Part a find δs∘ for the reaction between nitrogen gas and hydrogen gas to form ammonia: 12n2(g)+32h2(g)→nh3(g) express your answer using one decimal place. δs∘δ s ∘ = j/k previous answer request answer incorrect; try again; 3 attempts remaining part b complete previous part(s) provide feedback

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.