nathanprather5904 nathanprather5904

22-04-2024
Chemistry

contestada

Consider the following thermochemical equation:

2 Na2O2(s) + 2 H2O(l) 4 NaOH(s) + O2(g) ΔH° = -126 kJ

Calculate the enthalpy change (kJ) when 45.0 g of Na2O2 reacts with excess water?
Report your answer with the correct number of significant figures. Do not include units in your answer.

Respuesta :

Otras preguntas

Suppose u = f(x, y) with x = r cos θ and y = r sin θ. find ∂u ∂r .

what is 3.61 × 10^-2 in standard form?

75 candies decreased by 25

I need help with question 7, don't really get it?

A test is worth 140 points. Ten percent of those points are from one short-answer question. How many points is the short-answer question worth?

The image above shows a common European weather pattern. This pattern pushes warm, dry African winds called __________ toward Europe.

4j-2/2=4j+5 4j minus 2 divided by 2 equals 4j plus 5 ?

Instructions: Select the correct answer from each drop-down menu. Complete the following passage with the correct transition words. As mother had told them, l

(MC) Read these paragraphs and answer the question that follows: In 2008, more than one million American students gave nearly 20 million service hours to the

PLEASE HELP ME PLEASE