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ivanzaharov [21]
3 years ago
13

What is the current theory about the origin of the moon

Chemistry
1 answer:
Rufina [12.5K]3 years ago
7 0
B.......it is believed that moon was formed because a huge body struck earth to break it and form moon......it can be proved due to geological similarities between earth and moon.

HOPE IT HELPED !!
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How much heat is released as the temperature of 465 g of water drops from 75.0°C to 18.2°C?
Aleks [24]

The heat released : -110560.632 J

<h3>Further explanation</h3>

Heat can be calculated using the formula:  

Q = mc∆T  

Q = heat, J  

m = mass, g  

c = specific heat, joules / g ° C  

∆T = temperature difference, ° C / K  

<h3>Known</h3>

m =465 g

c water = 4.186 J/gram °C

∆T = temperature difference = 18.2 - 75 = - 56.8 °C

Then the heat :

\tt Q=m.c.\Delta T\\\\Q=465\times 4.186\times -56.8\\\\Q=\boxed{\bold{-110560.632~J}}\rightarrow -=exothermic

3 0
3 years ago
Density is the amount of mass per unit volume. True False
Dafna11 [192]

Answer:

True would be the correct answer

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B.

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What happens when you add vinegar to baking soda
Alex17521 [72]

Answer:

When baking soda is mixed with vinegar, something new is formed. The mixture quickly foams up with carbon dioxide gas. If enough vinegar is used, all of the baking soda can be made to react and disappear into the vinegar solution.

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Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution
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Limestone is easily weathered by acid rain. When rain mixes with gases such as sulfur dioxide and carbon dioxide in the atmosphere, acid rain is formed (sulfuric acid and carbonic acid respectively). When the rain precipitates and meets with limestone which is CaCO3, it is weathered a shown by the formulae; 2CaCO₃ (s) + H₂CO₃ → 2CaHCO3 (aq)

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3 years ago
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