A neutral atom with the electron configuration 2-7 would most likely form a bond with an atom having the configuration
1 answer:
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Answer:
The expression to calculate the mass of the reactant is
Explanation:
<em>The amount of heat released is equal to the amount of heat released per gram of reactant times the mass of the reactant.</em> To keep to coherence between units we need to transform 1,080 J to kJ. We do so with proportions:
Then,
Answer:
The answer is
<h2>2.71 g/cm³</h2>Explanation:
The density of a substance can be found by using the formula
From the question
volume of marble = 1564 cm³
1 kg = 1000 g
4.24 kg = 4240 g
mass = 4240 g
The density is
We have the final answer as
<h3>2.71 g/cm³</h3>Hope this helps you