A converging lens has a focal length of 10 cm. A 10-cm pencil is placed at such a distance from the lens that an image of 15 cm is formed. What is the magnification of the lens at this location?

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

How does the entropy of steam compare to the entropy of ice?

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.