In a chemical reaction, reactants that are not used up when the reaction is complete are called excess reagents. To calculate the excess reagent, you need to find molecular weight then work out molarity.
It might not seem like it today, but pigs are not actually native to North America. The animals originated in Europe and Asia before being introduced to North America prior to the establishment of the United States. All the way back in 1493, Christopher Columbus brought the creatures to the ...
Cardiovascular diseases (CVDs) are the leading cause of morbidity and mortality worldwide, claiming millions of lives annually and posing a severe threat to human health.1 Both the incidence and mo...
How do you identify a limiting reagent in a chemical reaction? What is formed in a chemical reaction? Explain the energy change calculations in chemical reaction. How to determine the process if it is endothermic What is the definition of chemical reaction in science? 1. Predict these reaction...
Based on the model, it was expected that these differences would become smaller if the experiment were run for a longer period of time, to less than 5% by day 83 (not shown). Model parameters The rainfall frequency had the largest effect on the estimated values of time to 50% K loss ...
Explain why NaOH is not the best test reagent for detecting Pb2+. Why did the solution turn to pink at the end of the titration ? Why are you instructed in the titration procedure to use a dropwise rate? What could happen if you did not use a dropwise rate?
Why is alcohol the limiting reagent in Fischer esterification? Sulfuric acid is used as catalyst in the Fischer esterification. It protonates the carbonyl group of the carboxylic acid and not the hydroxyl function. The resulting cation is resonance stabilized. Since the reaction is a 1:1 reaction...
The clarification and decoloration processes are vital steps to remove impurities from raw sugar juice, which directly determine the quality of the white sugar. Traditional clarification and decoloration techniques normally employ carbonation and sulphitation methods, which are carried out by the ...
An overall stoichiometric factor [19] is calculated in a similar way considering the limiting reagent in the first step. Thus, for the preparation of paracetamol following Route 1 (Figure 4) and acetylation with diluted acetic anhydride (Section 3.3.1), we find: SF " 1 ` trp15.0 ` 25.0 ...
They are usually only set in response to actions made by you which amount to a request for services, such as logging in, using a shopping cart or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of our services will not work without...