Use the information below to calculate the ∆H for this reaction: NaOH(s) + HCl(g) → NaCl(s) + H2O(g) AHreactants = -519.0 kJ/mol AHproducts = -652.8 kJ/mol O +133.8 kJ/mol 0 -133.8 kJ/mol 0 -1171.8 kJ/mol O +1171.8 kJ/mol​

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

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.