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muminat
3 years ago
7

The heat of fusion of a substance is the energy measured during a.

SAT
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

the answer is phase change

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A carbon monoxide detector

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Which reaction will most likely take place based on the activity series? li > k > ba > ca > na > mn > zn >
Ivenika [448]

The only reaction that will most likely take place based on the activity series is; C: Ba + Na₂CO₃

<h3>Activity Series</h3>

From the activity series given, we can say that during a displacement reaction, the more reactive metal will always displace the lesser reactive metal from a compound.

Let us look at each of the given options;

A) Ag + FeCl₃

From the activity series, Silver(Ag) is less reactive than Iron(Fe) and as such Silver cannot displace iron from its' compound.

B) Zn + CaO

Zinc (Zn) is a less reactive metal than Calcium (Ca), so it cannot cannot displace Calcium from its' compound.

C) Ba + Na₂CO₃

Barium (Ba) is a more reactive metal than Sodium (Na), and therefore Barium will displace sodium from its compound in a displacement reaction.

D) Cr + KNO₃

Chromium (Cr) is a lesser reactive metal than Potassium (K), and it therefore cannot displace Potassium from its compound.

Complete question is;

Which reaction will most likely take place based on the activity series? Li > K Ba > CaNa > Mn > Zn > Cr> Fe> Cd Ni > H > Sb > Cu > Ag > Pd > Hg > Pt

A. Ag + FeCl₃

B. Zn + CaO

C. Ba + Na₂CO₃

D. Cr + KNO₃

Read more about Activity Series at; brainly.com/question/17469010

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Timelines show a. The order of events c. Why an event may have taken place b. An event’s place in history d. All of these Please
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Answer:

d. All of these

Explanation:

A timeline can be defined as a graphical representation of a series of important events in order in which they have occurred i.e in a chronological or sequential order. Thus, a timeline shows the order of events from top to bottom or left to right, starting with the earliest and moving forward to the most recent (latest).

Generally, a timeline is typically considered to be a cause and effect graphic organizer due to the fact that it illustrates events in a chronological or sequential order, their place in history, and how these events are interrelated or led to another.

This ultimately implies that, timelines show;

a. The order of events.

b. An event’s place in history.

c. Why an event may have taken place.

<em>For example, a timeline can be used to show the order in which the various battles fought during the American Revolutionary War occurred. </em>

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A stationary siren emits a sound of frequency 1000 hz and wavelength 0. 343 m. An observer who is moving toward the siren will m
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In ΔUVW, u = 8.6 cm, v = 2 cm and w=7.7 cm. Find the measure of ∠V to the nearest 10th of a degree.
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