13. Side view of a toy train engine: Side View of a Toy Train Engine
Train engine
2 newtons
5 newtons
A toy train engine rests motionless on a track. One student begins pushing the engine to the right with a
force of 2 Newton. At the same time, another student begins pushing the engine to the left with a force
of 5 Newton. Which of the following best describes the resulting?
A. It travels left at a constant speed.
B. It travels left at an increasing speed.
C. It travels right at a constant speed.
D. It travels right at an increasing speed.
1

quartz

explanation:

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.

answerapplication program;