Exothermic is the release of heat. Exo as in exit to leave and thermos, the Greek word for heat. Endothermic is the absorption of heat. So if a chemical reaction is exothermic the reaction loses heat and it feels warm to you. If it is endothermic, it absorbs heat. If you are holding a beaker with an endothermic reaction, it will absorb the heat from you and therefore these re
actions feel cool to touch!
Answer:
The effect is the increasing of the molar concentration.
Explanation:
When you standarize a solution of NaOH with KHP you are establish its molar concentration (That is the amount of moles of NaOH per liter of solution).
If you evaporated some water of the solution, you are increasing its concentration because volume is decreasing doing the amount of moles per liter increasing.
Total density of filled ball with hydrogen gas: ![\frac{0.12g+0.050344g}{0.560L} = 0.3041g/L](https://tex.z-dn.net/?f=%5Cfrac%7B0.12g%2B0.050344g%7D%7B0.560L%7D%20%3D%200.3041g%2FL)
The relationship between mass and volume can be easily determined using density; for example, the mass of a body is equal to its volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d). The ball filled with hydrogen will float in the air because total density of filled ball is lessor than the density of an air.
Density of hydrogen gas = ![d_2 = 0.0899g/L](https://tex.z-dn.net/?f=d_2%20%3D%200.0899g%2FL)
Mass of the hydrogen gas : ![\frac{0.12g+0.050344}{0.560L} = 0.3041g/L](https://tex.z-dn.net/?f=%5Cfrac%7B0.12g%2B0.050344%7D%7B0.560L%7D%20%3D%200.3041g%2FL)
Learn more about Mass and Density here:
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Answer:
Lubrication in vehicles. When you put oil into your car or truck, you should be aware of its viscosity
Cooking. Viscosity plays a significant role in the preparation and serving of food.
Manufacturing. Manufacturing equipment requires appropriate lubrication to run smoothly.
oh, and medicine