Reaction in photo… Which statement about the reaction is correct?
(1 point)
A.) H20 is an acid, and H30+ is its conjugate base.
B.) HCl is an acid, and H30* is its conjugate base.
C.) HCl is an acid, and Cl- is its conjugate base.
D.) H20 is an acid, and Cl- is its conjugate base.

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Which lists the organs in the correct order as food passes from the mouth to anus?

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?