Through chemical reactions which involve the making and breaking of chemical bonds, substance undergo chemical changes which involve a change in identity. On the other end of the spectrum, physical changes only involve a change in form. Physical changes retain the ide...
The acid gives highly exothermic reaction with water. When we add water to the acid ; acid released the large amount of heat that can boil water and...Become a member and unlock all Study Answers Try it risk-free for 30 days T...
The phase change when a gas becomes a liquid is: A) boiling B) freezing C) vaporization D) condensation Heating Curves: Basics A heat curve represents the dependence of temperature of some substance with respect to time: A phase curve starts with...
a其实他并不在乎我,自己能感觉的到,可是总想追逐点什么,到头来不过是一场空而已。 Actually he does not care about me, own can feel, but always wants to pursue any, is in the end one spatial.[translate] aWhen I first met you 正在翻译,请等待...[translate] ...
The dissolution of one substance in another is possible only when there is an interaction between the molecules of the two substances. Likewise, some gases, e.g., O2, CO2, N2, NH3, and SO2,get dissolved in water because there exists some attractive interaction between the water molecules and...
aThis kind of thing makes one`s blood boil,whereas-on the whole-the plight of the human beings does not.I am not commenting,merely pointing to a fact.People with brown skins are next door to invisible.Anyone can be sorry for the donkey with its galled back,but it is generally owing ...
1 tbsp flax seed substitute (simply mix 2 1/2 oz of ground flax seeds into 8 fl oz water. Bring to a boil and simmer for a few minutes. Cool, then place in a refrigerator). *Be aware that some baking powders may contain egg ingredients. ...
What temperature does alcohol distill at? The first distillation in the wash stills takes approximately 4 to 7 hours. The wash still has a temperature ofapproximately 173°F (78°C), the evaporation point of ethanol. The whole heat input is used for the evaporation of the alcohol. The disti...
are unnecessary, for it is a play on the name (whatever it may have been) and therefore related only by sound to the term being explained. This, however, presumes that a substance was known prior to this account—a point that Deuteronomy does not seem to allow. S. R. Driver says ...
When a substance is being heated, there is a time when the amount of energy added to the substance increases without any temperature change of the substance. Identify what this situation is called and explain what happens to the ene...