12. How many moles of helium are needed to fill a balloon that has a volume of S

Question

12. How many moles of helium are needed to fill a balloon that has a volume of S.4S L and a pressure of 820 mm Hg at room temperature of 23°C? Assume ideal gas behavior. 13. 2.358 g of a gas occupies 1.39 L at STP. What is the molar mass of the gas? b. What is the likely gas? gas that is collected over water. The volume of gas collected is 0.250L at 26 C and 765 torr total pressure. P (H,O)-25.21 torr. The reaction is 2 KCIO, 2 KC1+30() a. How many moles of O, are collected? How many grams of KCI0, were decomposed?

Explanation / Answer

Q: What is like gas?

Ans: a pure gas can be made up of individual atoms ( gases like Nobel gas neon elemental molecule made up with only oxygen O2 these things are called as like gas.

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.