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?

Select the correct pairing of symbol to term: H2SO4 + Mg (OH) 2 → MgSO4 + 2 H2O M N O P Question 3 options: a) M - Arrhenius Acid N - Arrhenius Base O - Salt P - Water b) M - Arrhenius Base N - Arrhenius Acid O - Salt P - Water c) M - Arrhenius Acid

The major ways people are exposed to toxins are by ingesting them, inhaling them, injecting them, or absorbing them through the skin.

Which statement accurately describes why air pressure decreases as altitude increases? As you increase altitude the temperature difference between the layers of the atmosphere causes extreme winds and the air pressure in turn decreases.

Sodium metal is quiet soft whereas sodium chloride crystals are quiet hard explain why

Which of the following are correct statements? Check all that apply. A. Potassium (K) and magnesium (Mg) are not in the same periodic table period. B. Potassium (K) and magnesium (Mg) are both nonmetals. C.

What force can move the oceans

How many moles of NO3 are there in 6.2g

Which compound will conduct electricity when it is dissolved in water? a. CH4 b. CuSO4 c. C6H6 d. C6H12O6

Peter is 5 ft, 11 inches tall. Paul is 176 cm tall. Who is taller?

Which is the MOST accurate description about how the different types of feedback mechanisms work