Answer:
<h3>The answer is 571.43 mi/hr</h3>
Explanation:
The average speed in the question can be found by using the formula

where
d is the distance
t is the time taken
We have

We have the final answer as
<h3>571.43 mi/hr</h3>
Hope this helps you
<h2>Answer:</h2>
Solution is unknown but its PH is indicating that it is a <u>slight Basic solution</u>.
So solution can be sea water or eggs.
The total reaction energy calculated by reactant bond energy - product
bond energy
The reactant bond energy is usually higher than that of the product bond
energy. This is as a result of the bonds in the product having higher bond
energy than the reactants.
<h3>What is Total reaction energy?</h3>
The total reaction energy is therefore calculated by subtracting the product
bond energy from the reactant bond energy so as to know the net energy
which was used in the reaction.
Read more about Reaction energy here brainly.com/question/24722308
Answer:

Explanation:
We can use Dalton's Law of Partial Pressures:
Each gas in a mixture of gases equals its pressure independently of the other gases
