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Questions in chemistry

[Jawaban] What state of matter is carbon at room temperature?

[Jawaban] List two substances that are solid, two that are liquid, and two that are gas at room temperature.

[Jawaban] What runs along the top of the troposphere?

[Jawaban] State three factors required for there to be a chance of life existing somewhere other than Earth.

[Jawaban] Is milk a mixture, compound, or element?

[Jawaban] What is the liquid fraction?

[Jawaban] Do earthquakes most often occur at faults that are away from plate boundaries?

[Jawaban] Why is displacement useful in finding the density of an irregularly shaped object?

[Jawaban] What is the chemical formula for the reaction between aluminum and oxygen?

[Jawaban] What is the result of adding KF to an equilibrium mixture of the weak acid HF? \[ \text{HF(aq) ⇔ H}^+ \text{(aq) + F}^- \text{(aq)} \] A. \(\text{F}^- \) concentration decreases B. The dissociation constant, \( K \), increases C. \(\text{HF} \) concentration decreases D. \(\text{H}^+ \) concentration decreases