A sample of CO2 has a volume of 6.08 cm3 at 2.0 atm. At what pressure would this sample of gas have a volume of 42.0 cm? А
28.9 atm
00
2.89 atm
С
0.289 atm
D
289 atm

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.