In a similar experiment as described in the procedure, a student combined 121.3 mg of aluminum (mm = 26.98 g/mol) with 25.00 ml of 1.00 m hcl(aq). 175.6 g of water was collected when the reaction was complete. the lab conditions were 25 °c, and 765 torr barometric pressure what is the pressure of h2(g) collected?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

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.