How many grams of nh3 are needed to provide the same number of molecules as in 0.65 grams of sf6?

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Which formula can be used to calculate the molar mass of hydrogen peroxide

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?