How many joules are needed to change 60.0g of water at initial temperature of 34.5 degrees C to 43.8 degrees C?

How many atoms are there in 5.70 mol of mg

Word equation for k+ h2o yield koh + h2

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.