6. CONSTANT VOLUME CALORIMETRYUsing a bomb calorimeter, 1.0 g of benzene (CcH6), a component ofgasoline, was combusted to determine its energy content.2000 mL of waterwas used.a. Arrange the following steps of the CVC technique in chronologicalorder.Connect the ignition wire to the sample using a cottonstring.Cover the oxygen vessel bottom.Fill the calorimeter with 2000 mL of water.Fill the reaction vessel with oxygen.Ignite and analyze the results.Place the crucible into the oxygen vessel top.Place the vessel atop the calorimeter dock and insert.Put 1.0g of benzene into the crucible using a pipette.Weigh the crucible and tare.

A bomb calorimeter is used to measure the heat released during the combustion of a sample. The basic…

Answered: 6. CONSTANT VOLUME CALORIMETRY Using a…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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. A pharmacist had 6 grams of codeine sulfate. He used it in preparing the following: 12 capsuleseach containing 0.0435 gram, 14 capsules each containing 0.145 gram and 23 capsules eachcontaining 0.011 gram. How many milligrams of codeine sulfate were left after he had preparedthe capsules?A pharmacist had 6 grams of codeine sulfate. He used it in preparing the following: 12 capsules each containing 0.0435 gram, 14 capsules each containing 0.145 gram and 23 capsules each containing 0.011 gram. How many milligrams of codeine sulfate were left after he had prepared the capsules?
(please type answer no write by hend).
An order was received for 3000 mg of powder medication to be reconstituted with 15 mL for use. The final concentration will be 120 mg/mL. What is the powder volume contained in the vial?Group of answer choices
Which of the ff. is carried out when sample has a low absorbance? Use a cuvette with shorter width. Use a cuvette with longer width. Use a quartz cuvette instead of ordinary glass. O Use ordinary glass cuvette instead of quartz.
The labware we used in Quant Lab is divided into “qualitative” or “quantitative” analytical purpose. One of the important laboratory skills we learned is to know what specific apparatus is appropriate for the task at hand. For the following procedures, which SPECIFIC glassware, or balance ( CORRECT NAMES, be specific ) should be used? Mix K2Cr2O7 and KI solutions to be ready for titration. The mixture container is _______________ Measure the mV values of fluoride standard and sample solutions. Theoretically, the solution containers should be _______________________ Weigh 1 g solid KSCN that is poured into the thiosulfate – iodine titration. __________________
Triple Sugar Iron (TSI)Agar Report Slant/Butt reaction (use the letters): ______________________ H2S produced, color and +/-: ____________________________ Gas present, +/-: _________________________________ Which carbohydrate(s) is/ are fermented in the TSIA tube? ___________________________
A pharmacy intern is asked to prepare 3 liters of a 30% w/v solution. The pharmacy stocks the active ingredient in 8-ounce bottles of 70% w/v strength. How many bottles will be needed as the source of the active ingredient?
2. Calculate the following: a. you are asked to prepare 10 NA slants and 5 NA stab in big tubes. How much NA should you prepare if the indicated preparation for NA is as follows: 1. Suspend 28g of nutrient agar powder (CM0003B) in 1L of distilled water. 2. Mix and dissolve them completely. 3. Sterilize by autoclaving at 121°C for 15 minutes.
1. A patient's orders read 0.012 in 200.0 mL of 5% D/W IV (5 percent dextrose in water solution, intravenously). 100 mg of the drug is dissolved in the 200.0 mL of 5% D/W solution. The patient has a body mass of 55 kg. How many mL/hour must the IV pump be set to deliver the prescribed amount? 2. A pediatric patient needs to receive heparin following surgery. The physician's orders call for . The heparin preparation comes as 50.0 heparin units/mL. How many milliliters of heparin drug needs to be added to a 65 lb patient's IV over a period of 3.0 hours?
10 grams of oil will dissolve completely in 1 Liter of water. O a. True b. False
EXPERIMENT :DETERMINATION OF CHEMICAL OXYGEN DEMAND (COD) 1. OBJECTIVES To determine the chemical oxygen demand of the given wastewater samples. 2. PROCEDURE Preparing the Sample 1. Open a reaction vial with a white cap and add the specified volume. (Ensure that appropriate personnel safety equipment is used.) LR-/MR: 2 ml water sample HR: 0.2 ml water sample 2. Prepare a blank by using deionised water (TOC-free) instead of the sample (LR/MR: 2 ml, HR: 0.2 ml). 3. Replace the cap tightly. Invert the vial gently several times to mix the contents (The vial will become hot during mixing!) and digest the vials for 120 minutes in the reactor at a temperature of 150°C. 4. Remove the vials from the reactor and allow them to cool down to 60°C or less. Mix the contents by inverting each vial several times while still warm. Then allow the vials to cool to ambient temperature before measuring. 3:Results Sample COD reading (mg/L) Leachate 216 Factory 423…
3 A patient requires 20 mg of Oramorph. The syrup comes as 10 mg in 5 ml. How much of the syrup is required? Please give your answer as a whole number Answer: ml. Show Calculator

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