SIGNS of a CHEMICAL REACTION (aka a CHEMICAL CHANGE) a GAS is created as a product a TEMPERATURE change temp heat EXITS reaction—EXOTHERMIC temp heat ENTERS reaction-ENDOthermic a DRAMATIC COLOR change a PRECIPITATE forms A color change is an OBVIOUS sign of chemical reaction & change. Color ...
To understand how interference fringes form on film, you need to know a little bit about light. Light is part of the electromagnetic spectrum — it's made of high-frequency electrical and magnetic waves. These waves are fairly complex, but you can imagine them as similar to waves on water...
The path to our modern understanding of the structure of the lipid bilayer membrane is a long one that can be traced from today perhaps as far back as Benjamin Franklin in the eighteenth century. Here, I provide a personal account of one of the important steps in that path, the ...
We started doing chemical reactions, and these notations are in the equations, s, g, l. I know what they mean, but in a very early set of problems they ask us to predict how certain reactants would pair up or change in the products. And I could figure out mostly how the reactant...
A neutralization equation is a chemical reaction that involves the combination of a strong acid and a strong base. The products of such a reaction are typically water and a salt. It is useful to know how to solve neutralization equations because they are
Before delving deeply in the operation of the Nernst and pump cells, it is important to understand what the sensor is actually trying to measure. To start, lets understand the chemical reactions due to combustion. First, realize that for combustion to occur, there needs to be fuel (such as...
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Reliable chemistryassignment helpinvolves solving equations or describing chemical reactions. Make sure there are experts in chemistry at the team. Be aware that they also know how to complete long and complex assignments. Do they work with all important papers, like coursework or thesis?
Trying to understand why you impulse buy might be able to help you cut down on some of your badfinancial habits. You can take the necessary steps towards limiting your impulse purchases ahead of time before you step into the store.