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laiz [17]
3 years ago
15

Metals react by losing valence electrons. Which of the alkali metals loses its valence electrons most easily? Explain.

Chemistry
1 answer:
vodka [1.7K]3 years ago
3 0

Answer:

lol you have an aot profile pic

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b. turns blue litmus paper to red.
c. releases hydroxyl ions in solution.
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<span>An acid </span>turns blue litmus paper to red. The answer is letter B.
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Who are the scientists that contributed in arranging of the periodic table?
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Draw the Lewis structure, including unshared pairs, of the following molecules. Carbon has four bonds in the compound.
Galina-37 [17]

Explanation:

Refer to attachment.

  1. Propane
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6 0
3 years ago
Aqueous hydrochloric acid reacts with solid sodium hydroxide to produce aqueous sodium chloride and liquid water . If of water i
Kaylis [27]

Answer:

87.9%

Explanation:

Balanced Chemical Equation:

HCl + NaOH = NaCl + H2O

We are Given:

Mass of H2O = 9.17 g

Mass of HCl = 21.1 g

Mass of NaOH = 43.6 g

First, calculate the moles of both HCl and NaOH:

Moles of HCl: 21.1 g of HCl x 1 mole of HCl/36.46 g of HCl = 0.579 moles

Moles of NaOH: 43.6 g of NaOH x 1 mole of NaOH/40.00 g of NaOH = 1.09 moles

Here you calculate the mole of H2O from the moles of both HCl and NaOH using the balanced chemical equation:

Moles of H2O from the moles of HCl: 0.579 moles of HCl x 1 mole of H2O/1 mole of HCl = 0.579 moles

Moles of H2O from the moles of NaOH: 1.09 moles of HCl x 1 mole of H2O/1 mole of NaOH = 1.09 moles

From the calculations above, we can see that the limiting reagent is HCl because it produced the lower amount of moles of H2O. Therefore, we use 0.579 moles and NOT 1.09 moles to calculate the mass of H2O:

Mass of H2O: 0.579 moles of H2O x 18.02 g of H2O/1 mole of H2O = 10.43 g

% yield of H2O = actual yield/theoretical yield x 100= 9.17 g/10.43 g x 100 = 87.9%

3 0
3 years ago
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