2 years ago

Will mark as Brainliest.

Chemistry

1 answer:

viktelen [127]2 years ago

8 0

B) Bohr's Atomic Model

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The Law of Conservation of Matter states that in a chemical reaction matter cannot be ___ or ____

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Answer:

The law of conservation of matter states that in a chemical reaction matter cannot be created or destroyed

Explanation:

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There are 8.6 x 1025 atoms in a block of Tin (Sn). How many moles is the block of Tin?

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Separate this redox reaction into its balanced component half-reactions. What is the oxidation and reduction half reactions

erma4kov [3.2K]

Separate this redox reaction into its component half-reactions.
Cl2 + 2Na ----> 2NaCl

reduction: Cl2 + 2 e- ----> 2Cl-1
oxidation: 2Na ----> 2Na+ & 2 e-

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giving us
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2 years ago

Read 2 more answers

How many grams are in 1.946 moles of nacl

Ilia_Sergeevich [38]

Answer:

113.8g

Explanation:

Statement of problem: mass of 1.946mole of NaCl

Given parameters:

Number of moles of NaCl = 1.946mole

Unknown: mass of NaCl

Solution

To find the mass of NaCl, we apply the concept of moles which expresses the relationship between number of moles and mass according to the equation below:

Number of moles = $\frac{mass}{molar mass}$

To find the molar mass of NaCl:

the atomic mass of Na = 23g

atomic mass of Cl = 35.5g

Molar mass of NaCl = (23 + 35.5) = 58.5gmol⁻¹

Mass of NaCl = Number of moles x molar mass of NaCl

Mass of NaCl = 1.946 x 58.5 = 113.8g

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2 years ago