Chemistry
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New answer posted
6 months agoContributor-Level 10
We know that nucleic acids are biomolecules which is responsible for carrying the genetic information in living organisms. Nucleic acids have various properties, including physical, chemical and biological properties.
Physical Properties
Nucleic acids are macromolecular in nature because they have a high molecular weight. They are water-soluble but insoluble in alcohol. Also, nucleic acids can absorb ultraviolet light at 260 nm because they have nitrogenous bases.
Chemical Properties
- Acidic in nature
- Hydrolysis
- Base pairing
- Negative charging
Biological Properties
- Stores and transfers genetic information
- The genetic code of every organism i
New answer posted
6 months agoContributor-Level 10
Nucleic acids are biomolecules which is made of nucleotides. They store and transmit the genetic information. Nucleic acids are of two types: DNA (Deoxyribonucleic acid) and RNA (Ribonucleic acid). The following are the functions of nucleic acids.
1. They store and transfer the genetic information.
2. Nucleic acids help in protein synthesis
New answer posted
6 months agoContributor-Level 10
Temperature coefficient is 2 that means rate of reaction doubles at every 10°C rise in temperature.
Thus, k? °C = 2? = 64 k? °C
New answer posted
6 months agoContributor-Level 10
Number of mol of A reacted = 1*10? = 10?
Number of molecule of A = 10? * 6 *10²³
Quantum efficiency = (6 *10¹? ) / (1.2 *10¹? ) = 0.50
New answer posted
6 months agoContributor-Level 10
To decompose 1 mole of H? O, we need two moles of electrons i.e. 2 faraday
To decompose 4 moles of H? O, we need 8 faraday.
Now, Q = I * t? t = (8 * 96500) / 4 = 1.93*10? sec
New answer posted
6 months agoContributor-Level 10
ΔG° = – 2.303RT log Kp = – 2.303* 2 * 300log10? ³
= – 2.303* 2 * 300 * (– 3) = 4145.4cal mol? ¹
New answer posted
6 months agoContributor-Level 10
P? = 1atm
P? = 1atm * 40/100 = 0.40atm
V? = 100 cm³
V? =?
At constant temperature, P? V? = P? V?
So V? = (P? V? ) / P? = (1atm * 100 cm³) / 0.40 atm = 250cm³
Hence, the volume of bulb B = (250 –100) cm³ = 150 cm³
New answer posted
6 months agoContributor-Level 10
As 500g of tooth-paste has = 0.2g of F?
So, 10 g of toothpaste has = (0.2g * 10? g) / 500g F = 400g of F
Hence, concentration in ppm is 400.
New answer posted
6 months agoContributor-Level 10
As 3f-orbital does not exist as value of l cannot be equal to n, hence no electron can be accommodated.
New answer posted
6 months agoContributor-Level 10
ΔH_rxn = ΔH_f (N? O, g) + 3ΔH_f (CO? , g) – (2ΔH_f NO? , g) – 3ΔH_f (CO, g)
= 81 + 3* (– 393) – 2 * 34 – 3 (–110)
= 81 – 1179 – 68 + 330 = – 836 kJ
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