Measuring acceleration requires appropriate units. which unit is used to measure acceleration?
a: m/s
b: n
c: m/s2
d: kg·m/s

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.