3 years ago

Is mixing salt and pepper physical change or chemical change ?

1 answer:

6 0

Yes mixing salt with pepper change

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Step2247 [10]

V=abc

a = 2,3cm
b=12,2mm = 1,22cm
c = 0,75inch = 1,905cm

V = 2,3cm*1,22cm*1,905cm ≈ 5,35cm³

5 0

2 years ago

oksian1 [2.3K]

Answer:

Explanation:

it is the right answer

4 0

2 years ago

alexira [117]

Answer:

$Co_3(PO_4)_2$

Explanation:

Naming of the ionic compounds:-

The name of the cation is written first and the the name of the anion is written after the name of the cation separated by single space.
The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.
In case of transition metals, the oxidation state are written in roman numerals in bracket in front of positive ions.

Hence, given ionic compound:-

Cobalt(II) phosphate

So, Cobalt will have a positive charge of +2

Phosphate is $PO_4^{3-}$

So, the formula is :-

Co $PO_4^{3-}$

2 3

$Co_3(PO_4)_2$

5 0

3 years ago

hoa [83]

Light is helpful because it allows us to see things around us.
I hope this helps :)

3 0

2 years ago

anzhelika [568]

<h2>hope it helps!</h2>

correct me if I'm wrong

5 0

2 years ago