Bissoy.com
Doctors Medicines MCQs Q&A

_________ are relatively inexpensive polymers that are easily devised to high molecular weights on the order of several million (g/mol).

_________ are relatively inexpensive polymers that are easily devised to high molecular weights on the order of several million (g/mol). Correct Answer Polyacrylamimdes

It is a polymer (-CH2CHCONH2-) which are formed from acrylamide subunits. It could be formed as a simple linear-chain structure or cross-linked.

Related Questions

Glucose isomerase is used extensively in the USA for production of high-fructose syrup. The reaction is ___________ Glucose ⇄ Fructose ΔH°rxn for this reaction is 5.73 kJ gmol-l; ΔS°rxn is 0.0176 kJ gmol-l K-l. Calculate the equilibrium constants at 50°C. (Given R = 8.3144J gmol-l K-l =8.3144×10-3 kJ gmol-lK-l).
50 g benzaldehyde vapour is condensed at 179°C, What is the enthalpy of the liquid relative to the vapour? Given: The molecular weight of benzaldehyde is 106.12, the normal boiling point is 179.0°C and the standard heat of vaporization is 38.40 kJ gmol-1. For condensation the latent heat is – 38.40 kJ gmol-1.
__________ consist of individual polymers with varying molecular weights. The properties of the polymers depend on the distribution of molecular weights.
Several methods utilized to characterize polymers give average molecular weights that depend on the molecular weight distribution as well as the number average molecular weight.
How can we assign the weights to output of different models in an ensemble?
1. Use an algorithm to return the optimal weights
2. Choose the weights using cross validation
3. Give high weights to more accurate models
According to the structure of the polymer, it is classified into- Linear polymers Branched-chain polymers Cross-linked or network polymers Co-polymers
Paper making polymers can be categorized as naturally occurring polymers, modified naturally occurring polymers, and synthetic polymers.
The sum of the weights of P and Q is more than that of R and S taken together. The weight of P is half as much as the sum of the weights of Q and S. The some of the weights of P and R is the same as the weights of Q and S taken together. Which of the following statements must be incorrect?
Kamal weights twice as much as Momen. Momen's weight is 70% of Babu's weight. Dipu weights 50% of Lipu's weight . Lipu weights 180% of Kamal's weight. Who weights the least ?
GDP is $10 million, consumer spending is $6 million, government spending is $3 million, exports are $2 million, and imports are $3 million. How much is spent for investments?