What is another name for the Group 2 Elements? *
1 answer:
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Answer: He will earn $75 after 3 years.
Explanation: To calculate Simple Interest, we use the formula:
.....(1)
where, i = Simple Interest
P = Principle amount
R = Rate of interest
t = Time period
Given:
P = $500
R = 5%
t = semiannually which means years
As we are asked the total amount earned after 3 years which means 6 half years, so we multiply the interest calculated semiannually by 6 to get the total interest after 3 years.
Putting all the values in equation 1, we get
i = $75
Total amount earned after 3 years = i = $75
= $75
Answer:
Explanation:
The equilibrium constant for a given reversible aqueous reaction is defined by the product ratio of the concentrations between the products and reactants:
aA + bB ⇄ cC + dD
<em>where K: is the equilibrium constant, [C] and [D]: are the product concentrations, [A] and [B]: are the reactant concentrations and a,b,c,d: are the stoichiometric coefficients from the reaction. </em>
Therefore, based on the definition the equilibrium constant of our reaction is:
2CrO₄²⁻(aq) + 2H₃O⁺(aq) ⇄ Cr₂O₇²⁻(aq) + 3H₂O(l)
Generally, the water concentration is omitted from the expressions.
I hope it helps you!