The Rutherford Model shows an atom with electrons orbiting a fixed, positively charged nucleus in set, predictable paths. The Bohr model shows electrons travel in defined circular orbits around the nucleus.

5 0

3 years ago

What is the percent rate of change in function y = $(0.99)^x$? Determine whether the function represents exponential growth or

storchak [24]

Answer: The correct answer is 1%: exponential decay.

Explanation: We are given a function:

$y=(0.99)^x$ ...(1)

To determine the percentage rate of change in function, we compare the given function with the general form of exponent function, which is:

$y=a(1+r)^x$ ...(2)

Comparing both the equations, we get:

$1+r=0.99$

$r=-0.01$

We take 'r' in percentage, so converting this above value in percentage, we get:

$r=-0.01\times 100=-1\%$

As the value of 'r' is negative, it means that the exponent is decaying, so the percentage rate of change in function will be 1% and it will be exponential decay.

6 0

3 years ago

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What is the boiling point elevation constant, Kb, of diethyl ether if 38.2 g of the nonelectrolyte benzophenone, C6H5COC6H5, dis

kakasveta [241]

Answer: the boiling point elevation constant is $1.73^0C/m$