Help please i'll give brainliest! Please answer 18 and don't worry about 19 but please be reasonable and sensible PLEASE thank you!

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold