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WITCHER [35]
3 years ago
14

True or False: The moon's gravity affects the oceans nearest the moon because the moon's gravity pulls water into a tidal bulge.

Chemistry
2 answers:
Mashcka [7]3 years ago
3 0

Answer: The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides

Explanation:

jolli1 [7]3 years ago
3 0

Answer:

True.

Explanation:

The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.

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Iron(III) oxide is formed when iron combines with oxygen in the air. How many grams of Fe2O3 are formed when 33.4 g of Fe reacts
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    The grams of  Fe₂O₃   that are formed is  47.68 g

<u><em>calculation</em></u>

Step 1: write   the equation for reaction

4 Fe +3O₂ → 2 Fe₂O₃

Step 2: find  the  moles  of Fe

moles = mass÷  molar mass

 = 33.4 g÷55.8 g/mol =0.5986 moles

Step 3 : use the mole ratio to determine the moles of Fe₂O₃

That is  from  equation above Fe:Fe₂O₃  is 4:2 therefore the moles of Fe₂O₃ is  =  0.5986 moles x 2/4 =0.2993 moles

Step 4 : find the mass  of Fe₂O₃

mass = mass x molar mass

The molar mass of Fe₂O₃  = (55.8 x 2 +(15.9 x3) = 159.3 g/mol

mass is therefore =  0.2993 moles x 159.3 g/mol =47.68 g

4 0
3 years ago
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If 0.33 moles of sulfuric acid were consumed in the reaction, how many
Dima020 [189]
Https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiome/stoichiometry-ideal/v/stoichiometry-example-problem-2 this should explain
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Oxid  # :     0          0                   +2        -1

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