What is galvanisation?

Electrical energy is used to spin the blades of a ceiling fan. If the electricity is cut off, the fan blades will slow down and eventually stop spinning. Why? A. All the kinetic energy of the fan blades has been transformed into potential energy. B.

What is the symbol for uranium and it's atomic number?

What is the cause of chemical weathering? A. wind B. sunlight C. acids D. gravity

Which element has an ion that is smaller than an ion of calcium? potassium strontium cesium magnesium

When may a hypothesis be revised?

How can the solubility of a solution be increased? By increasing the temperature. By decreasing the temperature. By increasing the amount of solvent added. By decreasing the amount of solvent added.

Read the scenario. Ammonia is obtained from a reaction between nitrogen and hydrogen gases. The mole ratio between hydrogen gas and nitrogen gas is 3 to 1, and the mole ratio between ammonia and hydrogen gases is 2 to 3.

Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction.

State the formula for density in words and mathematical symbols.

How many fe (ii) ions are there in 15.0 g of feso4?