Other Chemistry Answers

6. The recommended adult dose for penicillin is 250 mg PO Q6H.

What would the dose be for a 2yr-old infant? (Use Young’s rule to complete the problem.)

5. The recommended adult dose for penicillin is 200 mg PO Q6H.

What would the dose be for a 2yr-old infant? (Use Fried’s rule to complete the problem.)

7. The recommended adult dose for Erythromycin Ethylsuccinate is 400 mg Every 6 hours.

What is the dose for a child who weighs 45 kg?

4. You have received the following order:
Dilaudid 2 mg
One tablet po every 4-6 hours for 3 days.

What is the maximum number of tablets you should prepare to be dispensed?

the 8:8 type of packing is present in which compounds?

The coefficients of a balanced version of the equation of reaction involving hydrochloric acid and calcium carbonate to give the respective products are:
2,1,1,1,2
2,1,1,1,1
1,2,1,1,1
1,3,1,2,1

Calculate the number of mole contained in a solution of sulphuric acid, if the titre value on titration against
20cm3
0.5 M sodium carbonate is
20.24cm3
0.02mol
0.04mol
0.01mol
0.15mol

A metal X that raects with metal Y in a solution of Y but does not react with Z in a solution of Z means that --------------.
Metal Y is the least reactive
Metal X is the least reactive
Metal Z is the least reactive
Metal Y and metal Z have equal reactivity

If 5cm3 of 1.5 M of NaCl is diluted to a final volume of 5dm3. what is its final concentration?

2. a. How will you decide whether a process is spontaneous in this experiment?
b. If you were to use this method after you had observed the fate of an ice cube at
25’C, what would you conclude about the spontaneity of the following process?
Why?
H20(s)
H20(l)
c. The standard enthalpy change for this process is 6.01 kJ/mol. What is the
minimum value for the standard entropy change, based upon your conclusions
about the spontaneity?
3. During this experiment, you will be required to prepare 100 mL of a 1.0 M solution of
NaNO3. Calculate the mass of NaNO3 (to the nearest tenth of a gram) that will be
required?