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2 years ago

13

Which feature of a map shows the relationship between a distance on a map and that distance on Earth? key scale grid system comp

ass rose

2 answers:

fiasKO [112]2 years ago

8 0

Answer:

Scale is the right answer

Explanation:

The scale is a sentence that relates distance on the map to distance on Earth

Anvisha [2.4K]2 years ago

7 0

Answer:

b

Explanation:

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A) Calculate the average density of the following object (assume it is a perfect sphere). SHOW ALL YOUR WORK (formulas used, num

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Answers:

A) 2040 kg/m³; B) 58 600 km

Explanation:

A) Density

$V = \frac{ 4}{3 }\pi r^{3} = \frac{ 4}{3 }\pi\times (\text{1150 km})^{3} = 6.37 \times 10^{9} \text{ km}^{3}$

$\text{Density} = \frac{\text{mass}}{\text{volume}} = \frac{1.3\times 10^{22} \text{ kg} }{6.37 \times 10^{9} \text{ km}^{3}}\times (\frac{\text{1 km}}{\text{1000 m}})^{3} = \text{2040 kg/m}^{3}$

<em>B) Radius</em>

$\text{Volume} = \frac{\text{mass}}{\text{density}} = \frac{5.68\times 10^{26} \text{ kg} }{687 \text{ kg/m}^{3} }= 8.268 \times 10^{23} \text{ m}^{3}$

$V = \frac{ 4}{3 }\pi r^{3}$

$r^{3} = \frac{3V }{4 \pi }\$

$r= \sqrt [3]{ \frac{3V }{4 \pi } }$

$r= \sqrt [3]{ \frac{3\times 8.268 \times 10^{23} \text{ m}^{3}}{4 \pi } }= \sqrt [3]{ 1.974 \times 10^{23} \text{ m}^{3}}= 5.82 \times 10^{7} \text{ m}=\text{58 200 km}$

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3 years ago

What is carboxylic acid?

maksim [4K]

Answer:

Carboxylic acid

A carboxylic acid is an organic acid that contains a carboxyl group attached to an R-group. The general formula of a carboxylic acid is R−COOH or R−CO₂H, with R referring to the alkyl, alkenyl, aryl, or other group. Carboxylic acids occur widely. Important examples include the amino acids and fatty acids.

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3 years ago

What is the chemical symbol for iron

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The atomic symbol for Iron is Fe, as the Latin word for Iron is <em>ferrum</em>.

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3 years ago

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Topics: Fundamentals of electrochemistry; Electrochemical cells

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Answer:

how to help people that helps

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2 years ago

If the number of moles of gas is doubled at constant temperature and volume, the pressure of the gas:__________

Vladimir79 [104]

Answer:

answer is b

use pv=nRT

p directly proportional to moles(n)

p1/p2=n1/n2

p/p2=n/2n

p2=2p

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3 years ago