I researched a science project Snowstorm in a jar , I need to find the Hypothesis , Results , Conclusion, Problem , and Abstract.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.