Login
Remember
Register
Science Q&A Sarvan.Net
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
About Us
XML Sitemap
Terms of Service
User ArronXev3244
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by ArronXev3244
0
votes
21
views
How does the presence of UV rays induce the formation of pyrimidine dimers in newly synthesized strands during DNA replication, what are the consequences of having these pyrimidine dimers, and what types of mechanisms do cells employ to repair them?
answered
3 days
ago
in
BioChemistry
0
votes
26
views
What is the bond order of NO+ ion and NO− ion if the bond order of NO is calculated to be 2.5?
answered
Feb 18
in
Chemical bonding
0
votes
30
views
What is the bond dissociation energy of the H-Cl bond in HCl molecule, given that the bond length is 127 pm and the enthalpy change for the reaction HCl(g) → H(g) + Cl(g) is 431 kJ/mol?
answered
Feb 18
in
Chemical bonding
0
votes
32
views
What is the boiling point of potassium chloride (KCl) at standard atmospheric pressure? Show the necessary calculations and units used to arrive at your answer.
answered
Feb 17
in
Inorganic Chemistry
0
votes
25
views
What are the photochemical properties of silver halide crystals used in black and white photography, and how do they produce an image?
answered
Feb 14
in
PhotoChemistry
0
votes
39
views
What is the amount of heat required to melt 10 g of ice at 0°C, given that the heat of fusion of water is 6.01 kJ/mol?
answered
Feb 13
in
ThermoChemistry
0
votes
42
views
What is the effect of doping on the electrical conductivity of semiconductors used in electronic devices?
answered
Feb 12
in
Materials Chemistry
0
votes
36
views
How do you design a chemical reactor to produce 1000 kg of product per hour for the exothermic reaction A + B → C, given the reaction kinetics and heat transfer properties of the system?
answered
Feb 12
in
Chemical engineering
0
votes
28
views
How can the photochromic properties of a material be optimized for efficient use in photochromic lenses or in smart windows technology?
answered
Feb 10
in
PhotoChemistry
0
votes
46
views
Here is a precise question for the student to solve:A chemical reaction occurs in a closed system that results in a change in temperature, but without any change in volume. Using non-equilibrium thermodynamics and irreversible processes, determine the amount of heat absorbed or released by the reaction if the entropy change is known to be 25 J/K.
answered
Feb 4
in
Physical Chemistry
0
votes
55
views
A student wants to determine the rate constant for the reaction between hydrogen and iodine gases, given the following experimental data:-At t=0, the initial concentration of hydrogen is 0.025 M and iodine is 0.015 M.-10 seconds later, the concentration of hydrogen is 0.018 M and iodine is 0.022 M.-The reaction is second-order with respect to hydrogen, and first-order with respect to iodine.What is the rate constant for the reaction?
answered
Jan 22
in
Chemical kinetics
0
votes
54
views
A student performs a chemical reaction in which the theoretical yield of a particular product is 25 grams. After carrying out the reaction, the student recovers only 18 grams of the product. What is the percent yield of the reaction?
answered
Jan 22
in
Chemical reactions
0
votes
47
views
A chemistry student is studying the adsorption of a gas on a solid surface using the Langmuir adsorption isotherm. The student knows that the maximum adsorption capacity (θ_max) of the surface is 0.5 mol/L and that the equilibrium constant (K) for the process is 0.02 L/mol. The student is asked to calculate the fraction of the surface covered by the adsorbate when the gas pressure is 2 atm at the temperature of the experiment.
answered
Jan 22
in
Surface Chemistry
0
votes
46
views
When did the initial research on Mindfulness begin?
answered
Jan 20
in
Psychology
0
votes
45
views
Please evaluate the ethics of research with Indigenous or minority populations.
answered
Jan 20
in
Psychology
0
votes
52
views
What is the impact of child-rearing on the parent's well-being?
answered
Jan 20
in
Psychology
0
votes
52
views
According to the dopamine hypothesis of schizophrenia, what is responsible for the symptoms of the disorder?
answered
Jan 17
in
Psychology
0
votes
41
views
Please evaluate the load theory of attention.
answered
Jan 16
in
Psychology
0
votes
33
views
Who proposed the reinforcement learning theory?
answered
Jan 15
in
Psychology
0
votes
42
views
According to the self-discrepancy theory, what causes the discrepancy between the actual and ideal self in people with eating disorders?
answered
Jan 15
in
Psychology
Page:
1
2
next »
35.9k
questions
35.7k
answers
2
comments
7.1k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(13.4k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...