c. burning wood in a campfire
Explanation:
Wood burning in a campfire is an exothermic process.
An exothermic reaction is one in which heat is liberated to the surroundings. The heat content of the reactants is greater than that of the products.
Every burning process is an exothermic reaction.
An exothermic reaction liberates heat to the surrounding.
Other option given takes heat from the surrounding.
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Bulk property are those properties that does not depend on the amount of substance.
<h3>What is a bulk property?</h3>
The term bulk property can also be referred to as the intensive properties of a substance. These are those properties that does not depend on the amount of substance. This means that they are characteristic of the material.
The percent by mass refers to the percentage of an atom that is present in a compound. If we must be able to calculate the percentage by mass then we must know the mass of the sample and the masses of the elements found in the sample.
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Mole =
Mass of Radium Hydroxide = 987g
Molar Mass of
= ((226) + (2 * 16) + (2 * 1))
= 260 g / mol
∴ Moles of <span>
= </span>
= 3.796 mols
Answer:
21.2 moles.
Explanation:
Hello!
In this case, for the given chemical reaction, we can see there is a 1:4 mole ratio between tetraphosphorous decaoxide and phosphorous; therefore, the following proportional factor provides the requested moles of phodphorous:
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