Using these data, calculate AHxn for this chemical reaction. Round to the nearest whole number.
2C2H6(g) + 702(g) → 4CO2(g) + 6H2O(g)
AHM=
KJ

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

What’s the scientific notation for the number 6,840,000,000

The pressure in a fluid is affected by which characteristics of that fluid