Thermochemistry measures heat flow across the boundary between the system and its surroundings
He suggested that the continents<span> plowed across the ocean floors. ... Because </span>Wegener<span> could not identify the cause of </span>continental drift<span>, most geologists </span>rejected <span>his </span><span>idea. that is why</span>
True. It's to my knowledge that gas has no smell, so they add this stinky stuff so it can be detected.
the indicator will have different colors in the different solutions
