Answer:
Sometimes it is not an increase in force that is desired, but an increase in
distance or speed. Take a baseball bat as an example. A bat is a class 3
lever, meaning the effort is in the middle. This means that it has a
mechanical advantage of less than one. However, when the bat is swung,
the end of the bat is travelling at a much higher speed than the location at
which the batter is holding it. This allows the ball to leave the bat at a
much higher speed than it would with a class one or two lever.
Explanation:
Answer:
Volume of the concentrated solution, which is needed is 103.30 mL
Explanation:
Let's apply the formula for dilutions to solve the problem
Conc. Molarity . Conc. volume = Dil. Molarity . Dil volume
12.1 M . Conc. volume = 2.5 M . 500 mL
Conc. volume = (2.5 M . 500 mL) / 12.1M
Conc. volume = 103.30 mL
Answer:
pH = 12.544
Explanation:
0.0350M 0.0350M 0.0350M.........equilibrium
∴ pOH = - log [OH-]
∴ pH + pOH = 14
⇒ [OH-] = 0.0350 M
⇒ pOH = - Log (0.0350)
⇒ pOH = 1.456
⇒ pH = 14 - 1.456
⇒ pH = 12.544
Answer:
has a highly ordered microscopic structure
Answer:
What is this asking?? I dont get this
