Asample of nitrogen gas expands in volume from 1.3 to 5.7 l at constant temperature. calculate the work done in joules if the gas expands (a) against a vacuum: j (b) against a constant pressure of 0.60 atm: × 10 j enter your answer in scientific notation. (c) against a constant pressure of 4.7 atm: × 10 j enter your answer in scientific notation.

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61

State one important difference between a physical change and a chemical change?