What action is NOT necessary before lighting a Bunsen burner? Select one: O Clear the burner area of flammable materials such as solvents and papers. O Check that the gas regulator and air inlet on the burner can be adjusted. O Leave the gas cock open for a few minutes before lighting to clear the line. Make sure there are no holes in the hose connected to the burner.

Q: The Bjerrum length (IB) is a comparative measure of electrostatic and thermal energy. Select all…

A:

Q: ___________ explosives detonate almost instantaneously to produce a smashing or shattering effect.

A: Detonation: It is a type of supersonic exothermic reaction. Detonations occur in conventional…

Q: real life application of gas law script for video presentation (can't contain or encourage dangerous…

A: You can observe a real-life application of Boyle's Law when you fill your bike tires with air. When…

Q: Refer to the figure. The sample is introduced into what portion of the injector?    a. Through the…

A: Ans. a  Through the rubber septum.

Q: Which of the following should you do to keep your micropipettor in good working condition? A.…

A: We know that,  micropipettor works with the systems of the springs to it. If we take and keep the…

Q: What is fire? What are the classifications of fire? Make a table of the type of fire versus the type…

A: Fire  is  the  rарid  оxidаtiоn  оf  а  mаteriаl  in  the  exоthermiс  сhemiсаl  рrосess  оf…

Q: 2 oil boiled ron nail drying agent greased nail salty water water ater air greased salty zing

A: Solution - According to the question - Given - Rusting of iron occurs due to setup of…

Q: Parts Functions barrel A. Supports the burner gas spud B. Regulates the air intake base C. Where the…

A: Here the parts are given of bunsen burner. A bunsen burner is used in laboratory for heating and…

Q: Direction: Identify the class of fire and what type of extinguisher should be used. Source of Fire…

A: There are different type of classes of fire and for each class different of combustible materials…

Q: Give other 5 examples of laboratory task stating its potential hazard and recommended PPE.

A: Five examples of laboratory hazards, 1. Fire/Explosions In a research facility, all synthetic…

Q: An 18-0-18 + 3% iron (Fe) fertilizer must be applied to supply 2.0 pound of N per 1,000 square feet…

A:

Q: Which of the following should not be done when using the fume hoods? A Work in the fume hood while…

A: Answer - The correct option is (a) When doing work in hood, its door should not be open. It should…

Q: . T Locate where the fire safety equipment like blankets, fire extinguisher, fire alarms etc are in…

A: precautions to be taken while using a bunsen burner:

Q: What is a flame?

A: When something is burnt, a hot luminous gas emerges out of the substance. This gas is called as…

Q: Solid fuels are not easy to transport a. True, it has a very low ignition temperature b. True, the…

A: Solid fuels are wood, charcoal, coal, dry dunk etc.

Q: List some improvement about plastic bottle.

A: 1. Plastic bottles can be recycled and used to make clothes, carpets , toys and packaging materials.…

Q: Do you use the bulb to help dispense the liquid from the pipette? Why or why not?

A: A pipette is used to accurately dispense the exact amount of a small amount of liquid like 10.00 mL,…

Q: 70. Using the figure below: Identify the part of nos. 6 and 7 respectively in the set-up. 16…

A: Option C is correct answer, Nos.6 and nos. 7 water inlet and water outlet respectively.

Q: In the Energy and Specific Heat lab, how should the water bath be stabilized over the heat source?…

A: The iron ring or iron clamp is a type of laboratory equipment which comprises a conjoined metal ring…

Q: Q3. (a) Explain with your own words, what are the safety steps you should follow if you notice the…

A: 3.

Q: What would you do if a Bunsen Burner caught fire at the base of the burner, by the adjusting valve?

A: Robert Bunsen discovered the Bunsen burner which is used in the laboratory used for sterilization,…

Q: When pipetting, immerse the tip BELOW the meniscus making sure that the tip CONTACTS the container…

A:

Q: cat. TSOH НО, HO НО НО

A: In presence of the catalytic amount of TsOH, the primary alcohol turns into a good leaving group…

Q: total rate of conductive heat loss through the windows of a house

A: In this question we have to explain the total rate of conductive heat loss through the window of a…

Q: What are the conditions that hamper the performance of the fume hood? What do you think are the…

A:

Q: Which of the following is one of the Hot gas conditioning methods?

A: Hot conditioning methods are defined as those methods and processes which are capable of capturing…

Q: In an experiment with magnesium and HCl, is gas leaking and maybe inconstant temperatures an…

A:

Q: Which of the following statements concerning fans is true? (A) The volume of air delivered will…

A: To Find: To find which of the given statement is true.

Q: Determine the correct steps sequence in using a Bunsen burner. Place them in order from the first to…

A: 1. set the burner on a heat-resistant surface away from flammable materials. 2. attach the tube to a…

Q: Please clearly label the following where they appear: pinacol, sulfuric acid, water, pinacolone,…

A: Pinacol is a 1,2-diol and the pinacolone is a ketone. The reaction pinacol with sulfuric acid…

Q: When selecting a ball from your model kit to serve as the phosphorous atom from above, how many…

A: In a model kit, an atom must be selected based on the maximum valency the central atom shown can…

Q: In a town (before 1950) where high amounts of PVC products were manufactured, many people in the…

A: The Environmental Protection office (EPA) is an autonomous leader organization of the United States…

Q: heat но. Select one:

A: In organic chemistry, straight chains undergo a cyclization process in the presence of heat. The…

Q: Set Temperature of the outlet stream manually

A: This is a multiparts question. According to guidelines in multiparts question we can solve only…

Q: Determine whether each practice is recommended to keep a micropipette clean and functioning…

A: Solution micropipettes take issue in size and volume distributed, however looking on those specific…

Q: Use the dropdown menus to indicate the proper sequence of steps required in the use of a volumetric…

A: The proper sequence required in the use of a volumetric pipet is given by, Step-1: Rinse the pipet…

Q: Sample process flow showing production of ethanol from molasses

A: production of ethanol from molasses. Sugarcane molasses is a by-product of sugarcane products that…

Q: A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will…

A: Soln

Q: 13. What will probably happen if plastic melts too early and sticks to the screw in the feed zone?

A: The feed zone conveys the solid plastic pellets which are fed from the hopper to the transition zone…

Q: When I set the pressure regulator on the nitrogen, what do I set it to so we can leak check?

A:

Q: Boil the kettle at your home. Determine the following d) Convective losses from the system?

A: Convective heat loss is the transfer of heat from a body to moving molecules such as air or liquid.…

Q: holes

A:

Q: what (if anything) should you do with your Bunsen      burner before going outside?

A: In the chemistry laboratory (or) anywhere if combustible material present (or) some explosive…

Q: Presssure of any gas at STP

A:

Q: swater.

A: This is a multiple questions. According to guidelines in multiple questions we can solve only one…

Q: Select the rule about safe Bunsen burner use that is incorrect. Turn off the gas if the Bunsen…

A: a) Turn off the gas if the Bunsen burner flame extinguishes: Correct The given statement is correct…

Q: about heat conduction Task 1: . What happens to the temperature of a well-insulated room, if a…

A:

Q: You want to make the bunsen flame spread more effectively, you'll use:  a. flask b. fish tail c.…

A: A flask is a glass beaker where the reacting samples are kept. A Fish Tail is a Laboratory apparatus…