Robert was able to travel 166.0 miles in 4.000 hours and used 39 liters of gasoline. what was robert's speed in feet per second?

60.87 ft/s

Explanation:

Speed is defined as a ratio between the distance traveled and time. Given a total distance of:

Let's convert it into feet first of all using the conversion factor:

We obtain:

Now let's convert the given time into seconds knowing that:

Then:

Now let's find the speed:

if you mean hydrogen and oxygen then water is the product

since electrons are negative the answer is neagtaive