When a solid body is partially or completely immersed in a fluid, the fluid exerts an upward force on the body. The magnitude of the force is equal to (1) the mass of the body (2) the weight of the displaced fluid by the body
2 only
Correct Answer: (b) 2 only
Explanation: The buoyant force is equal to the weight of the displaced fluid according to Archimedes' principle.
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Sugar is a _____ in a sugar solution.
A. Solvent
B. Solute
C. Colloid
D. Suspension
When a solid body is partially or completely immersed in a fluid, the fluid exerts an upward force on the body. The magnitude of the force is equal to
(1) the mass of the body
(2) the weight of the displaced fluid by the body
Calculate the molar mass of copper(II) sulfate pentahydrate, $CuSO_4 \cdot 5H_2O$.
(Atomic masses: $Cu = 63.55 \text{ g/mol}$, $S = 32.07 \text{ g/mol}$, $O = 16.00 \text{ g/mol}$, $H = 1.01 \text{ g/mol}$)The pH value of 1 × 10 -8 (M) HCl is:
The molar conductivity of 0.01 M acetic acid is 10 S cm2 mol−1. What is the dissociation constant of acetic acid? Choose the correct option.
\(\left[\begin{array}{l}\Lambda_{\text{H}^{+}}^{\circ}=345 ~\text{S}~ \text{cm}^{2}\text{mol}^{-1} \\ \Lambda_{\text{CH}_{3}\text{COO}^{-}}^{\circ}=55~\text{S cm}^{2} \text{mol}^{-1}\end{array}\right]\)
