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Grace [21]
3 years ago
7

What is the smallest division on 4 balance

Chemistry
2 answers:
tankabanditka [31]3 years ago
4 0

Answer:0.1g

Explanation:

Anastaziya [24]3 years ago
4 0

Answer: The smallest scale division is a tenth of a centimeter or 1 mm.

Explanation: I got this from a website but I hope it helps!

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7. (04wP2-5)Elements with atomic number 21 to 30 are d-block elements.
Katyanochek1 [597]

Answer :

  • (a) zn

Explanation:

  • (b) a ligand is an ion or molecule that binds to the central metal atom to form a cordinate complex.
  • (c)
<h3> above</h3>

3 0
3 years ago
How much positive charge is in 0.7 kg of lithium? with each atom having 3 protons and 3 electrons. The elemental charge is 1.602
hichkok12 [17]

Explanation:

As a neutral lithium atom contains 3 protons and its elemental charge is given as 1.602 \times 10^{-19} C. Hence, we will calculate its number of moles as follows.

          Moles = \frac{mass}{\text{molar mass}}

                     = \frac{0.7 \times 1000 g}{7 g/mol}

                     = 100 mol

According to mole concept, there are 6.023 \times 10^{23} atoms present in 1 mole. So, in 100 mol we will calculate the number of atoms as follows.

        No. of atoms = 100 \times 6.023 \times 10^{23}

                               = 6.023 \times 10^{25} atoms

Since, it is given that charge on 1 atom is as follows.

                     3 \times 1.602 \times 10^{-19}C

                    = 4.806 \times 10^{-19}C

Therefore, charge present on 6.023 \times 10^{25} atoms will be calculated as follows.

    6.023 \times 10^{25} atoms \times 4.806 \times 10^{-19} C

            28.95 \times 10^{6}C

Thus, we can conclude that a positive charge of 28.95 \times 10^{6}C is in 0.7 kg of lithium.

3 0
3 years ago
What volume is show in this picture?
Anarel [89]

Answer:

millileter????

8 0
3 years ago
What should the positive charge be on the<br> Fe ion to balance out the -3 charge from<br> the CI?
Dmitry [639]
Fe needs to have a positive charge of +3 to balance out -3 Cl
3 0
3 years ago
When wood burns, the mass of the ash is less than the mass of the original wood. Yet the law of conservation of matter says that
satela [25.4K]

Explanation:

According to the law of the conservation of mass, 'mass is conserved in a chemical reaction. The mass cannot be created nor be destroyed in a chemical process'.

This law holds true for the burning of wood also. Although the wood burns to produce ash which weighs less than wood but also, it produces some soot and other gases and the sum of the masses of all these is equal to the sum of the masses of wood and oxygen that reacted with it.

7 0
3 years ago
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