Use the mass and volume data to calculate the density of lead.

Mass of lead = 567.5 g

Volume of lead = 50.0

What is the density of lead?

28,375
11.35
617.7
0.09

Becquerel expected to find ( he developed the photographic plate that had sun-exposed minerals on top of it. becquerel expected to find ( he developed the photographic plate that had been in the closed drawer.

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 is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )