An athlete is running a 5-km race at am average speed of km/h. She has to stop to tie her shoe. After tying her shoe, she continues running at 8km/h. Why would her average speed for the entire race be less than 8km/h

Elements named after mythological beings

A company wants to develop audio speakers using an inexpensive type of plastic that has a very high quality of sound output.

How many molecules of glucose are in a 2.0mL of a 1.02mM solution of glucose?

Under what condition is phase rule applied

How many grams of magnesium bromide, MgBr2, must be dissolved to prepare 400. mL of a 0.183 M aqueous solution of the salt?

Given Mg (CO3) 2, CO2 and Cu3 (PO4) 2, provide the names for each of these molecules.

How does probability fit into the description of the atom?

Copper conducts electricity, while sugar, C6H12O6, does not. Can you explain why this is so in terms of structure and/or bond types.

During reflux and distillation, how is it possible to lose the product?

Scientist think that many species have one common ancestor. Which answer choice best tells why scientists think this way? Group of answer choices homologous structures all of the answer choices the fossil record vestigial structures