Answer:
The answer is letter a, Deductive Reasoning.
Explanation:
Reasoning- this is the act of thinking about something in a logical and sensible way. There are many types of reasoning but we'll focus on <em>deductive reasoning. </em>
Premise- a statement in an argument that provides reason or support for the conclusion.
Conclusion- a judgment or decision reached by reasoning.
Deductive Reasoning- this is also known as <em>"deductive logic." </em>This is the process of reasoning from one or more statements in order to reach a conclusion. It moves from generalized principles that are known to be true to a true and specific conclusion.
In the example above, the generalized principle is "All prokaryotes lack a well-defined nucleus." The premise is "The newly discovered cell has no well-defined nucleus." The conclusion is " Therefore, the newly discovered cell is a prokaryote."
Thus, the example above follows the deductive reasoning pattern.
Answer:
See explanation
Explanation:
Hydrogen has only one valence electron. Sometimes, hydrogen is included as part of group 1 or 17 in the periodic table. Is this correct? Well, the answer to this question is not so straight forward!
Let us remember that hydrogen forms a univalent positive ion H^+ just like the group 1 elements, but it also forms a univalent negative ion H^- just like group 17 elements. Also, hydrogen is a gas and forms a molecular diatomic compound just like group 17 elements. This is not the case with other group 1 elements. We can see that hydrogen is chemically and physically dissimilar to other group 1 elements hence one can logically argue against its inclusion in group 1. Also, it is not a halogen, so we can also argue against its inclusion in group 17.
However, it is convenient to include hydrogen in the main groups 1 or 17 when discussing its chemical properties in order to make it easier to assimilate. If we place hydrogen in group 1, we can understand that it forms univalent positive ions. Similarly, if we place it in group 17, we understand that it forms univalent negative ions.
Most times hydrogen is just written separately at the top right corner of the periodic table and not as a member of any group because of the issues outlined above.
Answer:
Empirical formula of 81.8 carbon and 18.2 hydrogen
Steps
- Find the empirical formula of a compound that has 81.8% of Carbon (C), 18.2% of Hydrogen (H).
- Divide by fractional component of each mole value: C=1.5354936431103, H=4.0709872862205Round to closest whole numbers: C=2, H=4
<h3> Combine to get the empirical formula: C2H4</h3>
Molecular weight of oxygen is 15.998g therefor 1.5(2*15.998)=47.994g