Determine the numbers of atoms in each of the following:

5.40g b
0.250 mol k
0.0384 mol k
0.02550g pt
1.00 x 10^-10g au

Asample of gas occupies 17 ml at –112°c. what volume does the sample occupy at 70°c a. 10.6 ml b. 27 ml c. 36 ml d. 8.0 ml you

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.

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?