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Jamie
Is this molecule an electron withdrawing or electron donating group? ?
How could you tell? What’s the easiest ways to distinguish between EWG and EDG?
Chemistry2 months agoOrganic Chemistry: How can you tell if a functional group is acidic or basic?
Also can you please give me some examples of acidic and basic functional groups?
2 AnswersChemistry3 months agoWhich one of the following is equal to the pKa of a weak acid?
Which one of the following is equal to the pKa of a weak acid?
Select one:
a. The pKb of its conjugate base
b. The pH of a solution containing equal amounts of the acid and its conjugate base
c. The equilibrium concentration of its conjugate base
d. Its relative molecular mass
2 AnswersChemistry3 months agoWhich one of the following is equal to the pKa of a weak acid?
Which one of the following is equal to the pKa of a weak acid?
Select one:
a. The pKb of its conjugate base
b. The pH of a solution containing equal amounts of the acid and its conjugate base
c. The equilibrium concentration of its conjugate base
d. Its relative molecular mass
1 AnswerChemistry3 months agoPharmaceutical calculation problem?
How many grams of white petrolatum should be added to 250g of 12% w/w benzocaine ointment to dilute it to a 2% w/w benzocaine ointment?
1 AnswerMathematics5 months agoHow many grams of salicylic should be added to 75 g of a polyethylene ointment to prepare an ointment containing 6% w/w of salicylic?
How many grams of salicylic acid should be added to 75 g of a polyethylene glycol ointment to prepare an ointment containing 6% w/w of salicylic acid?
The answer is 4.79 but I don't know how to get the answer. Please help. thanks!
1 AnswerMathematics5 months agoWhy is it important to know the incidence rate of an illness as well as the number of new cases of that illness? ?
How do they differ and why are they both important?
1 AnswerMedicine6 months agoAldosterone stimulates Na+ reabsorption from the urine into the body by?
Select one:
a. Stimulating Na+/K+/Cl- symporter
b. Increasing the expression and activity of Na+ ion channel
c. Stimulating Na+/Cl- symporter
d. Stimulating Na+/K+ ATPase
Biology6 months agoWhich of the following segments of the renal nephron reabsorbs the most Na+?
Select one:
a. Thick ascending limb of Henle’s loop
b. Collecting duct
c. Thin descending limb of Henle’s loop
d. Proximal tubule
e. Distal convoluted tubule
2 AnswersPersonal Finance6 months agoThe Na+/K+ ATPase pump in the renal nephron:?
Select one or more:
a. moves Na+ against its concentration gradient into the blood
b. moves Na+ against its concentration gradient into the urine
c. moves Na+ down its concentration gradient into the blood
d. moves Na+ down its concentration gradient into the urine
e. requires energy from ATP
Biology6 months agoHow many grams of hydrocortisone acetate (MW = 405 g/mol) should be used to prepare a 65 g tube of ointment containing......?
How many grams of hydrocortisone acetate (MW = 405 g/mol) should be used to prepare a 65 g tube of ointment containing 30 mg of hydrocortisone base (MW = 362 g/mole) per gram of ointment?
1 AnswerChemistry7 months agoBiochem question: malonyl-CoA?
Briefly describe how and why malonyl-CoA regulates the conversion of fatty acylCoA to fatty acyl carnitine in the process of fatty acid oxidation
Chemistry7 months agoBiochem/ free energy question?
Explain how a metabolic pathway (i.e. a series of connected reactions) can proceed when a given enzymatic reaction in the sequence has a positive free energy change?
1 AnswerBiology7 months agoExplain why utilization of health care services data may be incomplete?
Explain why utilization of health care services data may be incomplete?
Medicine8 months agoBiochem/ pKa/ buffer question?
Given a weak acid with a pKa of 5.5: 1) In what pH range would this acid be an effective buffer? 2) In a 0.18 M solution at pH 8.0, what fraction would be in the conjugate base form? 3) At pH 8.5, what fraction would be in the conjugate base form?
Thank you !
1 AnswerChemistry8 months ago