Which statement accurately describes italy's terrain? a. large areas of tropical rainforest provide ample timber resources. b. flat grasslands stretch from the tyrrhenian sea to the adriatic sea. c. lack of rainfall makes good pastureland for grazing animals scarce. d. fertile plains make it possible for farmers to grow a variety of crops.

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

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?