How many lead atoms are in a cube of lead that has a volume of 2.18 cm3 if the density of lead is 11.3 g/cm3?

Breathing and acid-base balance lab report 10 1. what was the starting color and final color for beaker 1? what was the time to change to the final color (include your units) ?

What is the molar mass of potassium

A mass of 34.05 g of H2O (s) at 273 K is dropped into 185 g of H2O (l) at 310. K in an insulated container at 1 bar of pressure. Calculate the temperature of the system once equi - librium has been reached.

Which one is often used in magnets gold or cobalt?

21.7 mL of gas at 98.8 kPa is allowed to expand at constant temperature into a 52.7 mL container. What is the new pressure of the gas? kPa.

How many sulfide ions are present in 23.5g of Sb2S3

2. An automobile tire has a pressure of 210 kPa at 293 K. What will be the tire pressure after driving, if the tire temperature rises to 308 K?

Students measuring the mass of a rock record 6.759 g, 6.786 g, 6.812 g, and 6.779 g. Which other measurement of the block's mass would be most precise? A. 6.702 g B. 6.781 g C. 6.605 g D. 6.858 g

What two elements make up dihydrogen monoxide?

What did scientists observe using the earliest microscopes