A100 gram sample of cerium-143 has a half life of 33 hours. how long will it take until there are only 6.25 grams of cerium-143 left?

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment