When using a TD pipet, one should not O blow or shake out the remaining liquid O place the meniscus on the fill mark O condition the pipet O clean the pipet O suck the liquid past the fill mark

Q: AaBbCcl AaBbCcl Subtle Em.. Emphasis Styles s to a liquid t lost when changing 1 gained when changin…

A: Dear student I have given answer to your question in the image format.

Q: definition of plastic and source and usage of plastic

A: Hydrocarbons: Polymers are essentially molecules that exist as very long chains. Most polymers are…

Q: cific method for t

A: The process of printing technique where mesh used to transfer dye into substrate called screen or…

Q: When using the centrifuge, what safety precautions should be followed?

A:

Q: What is the best technique for pushing down on the plunger to carefully form a drop? Select the most…

A: To decribe the best technique for pushing down the plunger to carefully form a drop.

Q: In terms of chemical protective clothing, what is the difference between penetration and permeation?…

A: To answer difference between penetration and permeation

Q: Why is it important to recycle?

A: In our day to day life we use lot of things which are very harmful for the environment and pollutes…

Q: The melting point is the temperature where a solid becomes liquid. The melting poi of acetone is…

A: State of matter below its melting point is solid and above its melting point is liquid.

Q: What is a suspension, and how does it differ from acolloid?

A: A heterogeneous mixture of a finely distributed solid in a liquid is known as a suspension. In a…

Q: true or false A desirable solvent should be highly pure, commercially available, low viscosity and…

A: The given statement is " A desirable solvent should be highly pure, commercially available, low…

Q: os the enrgy cost to break IMFs for acetone to mix with water likely larger or smaller?

A: We found generally that acetone evaporates much more quickly than water, suggesting that the IMFs…

Q: What is the force of attraction between liquid molecules?    a) Viscosity  B) adhesion  NS)…

A: What is the force of attraction between liquid molecules?

Q: What is à pipetté änd höw is it used?

A: Pipette ia an important instrument used in laboratory of chemistry. It is a small apparatus.

Q: it is Intermolecular attraction between two permanent dipoles _________

A: The strongest type of intermolecular bond is hydrogen bonding. When a hydrogen atom is covalently…

Q: Water __________ upon freezing.     sublimes     contracts     expands     increases its…

A: Water particle contract upon freezing  And viscosity also increase  And also specifuc heat decrease

Q: "hich characteristic of water O a O b adhesion surface tension

A: B answer is correct. Surface Tension The high surface tension helps the paper clip - with much…

Q: Define oil viscosity.

A: Viscosity is a physical property of liquid that depends on various factors like intermolecular force…

Q: some clement D is 1.79 cal/gram. At -65 °C and 1 atm, (solid) and D(liquid) are 18.11 g/cm³ and…

A:

Q: Fill in the blank question: Q. TPDU is also known as _______________ Unit.

A: TPDU is also known as  Lot's  of meaning  are given below

Q: An aerosol can should be stored in a cool place to prevent deformation of the can or an explosion.

A: Ideal gas law states that the product of volume and pressure is equal to the product of moles,…

Q: The diagram below is called as a O burette O glass vessel O glass rod O pipette

A: For the measurement of the volume of liquid the instrument burette is used in laboratory. It…

Q: Having too much sample can cause an inaccurate melting point under these Sir how will the observed…

A: If heating occurs too quickly, the material cannot reach thermal equilibrium. Pure substances melt…

Q: ____________________ is the separation of material according to density.   a. Accretion   b.…

A: Separation of material according to density is called :

Q: Adhesive forces occur between different molecules.

A: Adhesive forces is defined as the attraction between the two different substances like glass and…

Q: Question 10 The distance traveled by the solvent along the paper is called solvent front. A True…

A:

Q: How do you set up the water flow for the apparatus shown below? C O flow in through B, out through A…

A: Various apparatus are being used in the laboratory to perform different experiments, some of them…

Q: The following are considered basic materials except. Single choice.     a. carbon fiber b. sterling…

A: Carbon fiber are made up off carbon (greater amount) and other materials. Sterling silver are made…

Q: Defined the proper use of the following laboratory glassware: 1. Pipette 2. Volumetric flask 3.…

A: 1. Pipette: A pipette, also known as a chemical dropper. It is a glass or plastic tube used to…

Q: Which of the following (may be more than one) are true of compared to non-alkalized chocolate?…

A: A multiple choice question based on introduction to chemistry that is to be accomplished.

Q: Identify the type of Non-Newtonian fluid for each household product: Tomato sauce A.…

A: Tomato sauce is a shear thinning fluid. Honey is a Thixotropic. Glue and flour is shear thickening.

Q: 35. The polymer is if heated too much, they burn is. A. Thermoset. B. Thermoplastic.

A: Thermo plastics soften on heating whereas thermosetting plastics do not soften on heating.…

Q: What liquid is usually used and measured when calibrating glassware? a. Water with detergent O b.…

A: Answer What liquid is usually and measured when calibrating…

Q: how solid and liquid chemicals should be handled?

A: How to handle solid and liquids chemical discription is given below.

Q: What kind of What is this What can you How material is it product for? made of? Product much say…

A: Here we have to determine kind of material it is made of, uses of product, quality of product and…

Q: As part of a laboratory analytical test, one pint of n-hexane is evaporated per hour in a small…

A: Answer - According to the question - Given - Lower explosive limit (LEL) = 1.1% (volume %) volume %…

Q: Capillary action is the process of water moving up plants, against gravity. Two different properties…

A: Explained as follows

Q: Why is it important to condition a pipet before use?

A: The important condition to use pipet for experiment is to rinse it thoroughly with a solution to get…

Q: What are the types of orientation that shrink films go through?

A: A shrink can go through one direction (unidirectional or mono-directional) or in both directions…