A speed time graph shows that a car moves at 20 m/s for 15s. The car's speed steadily decreases until it comes to a stop at 40s. Which of the following describes the slope of the speed time graph from 15s to 40s

The net ionic equation, H3PO4 (aq) + 3 OH - (aq) Imported Asset PO4-3 (aq) + 3 H2O (l), best represents which type of acid-base reaction? strong acid-strong base weak acid-strong base strong acid-weak base weak acid-weak base

In order for a coupled reaction to have a net ΔG of - 3.3 kcal/mol, the ΔG of the endergonic reaction needs to be more negative than the ΔG of the exergonic reaction. both reactions need to be endergonic. both reactions need to be exergonic.

How would you expect an instrument with a high amplitude to sound compared to an instrument with a low amplitude

3 Al2 (SO4) 3 What is the total number of atoms in this equation?

What is definite volume

A salt crystal has a mass of 0.18 mg. how many nacl formula units does it contain?

Which of the following is easist to accelerate? A. bowling ball B. tennis ball C. golf ball D. ping pong ball

Fish need at least 4 ppm dissolved o2 for survival. part a what is this concentration in mol/l?

How does a runoff get polluted.

Anatom that has lewer neutrons than protons and more electrons than protons is