Chemistry

Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned... | Contact experts in Chemistry to get answers

11,551 views 3,550 posts

Questions related to Chemistry

Peatland water filtering doubt for posterior chemical analysis in a photometer. Can anyone help?

I have a question about water samples taken from peatlands. What filter do you recommend (in terms of pore size) to filter this water (with a large amount of suspended substances)? My idea would...

26 November 2024 1,099 4 View

How do you say this address 1309 Main St ?

Say it aloud please..... Most people say the address 1309 as “thirteen, O, nine” not “thirteen, zero, nine.” You might not have even realized that you hear someone say “O” and you think and write...

25 November 2024 2,757 1 View

DNA versus Buddha nature?

Buddhism seems to be answering the same question: What is the fundamental nature of living stuff?

12 November 2024 144 1 View

What improvement should be made to make fair Cyber laws in Bangladesh? And how to make sure it's not being taken advantage of by the ruling party?

Cyber law any other laws in general laws had been always taken advantage of by the ruling parties in Bangladesh. Any suggestion including adding or substracting sections and clauses or say...

27 October 2024 9,940 1 View

Numerical Questions and computational analysis?

Explain why numerical techniques are used to find derivatives as per numerical differentiation. What is numerical differentiation and state its application in Numerical analysis and computation?...

11 October 2024 1,876 2 View

What is the optimal residual charge (in terms of voltage) in spent LiCoO₂ (LCO) batteries that is considered safe for dismantling?

What is the optimal residual charge (in terms of voltage) in spent LiCoO₂ (LCO) batteries that is considered safe for dismantling? Similarly, what is the recommended safe residual voltage for...

02 October 2024 6,429 0 View

What are the key factors contributing to Pakistan's recurring balance of payments crises, and how can policy measures address structural weaknesses?

What are the key factors contributing to Pakistan's recurring balance of payments crises, and how can policy measures address structural weaknesses in its economic framework to promote long-term...

22 September 2024 3,027 0 View

How can cunnilingus provide female orgasm if men have to go to prostitutes to obtain fellatio?

My feeling is that I would consider sucking a cock with a loaded gun at my head. No other way. (Shere Hite)

18 September 2024 2,967 0 View

Is this a possible workaround when I'm having troubles finding correlations between A and B?

Good day, all. I'm an undergraduate student working on my first going-to-be-published paper with the help of my instructor. I'm having trouble writing my introduction and I'd like suggestions on...

16 September 2024 6,028 5 View

How would you validate the number of expert validations required for designing a psychological intervention?

Main Question: How would you validate the number of expert validations required for designing a psychological intervention? Follow-Up Question: What criteria should be considered when selecting...

16 September 2024 2,611 0 View

[Call for paper] International Journal of Complexity in Applied Science and Technology?

International Journal of Complexity in Applied Science and Technology， NOTE: Excellent papers can be accepted within 30 days, and No fee for publishing papers Topics covered include Evolutionary...

11 September 2024 1,851 0 View

A way to update tridiagonal matrices and maintain sparsity?

I am solving a large system of nonlinear equations. The Jacobian for this system of equations is a block tridiagonal matrix. When solved using Newton's method, the equation residuals may keep...

08 September 2024 6,296 4 View

Why is it that only some women know that orgasm from intercourse is impossible?

I never fake orgasm. I am angry with other women who do, because then men can tell me that I am incapable sexually, because I do not have vaginal climaxes, and other women they have slept with do....

02 September 2024 5,256 0 View

Liquid Metal in Aspen Plus ?

Hello all, I want to define a custom fluid, liquid metal, in aspen plus. Can anyone direct me to an article or sources? - Thanks

31 August 2024 7,990 0 View

I want research papers on UAV vehicles for obstacle avoidance using Neural network algorithms?

I want research papers related to obstacle avoidance for uav vehicles using random forest and neural network related algorithn

31 August 2024 6,093 0 View

Hello friends, if I have a base fluid consisted of 40% Ethylene glycol and 60% water, how can I find the thermal properties of the base fluid?

Hello friends, if a base fluid consists of 40% Ethylene glycol and 60% water, how can I find the thermal properties of the base fluid? if someone have a file in such situation I wish if he/she...

27 August 2024 7,529 2 View

Hello, What is the reason for using cohesive energy instead of enthalpy in structure stability calculations?

Why is cohesive energy calculated for polymers?

26 August 2024 4,916 11 View

How to use GeneRead QIACube for NA isolation?

Dear colleagues I have a GeneRead QIACube station which is specified for no longer supported Qiagen NGS GeneReader workflow (emulsion technology). It looks pretty much the same as casual...

24 August 2024 3,281 1 View

Why cant electrons jump from a singlet ground state to a triplet exited state?

so according to the jeblonski diagram electrons get exited from the ground state first go to the singlet exited state than transition to a triplet exited state with a lower energy but if a triplet...

23 August 2024 2,557 0 View

How to figure out a mixed model provide a reasonable fit?

Hello, I am familiar with mixed model, just wanted to know How to figure out a mixed model provide a reasonable fit? when I get the results of running mixed model which criteria should I...

23 August 2024 5,262 3 View

¿How to quantify the fluorescence intensity using images exported from image studio 5.2?

Hi everyone. I'm currently trying to quantify the fluorescence intensity for a protein of interest in human tissues using a infrared scanner LI-COR Odyssey 3030 and its image studio 5.2 software....

23 August 2024 2,503 0 View

Is it necessary to seed uniform number of cells for different intervals of time (such as 24 Hr, 48 Hr, 72 Hr) in case of MTT assay?

Hi I intend to perform MTT assay for 24 Hrs, 48 Hrs, and 72 Hrs drug treatment. Is it ok to seed different numbers of cells for each plate (24 Hrs, 48 Hrs, and 72 Hrs)? Or is it mandatory to seed...

22 August 2024 1,508 1 View

What is the level of radiographers' awareness and knowledge of security features in PACS technology?

PACS incorporate security features to secure patient data. With the rise in cyberattacks involving healthcare data. To what extent are radiographers aware of these features, know how to operate...

20 August 2024 5,092 0 View

Instead of thiourea if thioacetamde is used as sulfur precursor in the nanomaterial synthesis then how it differ in their pH in water?

..

20 August 2024 6,452 3 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close