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

What is the shape of boron trifluoride?

Round off measurement 0.0003095 to 3 significant figures

How much does it cost to drive 75 minutes

How chemical equations demonstrate conservation of mass?

The compressed gas in a sealed container has a gauge pressure of 185.4 kilopascals. If the air around the container is at standard pressure, what is the absolute pressure inside the container? A. 84.1 kPa B. 143.4 kPa C. 184.4 kPa D. 186.4 kPa E.

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.