2.82g methane (CH4) was combusted and the heat was absorbed by 165 mL of water that increased in temperature by 83.6°C. Calculate the AHc of methane in kJ/g.

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Which element is the least metallic between cadmium, silver, zinc, or iron?

Titration reveals that 11.6 ml of 3.0m sulfuric acid are required to neutralize the sodium hydroxide in 25.00ml of naoh solution. what is the molarity of the naoh solution?