It the exponent! It means how many of them their are
Nuclear fission is a process by which the nucleus of an atom is split into two or more smaller nuclei, known as fission products. The fission of heavy elements is an exothermic reaction, and huge amounts of energy are released in the process.
Answer:
if you mean 2 hours and 25 minutes than 8:45
Explanation:
Hello the density is 49.78 g/cm^3 of the object
Answer:
585 kcal
.
Explanation:
- From the balanced equation:
<em>2Cl₂(g) + 7O₂(g) + 130 kcal → 2Cl₂O₇.</em>
130 kcal are needed to produce 2 mol of Cl₂O₇.
<em><u>Using cross multiplication:</u></em>
130 kcal are needed to produce → 2 mol of Cl₂O₇.
??? kcal are needed to produce → 9 mol of Cl₂O₇.
<em>∴ The energy required to produce 9.00 mol of Cl₂O₇ </em>= (130 kcal)(9 mol)/(2 mol) = <em>585 kcal.</em>