A sample of 5.72 g of liquid 1-propanol, C, H, O, is combustod with 43.4 g of oxygen gas, Carbon dioxide and water are the products.

How many grams of the excess reactant remain after the reaction is complete?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

How hot is the suns corona? (integrated science)

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20