Answer:
The acceleration of ball is 18 m/s².
Explanation:
Definition:
The acceleration is rate of change of velocity of an object with respect to time.
Formula:
a = Δv/Δt
a = acceleration
Δv = change in velocity
Δt = change in time
Units:
The unit of acceleration is m.s⁻².
Acceleration can also be determine through following formula,
F = m × a
a = F/m
Given data:
Mass of ball = 0.60 kg
Force on it = 10.8 N
Acceleration = ?
Solution:
a = 10.8 N/0.60 kg
a = 18 N/kg
N = kg.m/s²
a = 18 kg.m/s² / kg
a = 18 m/s²
Answer : The molarity of a solution is, 4.88 M
Explanation : Given,
Mass of = 325.4 g
Volume of solution = 500.0 mL
Molar mass of = 133.34 g/mole
Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.
Formula used :
Now put all the given values in this formula, we get:
Therefore, the molarity of a solution is, 4.88 M
Answer:
1) Element is a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei.
2) a) Element is a pure substance
b) It is homogeneous
3) Bromine
4) Elements and compounds are pure chemical substances found in nature. The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions. Examples of elements include iron, copper, hydrogen and oxygen.
5) The law of definite proportions
Explanation:
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Answer:
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