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Alex_Xolod [135]
3 years ago
10

What natural and human made features can a map show? Give two examples of each.

Chemistry
1 answer:
Bess [88]3 years ago
3 0
Natural: Land mounds, Rivers
Human made: Country borders, cities
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What is needed to release the energy in a bond?
IRISSAK [1]
Answer:

More Energy

Explanation:

Energy is required to break bonds
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3 years ago
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Assuming the substance is one of those listed in the table presented in this lesson, what is the identity of the substance?
zepelin [54]

The identity of the substance is Iron.

<h3>Properties of Iron</h3><h3>Chemical properties</h3>
  • The element iron has the atomic number 26 and the symbol Fe
  • Electronic configuration of Fe is [AR] 3d6 4s2
  • The atomic weight of Iron is 55.847
  • The element iron belong to the group VIII of the periodic table
  • It is the fourth most prevalent element in the crust of the world
  • It is a highly reactive element as it gets rusted readily in the moisture of air
<h3>Physical properties</h3>
  • It is a heavy metal in the first transition series  
  • The color of iron is silvery grey
  • High malleability and ductility
  • It has a strong electrical conductivity.  

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brainly.com/question/2140373

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8 0
2 years ago
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Using the Brønsted-Lowry concept of acids and bases, identify the Brønsted-Lowry acid and base in each of the following reaction
Luden [163]

Answer:

1. HSO³⁻(aq) + H₂O(l) → H₂SO₃(aq) + OH⁻(aq)

<u>The Brønsted-Lowry acid is H₂O and the Brønsted-Lowry base is HSO³⁻</u>

<u />

2. (CH₃)₃N(g) + BCl₃(g) → (CH₃)₃NBCl₃(s)

<u>There are no Brønsted-Lowry acids and bases in this reaction.</u>

Explanation:

According to the Brønsted-Lowry concept, when an acid (HA) and a base (B) undergoes a chemical reaction, the acid (HA) loses a proton and forms its conjugate base (A⁻), whereas the base gains (B) the proton to form its conjugate acid (HB⁺).

<em>The chemical equation for this reaction is:</em>

HA  +  B  ⇌  A⁻  +  HB⁺

Given reactions:

1. HSO³⁻(aq) + H₂O(l) → H₂SO₃(aq) + OH⁻(aq)

<u>The Brønsted-Lowry acid is H₂O and the Brønsted-Lowry base is HSO³⁻</u>

Reason: In this reaction, the acid H₂O loses a proton and forms its conjugate base, OH⁻. Whereas, the base HSO³⁻ gains a proton to form its conjugate acid, H₂SO₃.

2. (CH₃)₃N(g) + BCl₃(g) → (CH₃)₃NBCl₃(s)

<u>There are no Brønsted-Lowry acids and bases in this reaction.</u>

Reason: In this reaction, there is no exchange of proton between the acid and the base.

4 0
3 years ago
Heat Transfer Lab
scoray [572]

Heat Transfer Lab

The following represents a lab set up for heat transfer. The cup on the left started with boiling water at 100 degrees C and the cup on the right has water at 20 degrees C. There is an aluminum bar between the two cups allowing heat to transfer from one cup into the other. The set up will be left alone for 20 minutes and temperatures of each cup of water will be recorded every minute for 20 minutes.

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How do you get from mL to cm cubed
Nastasia [14]
Definition: Cubic centimeter. A cubiccentimetre (cm3) is equal to thevolume of a cube with side length of 1 centimetre. It was the base unit ofvolume of the CGS system of units, and is a legitimate SI unit. It is equal to a millilitre (ml).

Convert ml to cm cubed - Conversion of Measurement Units

4 0
3 years ago
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