Answer:
changes from a solid to a liquid
Explanation:
<span>The reason why it is easiest to assume the first step is slow is because that would be your rate determining step and would give you the rate law given in the problem. So you take the two compounds from the rate law given and put them as your two reactants in your first step:
NO2 + F2 ---> NO2F + F (all gases)
Your next step needs to make sense for your overall reaction. And you also need to have an intermediate which in this case will be F:
F + NO2 ---> NO2F (again all gases) This is the fast step.
Your intermediate cancels out to give you your overall equation:
2NO2 + F2 ---> 2NO2F (all gases)</span>
The best and most correct answer among the choices provided by your question is the fourth choice which is "<span>Heat moves through conduction, convection, and radiation."
</span>Heat transfer<span> is the exchange of thermal energy between physical systems. The rate of </span>heat transfer<span> is dependent on the temperatures of the systems and the properties of the intervening medium through which the</span>heat<span> is </span>transferred<span>. The three fundamental modes of </span>heat transfer<span> are conduction, convection and radiation.</span>
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Answer: The answer is C. A mercury thermometer is better to measure very small changes in temperature.
Explanation:
i took this quiz and this is the answer .
A) A mercury thermometer can measure the freezing point of a liquid that freezes at −80 °C.
B) An alcohol thermometer can measure the boiling point of a liquid that boils at 80 °C.
C) A mercury thermometer is better to measure very small changes in temperature.
D) An alcohol thermometer is better to measure the boiling points of colorless liquids.
Answer:
yes
Explanation:
Two covalent bonds form between the two oxygen atoms because oxygen requires two shared electrons to fill its outermost shell.