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larisa [96]
3 years ago
5

Is density a chemical or physical property of a substance?

Chemistry
1 answer:
pychu [463]3 years ago
8 0

Answer:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

I hope this helps you understand! <3

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If there were only three electron groups around an atom, how would they be arranged?
Blizzard [7]
<span>There would be two electrons in the 1s orbital one oriented up and one oriented down. The other electron would be in the 1p orbital up or down. Remember that 1s can only hold 2 electrons at a time, and when it is filled there one electron is spinning up and the other is spinning down. After 1s, comes the 1p orbital which can hold 6 electrons. Until 3 electrons are spinning either up or down, the next one will have the next orientation.</span>
8 0
4 years ago
In a bar graph, how does the x axis differ from the y axis?
neonofarm [45]

Answer:

Bar graphs have an x-axis and a y-axis like most bar graphs, like the one above, the x-axis runs horizontally (flat).

Sometimes bar graphs are made so that the bars are sidewise like in the graph below. Then the x-axis has numbers representing different time periods or names of things being compared.

have a good day and be safe

-Hops

4 0
3 years ago
Read 2 more answers
Formula of <br> Al³⁺ and SO₄²⁻
Sergio039 [100]

Answer:

The formula of Al³⁺ and SO₄²⁻ is aluminum sulfate.

Explanation:

The formula for aluminum sulfate is Al₂(SO₄)₃. If we say in terms of ions. The ions are Al³⁺. It is a positive ion or the cation. Other ion is SO₄²⁻. It is sulfate ion. It is anion.

Aluminum sulphate is used in water purification and as a mordant in dyeing and printing textiles.

Hence, the formula of Al³⁺ and SO₄²⁻ is aluminum sulfate.

3 0
3 years ago
A______ is scientific knowledge established through direct observation and remains constant. Scientific knowledge can change whe
Firdavs [7]

Answer:hypothesis and conduct experiment

Explanation:

4 0
3 years ago
A cyclist covers a distance of 200 kilometers in 2 hours calculate his speed
Mnenie [13.5K]

Answer:

<h2>100 km/hr</h2>

Explanation:

The speed of the cyclist can be found by using the formula

s =  \frac{d}{t}  \\

d is the distance

t is the time taken

From the question we have

s =  \frac{200}{2}  = 100 \\

We have the final answer as

<h3>100 km/hr</h3>

Hope this helps you

4 0
3 years ago
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