QUESTION 1 Match the paraphrased law with its author. If you look at any sample
ID: 1023133 • Letter: Q
Question
QUESTION 1
Match the paraphrased law with its author.
If you look at any sample of a compound, like CO2, the ratio of the mass of C to the mass of O is always the same.
If you can make a couple different compounds from two elements, you can always calculate an integer number by taking the ratio of the masses of that element in the two compounds, so long as the mass of the other element in each compound is 1 g.
If you change a collection of compounds into a collection of different compounds, the total mass is the same before and after the change.
Lavoisier
Proust
Dalton
2 points
QUESTION 2
When forming a conversion factor, the given unit should appear
in the information sought
in the denominator of the fraction
in the numerator of the fraction
in the final answer
2 points
QUESTION 3
Which of the following conceptual plans are valid in converting grams to liters, if you are provided a density in g / cm3? (Mark all that apply.)
g --> L --> cm3 --> mL
g --> kg --> km --> km3 --> L
L --> mL --> cm3 --> g
g --> cm3 --> mL --> L
g --> cm3 --> dm3 --> L
g --> cm --> cm3 --> mL --> L
4 points
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
- A. B. C.If you look at any sample of a compound, like CO2, the ratio of the mass of C to the mass of O is always the same.
- A. B. C.If you can make a couple different compounds from two elements, you can always calculate an integer number by taking the ratio of the masses of that element in the two compounds, so long as the mass of the other element in each compound is 1 g.
- A. B. C.If you change a collection of compounds into a collection of different compounds, the total mass is the same before and after the change.
A.Lavoisier
B.Proust
C.Dalton
Explanation / Answer
Answer -1 ) Matching of paraphrases with their author,
1) If you look at any sample of a compound, like CO2, the ratio of the mass of C to the mass of O is always the same.
It's according to the law of definite proportion stated by Joseph Proust.
Law of Definite Proportion,
Statement: "a given compound always contains exactly the same proportion of elements by weight "
2) If you can make a couple different compounds from two elements, you can always calculate an integer number by taking the ratio of the masses of that element in the two compounds, so long as the mass of the other element in each compound is 1 g.
It's according to the law of multiple proportion stated by John Dalton.
Law of Multiple proportion,
Statement : "if two elements can combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element, are in the ratio of small whole numbers "
3) If you change a collection of compounds into a collection of different compounds, the total mass is the same before and after the change.
This is according to Law of conservation of mass stated by Antoine Lavoiser.
Statement of Law of conservation of mass,
Statment: " matter can neither be created nor destroyed "
Hence matches are as,
Paraphrase A - Proust
Paraphrase B- Dalton
Paraphrase C - Lavoiser
============XXXXXXXXXXXX===============
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.