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seraphim [82]
3 years ago
7

Name the following species: (a) BrO-, (b) (HSO4)-, and (c) (C2O4)-2

Chemistry
1 answer:
Rainbow [258]3 years ago
5 0

Answer:

a)barium oxide

b) sulphuric acid

c) oxalate

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2. If Ben ran for 15 minutes and went 120 meters, how fast did he run?​
jeka57 [31]

Answer:

8m/min

Explanation:

120 m / 15 min = 8 meters per min

3 0
2 years ago
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Is the movement of plates to form land masses is called plate tectonics
joja [24]
Yes the movement of land forms is called the movment of plate tectonics. :) plz thnk me
4 0
3 years ago
Item 3
svetoff [14.1K]

Answer:

Semiconductors are poor conductors at low temperatures, but their resistance decreases with increasing temperature.

Explanation:

A semiconductor can be defined as a crystalline solid substance that has its conductivity lying between that of a metal and an insulator, due to the effects of temperature or an addition of an impurity. Semiconductors are classified into two main categories;

1. Extrinsic semiconductor.

2. Intrinsic semiconductor.

The statement which best describes the electrical conductivity of metals and semiconductors is that semiconductors are poor conductors at low temperatures, but their resistance decreases with increasing temperature.

This ultimately implies that, semiconductors are typically an insulator (poor conductor) at low temperatures and a good conductor at high temperatures.

Additionally, conduction involves the transfer of electric charge or thermal energy due to the movement of particles. When the conduction relates to electric charge, it is known as electrical conduction while when it relates to thermal energy, it is known as heat conduction.

6 0
2 years ago
When zinc nitrate is heated, zinc oxide, nitrogen dioxide(NO2) and oxygen gas are
laiz [17]

Answer:

i) 16.5g of ZnO

ii) 9.8 dm³ of NO2

Explanation:

The working is shown in the photo so kindly refer to it

6 0
2 years ago
With regard to wind, describe the time of day that an early explorer might have planned to enter a harbor and when he might have
Zielflug [23.3K]
I would he would try to enter as the tide is rising, and leave as the tide is falling. Those things happen at all different times of day during a month. Hope it helps!!
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2 years ago
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