Questions
How can glass be a liquid if it's so hard?

Make it in an outline form not paragraph. Use your own words at least 100 words.

In: Chemistry

Can you light diamond on fire?

Specify the reasons if your answer is YES. Make it in a paragraph form and elaborate it.

In: Chemistry

Can water stay liquid below zero degrees Celsius?

Please elaborate more and make it in a paragraph form. Do not just copy and paste from the internet.

In: Chemistry

What are isotopes? how are they related with the mass number?

Must be in a paragraph form. Explain clearly. Must site examples also.

In: Chemistry

Give the detail description of DSC scan of a certain polyethylene terephthalate polymer.

Give the detail description of DSC scan of a certain polyethylene terephthalate polymer.

In: Chemistry

Face Centered Cubic unit cell problem

An element has a face centered cubic unit cell with a length of 352.4 pm along an edge.The density of the element is 8.9 gcm-3.How many atoms are present in 100g of an element?

 

In: Chemistry

How would the gradient elution program differ beterrn normal-phase and reversed-phase chromatography?

 

A Microscale Approach to Organic Laboratory Techniques (5th Edition) 

Chapter T21, Problem 2P

In: Chemistry

Draw the Fischer projection for the D-2-ketotetrose.

Draw the Fischer projection for the D-2-ketotetrose. Switch between an aldose and a ketose by clicking on "switch carbonyl group." Add or delete carbon atoms using the add (" +") or delete ("x") buttons. Clicking on a blue box once adds a hydrogen atom (H). Clicking on a blue box again toggles between H and OH.

In: Chemistry

Organic chemistry IUPAC nomenclature

Write down the IUPAC name of the organic compund Cl3C-CH2-CHO

In: Chemistry

Physical Chemistry chemical equilibrium question

Dissociation of phosphorus pentachloride \(\left(P C I_{5}\right)\) is favored by-

(i)High T, High P

(ii) High T, low P

(iii) Low T, Low P

(iv) Low \(T\), High P

In: Chemistry

Gas law problems

What volume of air will be expelled from a vessel containing 400 cm3 at 7°C when it is heated to 27° C at the same pressure ?

In: Chemistry

Match the following properties of liquids to what they indicate about the relative strength of the intermolecular forces in that liquid.

Match the following properties of liquids to what they indicate about the relative strength of the intermolecular forces in that liquid.

Strong intermolecular forces: Weak intermolecular forces:
-high boiling point
-high vapor pressure
-high surface tension
-high viscosity

In: Chemistry

Assuming each solution to be 0.10 M , rank the following aqueous solutions in order of decreasing pH.

Assuming each solution to be 0.10 M, rank the following aqueous solutions in order of decreasing pH.

Rank the solutions from the highest to lowest pH. To rank items as equivalent, overlap them

N2H2

Ba(OH)2

HOCL

NAOH

HCL

 

In: Chemistry