This chemical equation represents a chemical reaction. CaCO3 + 2HCl → CO2 + CaCl2 + H20
Which chemical is a reactant in this reaction?
A. CaCl2
B. H20
C. HCI
D. CO2
SUBMIT

Explain vector addition, triangle method and parallelogram method

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

Which of the following best describes the circuit shown below?