Explain how are elements classified and provide an example

A calculator answer of 423.6059 must be rounded off to three significant figures. what answer is reported?

Which best describes how sediment forms?

What are the ways to increase solubility of sugar cubes in water?

Zinc dissolves in hydrochloric acid to yield hydrogen gas: zn (s) + 2hcl (aq) → zncl2 (aq) + h2 (g) when a 12.7 g chunk of zinc dissolves in 500. ml of 1.450 m hcl, what is the concentration of hydrogen ions remaining in the final solution?

Researchers are going into a rain forest for three days and want to travel with minimal supplies they have laptops handheld flashlight transistor radio's digital cameras and sell phones but they will not have access to power outlets or housing which

g write net ionic equations for the reactions of h2po4 - an amphiprotic ion with aqueous solutions of hcl koh

Eagles use sharp talons to grab fish from the water. What characteristic of life is this most directly an example of?

Which of the following statements about rock and mineral resources is true

What are similarities between opinion based research and observation based research

What does your circulatory system transport?