A train covers 168 km in 4 hours. Find its speed.

Any measurement that includes both magnitude and direction is called a

Why do we ignore noble gases usually when we discuss electronegativity values?

How much co2 is realsed by burning trash

Which organisms provide energy to all other organisms in this food web?

Which would slow down a reaction that is occurring in a solution at 25 degrees Celcius? Question 11 options: increase the air pressure above the solution add a catalyst put the solution over ice add 10mL of water at 30 degree Celcius

Zn (s) + cu2 + (aq) →zn2 + (aq) + cu (s). part a under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 51.0 g of copper is plated out?

13 This word describes the circulatory system that provides nutrients and oxygen to living cells of the body.

Write the outer electron configuration for the group 15 element in the fourth period.

Describe the relationship between transmittance and the absorbance?

Are the following statements true or false? A. Two pi bonds comprise a double bond. B. Bonds formed from atomic p orbitals are always sigma bonds. C. Side-to-side overlap results in a bond with electron density above and below the bond axis. D.