Answer:
Explanation:
Distance is the product of speed and time.
The speed is 8 kilometers per hour and the time is 4 hours.
Substitute the values into the formula and multiply. Note that the hours will cancel when multiplied.
Mr. Evans traveled <u>32 kilometers.</u>
Answer:
The answer is option D.
Explanation:
In balancing in acidic solutions, the oxygen is accounted for by adding a water molecule or H2O on the side that needs oxygen and 2H+ molecules for every H20 molecules placed on the other side of the equation.
The H+ and H2O molecules are in the ratio 2 : 1
Hope this helps you
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The equilibrium means that amount that are coming equals the amount that are going.
So the correct answers are
2. A person's income and expenses are equal every month.
3. The pressure exerted on the inside of a balloon by the gas inside is equal to the pressure exerted on the outside of the balloon by the atmosphere.
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Answer:
n = 10.7142 /mol
Explanation:
The formula for calculating mole is given as
n = m / M ----- (1)
Given data:
m = 150 g
M = 14g/mol
n = ?
Solution:
putting values in equation (1),
n = 150 g / 14 g/mol
n = 10.7142 /mol