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labwork [276]
3 years ago
5

Which is a positive effect of the technology advance of going from a compass to a gps

Chemistry
1 answer:
egoroff_w [7]3 years ago
4 0

Answer:

Compass - Gps                              

Explanation:

I belive the pro's                                      and cons are

                                         GPS             you are trusting a little man made device

the direction you                               to give you directions

are going on                                        and that it won't break or die

a device not a paper map

                                                Compass

You can see north east south and              it is usually carefully crafted for                                                                                                                                                                          o                                                                     outdoors but it has no roads and

west on the compass and                          if given no directions, extremely

you can see the roads follow directions                  confusing until you learn it

like go south then east.

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Which of the following will form a solution? (Select all that apply.)
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Answer:

sand and water

Explanation:

when u mix these both it will become like a paste

4 0
2 years ago
Identify the reactants and products in the following chemical equation: Zn +2HCl --> ZnCl2 + H2 *
Ad libitum [116K]

Answer:

A.

Explanation:

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hope it helps. :)

7 0
2 years ago
Which factor causes chemical weathering​ it for science
VMariaS [17]

Answer:

acid or sunlight

Explanation:

7 0
3 years ago
Read 2 more answers
What does every food energy chain start with?
Zinaida [17]
Producers (autotroph)

I’m sorry if this isn’t the answer you were looking for, if so, please be more specific and I can try to help again, thank you.
8 0
2 years ago
What is the concentration (in M) of a sample of the unknown dye with an absorbance of 0.25 at 542 nm?
Sladkaya [172]

Answer:

see explanation below

Explanation:

Question is incomplete, so in picture 1, you have a sample of this question with the missing data.

Now, in general terms, the absorbance of a substance can be calculated using the beer's law which is the following:

A = εlc

Where:

ε: molar absortivity

l: distance of the light in solution

c: concentration of solution

However, in this case, we have a plot line and a equation for this plot, so all we have to do is replace the given data into the equation and solve for x, which is the concentration.

the equation according to the plot is:

A = 15200c - 0.018

So solving for C for an absorbance of 0.25 is:

0.25 = 15200c - 0.018

0.25 + 0.018 = 15200c

0.268 = 15200c

c = 0.268/15200

c = 1.76x10⁻⁵ M

5 0
2 years ago
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