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- Help with the following question Ksp for CaF2 is 3.45 x 10^-11If sodium benzoate, a food preservative, is excreted as such and if calcium propionate, another food preservative, is metabolized to CO2 and H2O, would you consider either of these preservatives to be a nutrient? If so, why?Phenolphthalein has a pKa of 9.7 and is colorless in its acid form and pink in its basic form. For pH= 7.7 calculate [In−]/[HIn]. Express your answer using two significant figures.
- Ј.B. is a 52-year-old man weighing 72 kg who has been treated with gentamicin for confirmed gram-negative pneumonia. Design the dose of gentamicin (given in a one-hour infusion) to achieve Cmax = 10 mg / L and Cmin = 1.6 mg / L with values for V = 18 L and t1 / 2 = 8 hours. please give me answer using pharmacokinetics!!! URGENTWhat does an average Kc value of 123.30 indicate in an experiment? There's 4 trials.The Ka for HCN is 4.9 x 10-10. What is the value of Kb for CN-? Group of answer choices 4.9 x 104 2.0 x 10-5 4.9 x 10-24 4.0 x 10-6
- C6H8O6(aq) + C12H7O2NCL2(aq) ----> C6H6O6(aq) + C12H9O2NCL2(aq) - C12H7O2NCL2 is abbreviated as DCIP - Molar Lass of C6H8O6(s) is 176.14 g/mol - Daily recommended intake (DRI) for adults: 90 mg of Vitamin C Askor & Bich found that it required 23.14 mlof 1.32 x 10^-3 M DCIP soliution to reach the endpoint when titrating a 7.50ml aliquot of pear juice. How many mg of ascorbic acid, C6H8O6 are present in the juice aliquot? _5.38_____(can you please show how to calculate this answer) How many ml of this juice would Bich have to drink in order to meet the daily recommended intake (DRI)?__126__ (Which of the hypothetic equations below is incorrectly balanced: a. 2 X + 3 Y2Z4 → 1 X2 (Z4)3 + 6 Y2 b. 2 D2F4G + 5 G2 → 4 DG2 + 4 F2G c. 2 KLMN3 → 1 K2MN3 + 1 MN2 + 1 L2N d. 1 J12B22C11 → 12 J + 11 B2C e. 1 ABC4 → 1 AB + 2 CKk20.
- Help with the following question Ksp for AgCO3 is 8.46x10^-12In replicate analyses, the carbohydrate content of a glycoprotein (a protein with sugars attached to it) is found to be 12.6, 11.9, 13.0, 12.7, and 12.5 g of carbohydrate per 100 g of protein. Find the 50% and 90% confidence intervals for the carbohydrate content.A cholesterol screening finds that a person’s blood serum has 42 mg/dL HDL and 143 mg/dL LDL. Is the HDL level healthy? a. Yes, it is healthyb. No, it is too high c. No, it is too low Is the LDL level healthy?a. No, it is too highb. Yes, it is healthyc. No, it is too low Is the LDL/HDL ratio healthy? a. No, it is too highb. No, it is too lowc. Yes, it is healthy What could the person affect their LDL/HDL ratio? a. Decrease consumption of omega-3 fatty acidsb. Increase consumption of carbohydratesc. Increase consumption of saturated fatty acidsd. Increase consumption of cholesterole. Decrease exercisef. Decrease consumption of omega-6 fatty acids