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Alex73 [517]
3 years ago
13

Bromine is is reddish-brown liquid that boils at 59 degrees. bromine is highly reactive with many metals, for example, it reacts

with sodium to form a white solid. classify each of these properties of bromine as either a physical or a chemical property
Chemistry
1 answer:
katrin2010 [14]3 years ago
4 0
A physical property of an element is a property of an element that can observed or measured without changing the chemical nature of the element.

A chemical property of an element is a property of an element that can only be observed or measure when the chemical property of the element is altered or changed.

Based on this;
The boiling point of bromine is a physical property of bromine.
The high reactivity of bromine with many elements is a chemical property of bromine.
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Identify the arrows that show removal of thermal energy when matter changes state.
BARSIC [14]
When matter loses heat, one of the following happens:
Liquid changes to solid (freezing), or
Gas changes to liquid (condensation), or
Gas changes to solid (deposition)

1- Freezing: when the temperature of a liquid matter drops below its freezing point, the liquid usually solidifies forming crystals. Example of this is when water changes to ice
2- Condensation: when the temperature of gas is reduced, the molecules slow down and come together changing the matter into liquid. Example of this is when water vapor condenses into water droplets.
3- Deposition: Sometimes when the temperature of a gas drops, it solidifies directly without passing through the liquid phase. An example of this is when water vapor changes directly to ice in sub-freezing areas without passing through the liquid phase. This is the process through which clouds are formed.
The diagram below shows these three changes in matter. 

6 0
3 years ago
What does the Coriolis effect describe
zzz [600]

Answer:

The Coriolis effect describes the pattern of deflection taken by objects not firmly connected to the ground as they travel long distances around Earth. ... The key to the Coriolis effect lies in Earth's rotation. Specifically, Earth rotates faster at the Equator than it does at the poles

Explanation:

Hope it helps

6 0
3 years ago
Why do we use scientific notation or scientific exponential numbers in math calculations?
seraphim [82]
I believe the answer is: in order not to write very big or very small number values
6 0
3 years ago
A student prepares 150.0 mL of 1.40 M HCl using 35.0 mL of a stock solution. What is the concentration of the stock solution? Us
drek231 [11]

Answer:6.0M

Explanation:see attached photo

3 0
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The ___ blends into outer space.
Paraphin [41]

Answer:

Exosphere

Explanation:

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