Both Balloon A and B are at room temperature and pressure, Which of the followin

Question

Both Balloon A and B are at room temperature and pressure, Which of the following best explains why balloons B is larger than balloon A? (A) The gas in balloon B is denser, (B) The gas in balloon A is denser (C) Balloon B has more moles of gas (D) Balloon A has more moles of gas How many grams of sulfur are present in 2 moles of H_2 SO_4 ? (A) 32 (B) 64 (C) 1 (D) 2 Which of these is the general formula for a single-replacement reaction? (A) AB + O_2 rightarrow AO + be (B) AB + X rightarrow AX + B (C) AB + XY rightarrow AY + XB (D) A + B rightarrow AB What is the main similarity among the Noble gases? (A) Chemical properties (B) Mass number (C) Atomic radius (D) Boiling point

Explanation / Answer

52]

At constant pressure and temperature

Volume is proportional to moles

It means Volume B has more moles of gas

Answer is C

53]

2 moles of H2SO4 has 2 moles of S

1 mole of Sulphur = 16 gms

2 moles of Sulphur = 32 gms

Answer is B

54]

AB + X ---> AX + B

Here atom B is replaced by X

Answer is B

55]

Noble gases have same chemical properties .

They are inert in nature

Answer is A

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

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