CCHT practice test 5

2) Which of the diet sodas have the lowest concentration of aspartame? Which standard best reflects this concentration?

Table of chemicals and reagents with their physicochemical properties (name, molecular formula, molecular weight, pKa, melting point, boiling point, etc.) Write a short outline or a flow diagram of the procedure List and safety issues Read and understand the MSDS information for each chemical used in this practical Experimental procedure Please do not scratch the clear sides of the UV cuvettes as this will invalidate your results. Part 1: Preparation of a calibration curve A calibration curve should be constructed using at least five concentrations of the pure paracetamol standard supplied in the range 3-15 ug/mL as follows: Weigh about 150 mg of paracetamol accurately and transfer to a 200 mL volumetric flask. Add 50 mL of o.1 M NaOH and dilute to about 100 mL with deionised water (DI). Shake and make up to volume with DI water. Dilute 10 mL of the resulting solution to 100 mL (volumetric flask) with DI water (= stock solution). Prepare standard solutions containing 3, 6, 9, 12 and 15…

Part A The herbicide level in the soil in a corn field was measured at 3.0 ppb. How many ug of herbicide are present in 1.0 lb of soil? 0.7 ug 1.4 ug 3.0 ug 4.5 ug 0.44 ug Submit Request Answer ne on

口 Tools Window Help A 79% Wed 5:2 CHEM2-CH 6-WORKsheet 6 (2).pdf (page 3 of 6)-Edited Q Search 6. Your body deals with excess nitrogen by excreting it in the form of urea, NH2CONH2. The reaction producing it is the combination of arginine (C,H14N,O2) with water to give urea and ornithine (C;H12N2O2). OʻH + ?O*N*'H°Ɔ Urea O'NHO + HNOƆ'HN Arginine Ornithine [Molar masses: 174.2 18.02 60.06 132.2] If you excrete 95 mg of urea, what quantity of arginine must have been used? What quantity of ornithine must have been produced? 3. MacBook Air

1. A client is receiving Pronestyl at 30 ml/hr. The solution available is 2 g Pronestyl in 250 ml. D5W. Calculate how many milligrams per minute the client is receiving. 2. A client is receiving nitroglycerin 50 mg in 250 ml. DSW. The order is to infuse 500 mcg/min. What will you set an infusion pump to deliver? 3. Order: Dobutrex 250 mg in 500 ml. DSW at 3 mcg/kg/min. The client weighs 80 kg. What dosage in mg/hr is the client receiving? 4. A client is receiving Isuprel 2 mg in 250 ml. DSW. The order is to infuse at 20 ml/hr. Calculate the following (round to hundredths if necessary): a. mg/hr. b. mcg/hr C. mcg/min 3.1 5. Dobutamine 500 mg in 250 ml. D5W has been ordered to titrate at 4-10 mcg/kg/min for a client weighing 116 lb. Assume the infusion pump can only deliver whole ml/hr. a. Determine the range of acceptable flow rates to administer the medication to the client via infusion pump.

Espinosa et al report isolating bacteria through extraction of soil samples using 0.9% (m/v) NaCl. If you wanted to isolate plastic-eating bacteria, how many grams of NaCl would you need to produce 1.0 L of 0.9% (m/v) NaCl?

Assay 5 KB) Page of 2 - ZOOM + 3. If a researcher starts with 3.00 mL of a 4.50 mg/mL protein solution and adds 10.0 mL of water, what is the amount (mg) of protein in the diluted solution? Next Previous awe

Chemistry Hello! Can you please explain why these answers are wrong? Thank you.

ANSWER: 4.36 to 7.5 mL    SHOW SOLUTION ON HOW TO ARRIVE TO THE GIVEN ANSWER THANK YOU.

1. Calculate the exact concentration of the stock protein solution in (mg / mL) based on the exact mass of albumin and the volume of the vial used to prepare the broth.     0.4905 g of albumin in 500 mL volumetric flask (mass of protein used to prepare the stock

1. You give your home health patient an unopened 500-mL bottle of guaifenesin and tellthem to take 2 teaspoons 4 times a day as ordered. They ask you how long the bottlewill last. 2. You are shadowing a nurse during a clinical who receives an order to adjust the infusionrate of a pump so that 1.6 mg of lidocaine are being delivered per minute. Hanging is a100 mL piggyback containing 0.4 grams lidocaine, a 0.4% solution. How many mL perhour should the piggyback be set to deliver? How long will the piggyback last?                 3. Phenobarbital 180 mg/m 2 /24 hours given every eight hours is ordered for a childwhose BSA (body surface area) is 0.29 m 2 . How many mg will you need if the child willbe on the medication for 10 days? 4. You are going to mix a 1:10 bleach solution with water to make 500 mL of a 1:35 bleachsolution. How much 1:10 bleach solution should you use?(I recommend using the C1V1=C2V2 formula) 5. As a home health nurse you need to help a client make…

Show the solution properly. Thank you.

This is not a graded question. Subparts 4-5

Please don't provide handwritten solution...

1000 mL of 0.45% NaCl IV for 3 hours Drop factor: 20 gtt/mL Flow rate: ________ gtt/min

Post-lab question #1: Ag2CrO4 (s) + 2 Ag* (aq) + CrO42- (aq) If the Ksp for Ag2CrO4 is 1.1 x 10-10, How many milligrams of Ag2CrO4 will dissolve in 10.0 mL of water? None of the above 100 mg 1.0 mg 10. mg

Need full case study with results discussion Introduction etc. Dont use guideline answer ok need full accurate case study.    Case History A 32 year old male was found unconscious in his flat following a night out with  friends. Attempts to resuscitate the male were unsuccessful. The postmortem  indicated sudden cardiac death through cardiac dysrhythmia (arrythmia). There was  no medical history of previous heart disease. Two opened packets of Jumping Beans were found on a table close to the body. A  specimen of cardiac blood was taken and submitted to the toxicology laboratory for  analysis along with the two Jumping Beans packets.  . Guidance for Preparing the Case Report The coursework assessment for the module is to prepare a case report in the form of  a case report scientific paper published in the Journal of Analytical Toxicology. This  guidance information has been taken from the Instructions for Authors for the  Journal of Analytical Toxicology however please use the…

5. You are making ampicillin plates. Before pouring the plates, you add 2 mL of 10 mg/mL to the 400-ml bottle of LB agar that you use to pour the plates. What is the final concentration of the ampicillin in the plates? Express your answer as ug/mL. Show your work.

A new method for glucose determination in serum (Method A) is to be compared to the established method (Method B). The table below shows the measured glucose concentration by each method for each patient. Is there a difference in the two methods at the 95% confidence interval? Patient1 Patient2 Patient3 Patient4 MethodA(mg/L) 1044 MethodB(mg/L) 1028 720 711 845 820 800 795 Patient5 957 935

True or false. 1. In an immunoassay for drugs of abuse, any concentration greater than 0 is considered positive screen. 2. Traditionaly, drug screens are performed on blood samples because drug concentration in blood are much higher then in urine?

Please correct answer and don't use hand rating

Activity 4: Aromatic Water Peppermint water (Simple solution method) Formula Peppermint oil ___ Purified water  ___ To make          60ml Materials: Erlenmeyer flask, filter paper Procedure:

C18H3602(s) + C5H14O4NP(s) + C3H8O3(aq) → 1.63 g Fatty Acid 3.2 mL of 0.98 M Choline Phosphate MW? 3.2 mL of 0.52 M Glycerol MW? g/mol MW? C44H88O8NP(s) + Theoretical g = ? Phospholipid MW = ? (a) Given the measured values, who is the limiting reactant for this equation? H₂O(1) Water 1.0 g/mL MW = ?