Answer:
.87
Explanation:
(Density is mass divided by Volume)
D
=
M
V
D
=
43.5g
50ml
=
.87
The reason why iron oxide has more mass than the iron is because Iron oxide has oxygen atoms, and pure iron does not.
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this
observation?
(A)Iron oxide has oxygen atoms, and pure iron does not.
(B)The oxygen atoms in iron oxide have more mass than the iron atoms in pure iron.
(C)The iron atoms in iron oxide have more mass than pure iron.
(D)There are more iron atoms in iron oxide than in pure iron.
When a chemical reaction takes place, other atoms are combined with pure elements to form compounds. This addition of another atom (oxygen) after reaction makes iron oxide formed heavier than pure iron.
Iron oxide is a chemical substance formed when pure iron rusts. The formation of iron oxide is a chemical reaction.
Hence, the correct answer to the question is; the iron is heavier because Iron oxide has oxygen atoms, and pure iron does not.
Learn more: brainly.com/question/6284546
There are four major types of probability and they include:
- classical,
- empirical,
- subjective
- axiomatic
<h3>What is Probability?</h3>
This refers to the mathematical depictions of the possibility of an event occurring based on given variables.
Please note that your question is incomplete so I gave you a general overview of a probability distribution.
Read more about probability distribution here:
brainly.com/question/24756209
According to the context, the correct sentence with the irregular verb in the imperfect tense is <em>¿</em><em>veías</em><em> a tu padrastro todos los días?.</em>
<h3>What is the imperfect tense?</h3>
It refers to actions with a certain duration in the past or that were carried out simultaneously with other actions.
As with other verb tenses, there are rules for conjugating verbs in the imperfect tense in Spanish, where the ending of the verb will change depending on the subject of the sentence and the original ending in the infinitive.
However, the verb ''ver'' has an irregular verb conjugation and is pronominal, so it will not follow the regular verb conjugation rules.
Therefore, we can conclude that according to the context, the correct sentence with the irregular verb in the imperfect tense is <em>¿</em><em>veías</em><em> a tu padrastro todos los días?.</em>
Learn more about the imperfect tense here: brainly.com/question/12112915