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RSB [31]
3 years ago
14

A mixture is -

Chemistry
1 answer:
Studentka2010 [4]3 years ago
4 0
B. a physical combination of two or more different materials.
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Varvara68 [4.7K]

Answer:

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6 0
2 years ago
The amount of matter in a object is referred as:
mestny [16]
Volume is the thing
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4 0
3 years ago
1. Which sample contains a total of 9.0 * 10 ^ 23 atoms ? A) 0.50 mole of HCI B) 0.75 mole of H 2 O C) 1.5 moles of Cu D) 1.5 mo
Alchen [17]

c. 1.5 moles of Cu will contain a total of 9.0 * 10 ^ 23 atoms.

Explanation:

To convert moles into atoms,  the molar amount and number of atom is multiplied by Avagadro's number.

Avagadro's number is 6.022×10^{23}  

So applying the formula in the given sample:

A) 0.5×6.022×10^{23}

   3.01×10^{23} atoms.

B) 0.75 mole of H20

O.75×6.022×10^{23}

= 4.5166×10^{23}  atoms.

C) 1.5 moles of Cu

  1.5×6.022×10^{23}

  =  9.033×10^{23}

D). 1.5 moles of H2

1.5 × 2 × 6.022 × 10^{23}

= 18.066 × 10^{23} atoms   because H2 is 2 moles of hydrogen.

Atom is the smallest entity of matter having property of the element to which it is a part.

8 0
2 years ago
What distinguishes a fungi from a plant?
Stells [14]

no root type structures

7 0
3 years ago
Why is bromine more electronegative than iodine?​
gavmur [86]

Answer

Accordingly the order of electronegativity of the given elements would be: Fluorine > Chlorine > Bromine > Iodine. ( Fluorine has the highest electronegativity.)

8 0
3 years ago
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