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3 years ago

In two or more complete sentences explain how to balance the chemical equation, Ca + N2 ⟶ Ca3 + N2 and include all steps.

1 answer:

6 0

The equation CH4 + O2 ? CO2 + H2O is not balanced because there are four hydrogen atoms in the reactant side of the equation and only two on the product side. for balancing this equation we add 2 withO2 in reactants and add 2 with H2O in products.

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3 years ago

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Draw the structure of the bromohydrin formed when (Z)-3-hexene reacts with Br2/H2O. Use the wedge/hash bond tools to indicate st

Ipatiy [6.2K]

Answer:

(3R,4R)-4-bromohexan-3-ol

Explanation:

In this case, we have reaction called halohydrin formation. This is a markovnikov reaction with anti configuration. Therefore the halogen in this case "Br" and the "OH" must have different configurations. Additionally, in this molecule both carbons have the same substitution, so the "OH" can go in any carbon.

Finally, in the product we will have chiral carbons, so we have to find the absolute configuration for each carbon. On carbon 3 we will have an "R" configuration on carbon 4 we will have also an "R" configuration. (See figure 1)

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3 years ago

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Northern atlantic and northern pacific oceans

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what is the molarity of a solution that contains 10.0 grams of silver nitrate that has been dissolved in 750 mL of water?

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Answer:

C = (m / M) / (V / 1000) = (10 / 170) / (750 / 1000) = 0.078 M

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3 years ago

Who were the scientists who won the nobel prize for the atomic model?

AleksAgata [21]

Answer:

Here's what I find.

Explanation:

Many scientists contributed to our model of the atom.

Among those who received the Nobel Prize for their work are:

1906 — J.J. Thomson — discovery of the electron

1908 — Ernest Rutherford — nuclear model of the atom

1922 — Niels Bohr — planetary model of the atom

1922 — Albert Einstein — quantum mechanical model of the atom

1935 — James Chadwick — discovery of the neutron

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