if lance armstrong is riding his bicycle at speeds of 15 m/s, how long will it take him to travel 81.9 meters?

A flask that has a mass of 345.8 g is filled with 225 mL of carbon tetrachloride. The mass of the flask and the carbon tetrachloride is found to be 703.55 g. Calculate the density in g/mL and kg/L.

This graph shows the solution to the inequality y > 3x + 14 and y < 3x + 2

Name the hypothesis that best explains how the moon formed

One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body? A. 1 kilogram B. 500 grams C. 250 grams D. Practically none

According to Le Chatelier's principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

What is the atomic weight of a hypothetical element consisting of two isotopes, one with mass = 64.23 amu (26.0%), and one with mass = 65.32 amu? (a) 65.3 amu (b) 64.4 amu (c) 64.9 amu (d) 65.0 amu (e) 64.8 amu

Is this base a physical or chemical property?

Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte. a) LiClO4 b) HClO c) CH3CH2CH2OH d) HClO3 e) CuSO4 f) C12H22O11

Give examples of temporaty physical change

Which of these is a source of sediment? A. Fragments of other rocks B. Chemicals and Minerals dissolve in water C. Sea shells D. All of the above