While getting a beaker from the shelf, robert dropped the beaker and it broke. what should robert do first?
a. inform his teacher.
b. get a broom and sweep up the beaker.
c. put on gloves and carry the glass to the trash can.
d. carefully place the glass shards inside a separate beaker.

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block