The elements Oxygen, Sulfur, Selenium, and Tellurium are all found in the same group (16) on the table. These elements are grouped together because they . a
react in similar ways
b
are noble gases
c
are metals
d
have the same atomic mass

Use the standard enthalpies of formation for the reactants and products to solve for the δhrxn for the following reaction. (the δhf of c2h4 is 52.26 kj/mol, co2 is -393.509 kj/mol, and h2o is -241.818 kj.) c2h4 (g) + 3o2(g) 2co2 (g) + 2h2o(g) δhrxn = the reaction is .

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?