Why does water have a max density at 4°C?
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Q: Why does water only have a density of 4?
A:
Why does water have a max density at 4°C?
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- Calculate the equilibrium constant (K'eg) for each of the three reactions at pH 7.0 and 25 °C, using the AGʻ° values given. (a) glucose 6-phosphatase glucose 6-phosphate + H,O glucose + P; AG'° = –13.8 kJ/mol K'eq= (b) B-galactosidase lactose + H,O glucose + galactose AG'O = -15.9 kJ/mol K'eq=Calculate the pH of the solution that results following addition of 10 mL of 1 M NaOH to 40 mL of 1 M NH4ClA 1.143 g sample contains only vitamin C (C,H, 0,) and sucralose (C,H,Cl, O,). When the sample is dissolved in water to a total volume of 31.7 mL, the osmotic pressure of the solution is 3.91 atm at 285 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose: %
- (b) Explain each of the following in terms of the properties of water. You are not limited to the three properties discussed in part (a): • the role of water as a medium for the metabolic processes of cells • the ability of water to moderate temperature within living organisms and in organisms' environment • the movement of water from the roots to the leaves of plants B IU 0/1The kf of water is 1.86 kg °C/mol, approximately 4x the value of kp. If you attempted to freeze your 1.3m solution, how do you think the freezing point of water would be impacted?How would you make 2 liters of a 0.5M Tris buffer ph of 7.6