Answer:
142.0 moles CO₂
Explanation:
To answer this question, we first need to know what a mole is. A mole represents of something, and in this case, that something is molecules.
So, to convert molecules into moles, we need to use the conversion factor .
Doing so (using dimensional analysis) gives us:
Kilograms B because milligrams would be too high of a number and kilometres is a length measurement and so is milliliters
The time taken for the water fountain to dispense 842.75 mL of water is 20.625 seconds
<h3 /><h3>What is time?</h3>
Time can be defined as the measure of past, present or future events.
To calculate the time taken to dispense 842.75 mL of water, we use the formula below.
Formula:
- F = V/t................ Equation 1
Where:
- F = Average flow rate of the fountain
- V = Volume of the water
- t = time.
Make t the subject of the equation.
- t = V/F................ Equation 2
From the question,
Given:
- F = 0.64 gallons per minutes
- V = 842.75 mL = (842.75/1000)/(3.78541) gal = 0.22 gal.
Substitute these values into equation 2
- t = 0.22/0.64
- t = 0.34375 minutes.
- t = (0.34375×60) = 20.625 seconds.
Hence, The time taken for the water fountain to dispense 842.75 mL of water, is 20.625 seconds.
Learn more about time here: brainly.com/question/13893070
Open system ( exchanges energy and matter with the surroundings)
Closed system ( exchanges only energy with the surroundings)
Isolated system ( does not exchange energy or matter)
Adiabatic system ( does not allow any heat to be transferred into or out of the system)