many millimeters of baby lotion will you need if the density of the hand lotion is 1.15 g/ml? How many grams of baby lotion will you need?

Which process increases the potential energy of the particles of a sample? (1) condensation (3) solidification (2) deposition (4) vaporization

Which equipment will best separate a mixture of iron filings and black pepper? magnet voltmeter triple-beam balance filter paper

How do you ocean floor features such as trenches a mid ocean ridges form

Four ice cubes at exactly 0°C having a total mass of 53.5 g are combined with 115 g of water at 75°C in an insulated container.

What is the name of a compound that has the formula C6H6

A 8.53 g sample of BaCl2 barium chloride is reacted with silver nitrate to produce silver chloride and bariums nitrate to give 8.72 g of silver chloride.

How does water vapor get into the atmosphere?

Which statement a-d about a state function is not correct? A - the value of a stage function can change along a path. B-the final value of a state function is independent of the path taken to reach the final state.

100mL of water initially at 35°C is placed inside a calorimeter. What will be the final temperature in the calorimeter if 50g of aluminum initially at 100°C is added to the water?