Sort out the following changes into physical and chemical changes. (1) Cutting paper
(ii) Grinding wheat
(iii) Cooking rice
(iv) Dissolving sugar
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Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at