Predict the products of the double replacement reactions given. Check to see that the equations are
1 answer:
The balanced equation for the given reaction
A double replacement is a chemical reaction that takes place in which two reactants swap cations or anions to produce two distinct products.
Whenever the cations representing one of the reactants interact with the anions from another reactant to produce an insoluble ionic compound, a precipitate occurs.
The balanced equation for the given reaction:
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Answer:
a
The null hypothesis is
The alternative hypothesis
b
The 95% confidence interval is
Step-by-step explanation:
From the question the we are told that
The population mean is
The sample size is n = 30
The sample mean is
The standard deviation is
Given that the confidence level is then the level of significance is mathematically represented as
=>
Next we obtain the critical value of from the normal distribution table
The value is
Generally the margin of error is mathematically represented as
substituting values
The 95% confidence interval confidence interval is mathematically represented as
substituting values