For which items are moles an appropriate unit of measurement?

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.

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

How many atoms are there in 5.70 mol of mg