2 years ago

What does a map scale measure?

Chemistry

1 answer:

d1i1m1o1n [39]2 years ago

7 0

Answer:

Map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground.

Explanation:

For example, on a 1:100000 scale map, 1cm on the map equals 1km on the ground.

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28. The formula for magnesium nitride is____.<br> a. MgN<br> b. MgN3<br> c. Mg3N2<br> d. Mg2N3

oksian1 [2.3K]

Answer:

Explanation:

As long as those numbers are subscripts then that's right

8 0

2 years ago

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Some water released 7800 J of energy when cooled from 78°C to 33°C. What was the mass of the water?

Karo-lina-s [1.5K]

Answer:

-41. 47

Explanation:

m = q / Cp x T

m = Mass

q = Energy (or joules)

Cp = Heat Capacity

T = Change in Temperature

Water's heat capacity is always 4.18.

This is the formula you'll need for change in temperature:

Final - Initial

So, 33 - 78 = -45

m = 7800 / 4.18 x -45

= -41.47

4 0

1 year ago

Please help!!! DUE IN 10 minutes

NARA [144]

Answer:

232.04

Explanation:

90 - atomic number

Th - element symbol

232.04 - atomic mass

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2 years ago

Find ∆G for a cell whose potential is +0.24 V with 4 moles of electrons exchanged.

Setler [38]

We need to use the following formula
Δ $G= -nF E_{cell}$

$E_{cell}= 0.24V$
n= 4 moles
F= constant= 96500C/mol

let's plug in the values.

ΔG= -(4)(96500)(0.24)= -92640 J or -92.6 kJ

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3 years ago

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A hand-operated conduit bender with a shoe for bending 1-inch EMT can also be used to bend

mixer [17]

If your choices are the following:
A. 1-inch IMC.
B. 1-inch rigid conduit.
C. 3/4 inch IMC.
D. 1/2 inch EMT.

Then the answer is C.

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3 years ago