Answer:
<u></u>
- <u><em>B) an error occurred, the mass of the reactants should equal the mass of the products. </em></u>
<u><em /></u>
Explanation:
The answer choices are:
- <em>A) no error occurred, some of the products are always lost as heat.</em>
<em />
- <em>B) an error occurred, the mass of the reactants should equal the mass of the products. </em>
<em />
- <em>C) an error occurred, the products should weigh more than the reactants. </em>
<em />
- <em>D) no error occurred, water is not weighed when determining the weight of the products.</em>
<h2>Solution</h2>
The basis to answer this question is the law of conservation of mass.
Any chemical reaction satisfies the law of conservation of mass: mass cannot be either created nor destroyed, so, always, <em>the mass of the reactants equal the mass of the products.</em>
Thus, since he measured the mass of his reactant materials to be 35g and he reported that his products weighed 32g, his data are in clear contradiction of the law of conservation of mass. So, there is an error in his results: <em>the mass of the reactants should equal the mass of the products. </em>
Answer: option D. CO2 and SO2
Explanation:
To calculate for the structure
of an element, you need to have a solid analyzer such as an x ray
diffractometer to determine the elements’ structure. It is hard to determine it
without any help of instrument because of its size.
One experimental property directly related to the strength of intermolecular forces is the boiling point of a substance.
In the liquid state, the intermolecular forces play a large role in the behavior of the substance. If the boiling point is low, this indicates weak forces such as Van der Waal's forces. On the other hand, a high boiling point indicates strong intermolecular forces such as hydrogen bonds.
Explanation: aeroflastic flutter
