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What factor might make an endothermic reaction spontaneous?
An endothermic reaction can be spontaneous if the increase in entropy (disorder) of the system is large enough to overcome the energy input required for the reaction to occur.
What happens if you add magnesium to sodium hydrogen-sulphate?
When magnesium is added to sodium hydrogen sulfate, a single displacement reaction occurs where magnesium displaces hydrogen from the compound, forming magnesium sulfate and releasing hydrogen gas. The balanced chemical equation is: Mg + NaHSO4 -> MgSO4 + H2↑
Substance produced by a chemical reaction?
A product is a substance formed during a chemical reaction. It is the result of the reaction's course and might have different physical or chemical properties than the reactants.
What evidence of a chemical reaction might you see dropping an alka-seltzer tablet into a glass of water?
You might observe fizzing or bubbling as the tablet dissolves in the water due to the release of carbon dioxide gas. This effervescent reaction is evidence of a chemical reaction occurring between the ingredients in the tablet and water.
How would their reaction be different from the reaction of a modern audience?
A historical audience might have more focused on the formality and decorum of the situation, while a modern audience might react more emotionally or critically. Modern audiences may also have different social norms or values that influence their reaction compared to a historical audience.
Toyota carolla 1996 trunk latch jammed?
you have to go to a mechanic and they will fix it te hook might have been dented and will not come out of the latch
What are Examples of inferior goods and why?
An example of an inferior good might be a dented can of food. This type of item is usually sold at a discount because it is not in perfect condition.
Do you need to protect limestone features?
yes, because if you leave them out in the open while it's raining acid rain, then there is a good chance that a reaction will occur and it gets worn down. another thing is that if it is raining, and there are small cracks in the limestone, the rain might fill up the cracks, and freese up, which then means that the ice expands and cracks the stone even further. (please note that it has to be less tha 0 degrees celcius for this to happen)
Why might an appliance retailer hammer dents into the sides of its refrigerators?
Some retailers buy scratch and dent aplliances, they get dented during shipping and delivery and are sold cheeper..
Is there a whole in the ozone layer?
No... But there might be a HOLE in it...
What might cause a bulge in the slope of a volcano?
the magma growing in size and large cracks forming
Why does your fondant crack?
As the batter cooks, the outside cooks first and as the center continues to rise, the cracks are formed as it pushes up. Cooking on a lower temperature for a longer time will reduce the cracks.
What would cause a recurring thumping noise and a slight vibration in the floor when a car is moving but is not there when it is idle?
The driveshaft might be out of balance or dented in some way, also check the u joints
How do you know if a can is bad?
If the can is dented, rusted, or if the top is rounded it may be spoiled. If you open the can and you don't hear a puff of air, it might be spoiled. When in doubt don't eat food from damaged cans.
What might be formed in the chemical reaction H202?
H2O2 is not a chemical reaction, it is Hydrogen Peroxide.
What is the risk of a thinner ozone layer?
A thinner ozone layer might lead to more UV entrance. These UV's might cause cataract like problems in humans.
What might happen over time if rain froze in the cracks of a rock?
It may crack the rock as it expands.
