Vapour pressure of water at 12℃ is 10.5 mmHg. What would be the volume of the dry gas at 15℃ and 757 mmHg. 5.6g of a mixture of calcium rt6y7uu carbonate and sand are treated with an excess of dilute

The distance between the two parallel chords AB and CD is A. 4 cm B. 5cm C. 6 cm D. 7 cm E. 4cm 3.The diameter of a circle is 10 cm and the chord through a point P, the midpoint of the chord is 6 cm .

FORCES Fill in the blanks. (1) Newton’s first law gives the idea of ……… . (2) By Newton’s second law , the acceleration is directly proportional to ……… . (3) Newton’s third law express the idea of ……….