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Talja [164]
2 years ago
15

HelapPPPpPPPPpThe three states of matter that may change during a physical change are O atoms, molecules, electrons O color, sha

pe, size O solid, liquid, gas​

Chemistry
1 answer:
crimeas [40]2 years ago
3 0

Answer:

Solid liquid and gas

Explanation:

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D: is the anwser that your looking for

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2 years ago
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What is the general structure for a chemical equation?
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<span>A </span>chemical formula<span> is a way of expressing information about the proportions of </span>atoms<span> that constitute a particular</span>chemical compound<span>, using a single line of </span>chemical element<span> symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and </span>plus<span> (+) and </span>minus<span> (−) signs. A chemical formula is not a </span>chemical name showing how the atoms are arranged. 
6 0
3 years ago
The [OH-] of a solution is 7.89 10^-12 M. What is the pH of the solution? it acidic or basic? *
kompoz [17]

Answer: pH = 2,897 , basic[H+][OH-] = 10^{-14} ==> [H+] = \frac{10^{-14}}{7,89*10^{-12} } =\frac{1}{789} \\pH= -lg([H+]) = 2,897 \\pH basic

Explanation:

6 0
3 years ago
describe the placement of the crucible lid on the crucible when heating the magnesium. Why is it important that this be done cor
Andreas93 [3]
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7 0
3 years ago
25)
Taya2010 [7]

Answer:

The correct answer is B) electronegativities of the bonded atoms in a molecule of the compound .

Explanation:

When two atoms forming a bond differ in their electronegativities at that time bond polarity is generated

        In simple words a bond will be polar when the bonding electrons are not equally shared by two atoms.As a result the atom attract the bonding electron pair towards itself gain partial negative charge and the other atom gains partial positive charge.

       For HCl is a polar compound because H and Cl atom differ in their electronegativities,as a result the bonding electron pair is not shared equally by H and Cl atoms.

8 0
2 years ago
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