BaSO₄(s) ⇄ Ba²⁺(aq) + SO₄²⁻(aq)
Ksp=[Ba²⁺][SO₄²⁻]
[Ba²⁺]=[SO₄²⁻]
Ksp=[Ba²⁺]²
Ksp=(1.76*10⁻³)² =3.0976×10⁻⁶ ≈3.1×10⁻⁶
Answer: True
Explanation:
Mendeleevs periodic classification is based on the atomic masses of the elements.
Answer:
C
Explanation:
They involve losing and gaining of electrons therefore there is a change of state from either solid to aqueous or vise versa
Answer:
A. The Earth rotates on its axis over 24 hours.
Explanation:
Day and night. The Earth is a sphere, or ball, which spins round and round as it travels around the sun. ... Because the Earth is constantly spinning, the line between day and night is always moving around the planet. A day on Earth lasts 24 hours—that is how long it takes for the planet to spin around once.
C. high density
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