Recent questions in Chemistry

+166 votes

0 answers

What is the mole fraction of O2 in a mixture of CH4 and O2 containing equal masses?

asked Feb 10, 2022 in Chemistry by EmberSculptor

+9 votes

0 answers

What happens when mixing sodium benzoate, potassium sarbote, and citic acid in the same solution?

asked Feb 10, 2022 in Chemistry by ShayW

+305 votes

0 answers

What is the name of the hydrogen that is produced from a carbon-free nuclear power?

asked Feb 10, 2022 in Chemistry by Mooners (2.4k points)

+318 votes

0 answers

Does Pregnyl have the same composition as HCG?

asked Feb 10, 2022 in Chemistry by Ian McM

+23 votes

0 answers

Suppose we have an reaction of the type A->2B with no enthalpy change and we started the reaction at 25°C. In a closed container, will the temperature of the system stay the same due to conservation of energy?

asked Feb 10, 2022 in Chemistry by RadiantNova

+7 votes

0 answers

How are biomolecules are made?

asked Feb 10, 2022 in Chemistry by Dhiraj Lad

+76 votes

0 answers

How can we create fossil fuels which release oxygen after combustion and not carbon emissions?

asked Jan 20, 2022 in Chemistry by Ozzy

+226 votes

0 answers

Two different compounds will give different absorption peak in which IR region, 1500-4000 /cm, 4000-2500 /cm or 600-1500 /cm?

asked Jan 20, 2022 in Chemistry by paddlebackground (2.7k points)

+3 votes

0 answers

When titrating hardness with EDTA and Eriochrome Black T, why does it sometimes happen that after the change of color to blue the solution then returns purple? What is the cation that causes this problem? Does the hardness need to be recalculated?

asked Jan 19, 2022 in Chemistry by happyhero

+89 votes

0 answers

How much aluminum is in a soda can?

asked Jan 19, 2022 in Chemistry by Sortingitout

+21 votes

0 answers

What would happen if a drop of lava fell on you?

asked Jan 19, 2022 in Chemistry by oddjobkev

+15 votes

0 answers

What determines the liquefication temperatures of gases? Is there a way to predict it based on the shape of the molecules or something?

asked Jan 19, 2022 in Chemistry by multi trade

+17 votes

0 answers

Do nonmetals form anions or cations?

asked Jan 19, 2022 in Chemistry by Ruds

+136 votes

0 answers

Can water be split into oxygen and hydrogen using electrolysis? If so, why can't we reverse the process and put the hydrogen and oxygen back together again?

asked Jan 19, 2022 in Chemistry by DaveUK

+95 votes

0 answers

How many grams is 0.001 kg?

asked Jan 18, 2022 in Chemistry by NovaDreamer

+22 votes

0 answers

Which chemical companies have been testing Azure Quantum Elements and what were the results?

asked Jan 18, 2022 in Chemistry by CelestialScribe

+8 votes

0 answers

What is the chemical composition of apricot kernels?

asked Jan 18, 2022 in Chemistry by RadiantVortex

+23 votes

0 answers

The distilate obtained in the beaker is an aqueous solution of ethanoic acid. How would I obtain almost pure ethanoi acid from this solution?

asked Jan 18, 2022 in Chemistry by Mike808

+19 votes

0 answers

A sample of a gas has a volume of 2 liters at a pressure of 1800 Hg and a temperature of 135 °C. What would be the volume of the gas at the STP?

asked Jan 18, 2022 in Chemistry by Allicia22

+102 votes

0 answers

Why do helium and neon have high ionization energy?

asked Jan 18, 2022 in Chemistry by John Moran

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