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Ivanshal [37]
3 years ago
9

Bach Company paid $120,000 to purchase a machine on January 1, 2012. During 2014, a technological breakthrough resulted in the d

evelopment of a new machine that costs $150,000. The old machine costs $50,000 per year to operate, but the new machine could be operated for only $18,000 per year. The new machine, which will be available for delivery on January 1, 2015, has an expected useful life of four years. The old machine is more durable and is expected to have a remaining useful life of four years. The current market value of the old machine is $40,000. The expected salvage value of both machines is zero.
Required:
a.
Calculate the total avoidable costs in keeping the old machine and buy a new machine.



b. Should the machine be replaced?
Yes
No
Chemistry
1 answer:
Amanda [17]3 years ago
8 0

Answer:

Explanation:

a) calculate the total avoidable cost in keeping the old machine and buy a new machine:

 PARTICULARS                                  KEEP OLD              BUY NEW

                                                             AMOUNT($)            AMOUNT($)

Opportuinty cost of buying                40,000

the old machine

Purchase price                                                                         150,000

Operating expenses

(50,000 × 4 years)                               200,000

Operating expenses

18,000 × 4 years)                                                                        72,000

TOTAL AVOIDABLE COST                  240,000                        222,000

b)Decision:

Since the cost of operating the new machine is lower,it should be replaced

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3 years ago
Automotive air bags inflate when sodium azide, NaN3, decomposes explosively to its constituent elements. How many moles of nitro
attashe74 [19]

Answer:

2.29 g of N2

Explanation:

We have to start with the <u>chemical reaction</u>:

NaN_3~->~Na~+~N_2

The next step is to <u>balance the reaction</u>:

2NaN_3~->~2Na~+~3N_2

We can continue with the <u>mol calculation</u> using the molar mass of

NaN_3 (65 g/mol), so:

3.55~g~NaN_3\frac{1~mol~NaN_3}{65~g~NaN_3}=0.054~mol~NaN_3

Now, with the<u> molar ratio</u> between NaN_3  and N_2  we can <u>calculate the moles</u> of N_2  (2:3), so:

0.054~mol~NaN_3\frac{3~mol~N_2}{2~mol~NaN_3}=0.0819~mol~N_2

With the molar mass of N_2 we can <u>calculate the grams</u>:

0.0819~mol~N_2=\frac{1~mol~N_2}{28~g~N_2}=2.29~g~N_2

I hope it helps!

5 0
3 years ago
Which compound is responsible for the smell that is associated with the decomposition of dead animals?
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the results from the breakdown of proteins and amino acids causing a foul smell
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4 years ago
True or false a mixture is made of two or more elements that are chemically combined
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Justification:


1) The plum pudding model of the atom conceived by the scientist J.J. Thompson, described the atom as a solid sphere positively charged with the electrons (particles negatively charged) embedded.


2) The next model of the atom, developed by the scientist Ernest Rutherford, depicted the atom a mostly empty space with a small dense positively charged nucleous and the electrons surrounding it.


3) Then, Niels Bhor came out with the model of electrons in fixed orbits around the nucleous, just like the planets orbit the Sun. So, the path followed by the electrons were orbits.


4) The quantum model of the atom did not place the electrons in fixed orbits around the nucleous but in regions around the nucleous. Those regions were named orbitals. And they are regions were it is most probable to find the electron, since it is not possible to tell the exact position of an electron.


As per this model, the electron has a wave function associated. The scientist Schrodinger developed the wave equation which predicts the location of the electron as a probability.


The orbitals are those regions were it is most likely to find the electron. Those regions are thought as clouds of electrons.

5 0
3 years ago
Read 2 more answers
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