A sample of compound X (a clear, colorless, combustible liquid with a noticeable odor) is analyzed and found to contain 14.13 g carbon and 2.96 g hydrogen. A sample of compound Y (a clear, colorless, combustible liquid with a noticeable odor that is slightly different from X’s odor) is analyzed and found to contain 19.91 g carbon and 3.34 g hydrogen. Are these data an example of the law of definite proportions, the law of multiple proportions, or neither? What do these data tell you about substances X and Y?

Q: Which of the following are elements, which aremolecules but not compounds, which are compoundsbut…

A:

Q: What is the name of the element that is in group 5A and period 3? What is the name of the element…

A: A question based on periodicity properties that is to be accomplished.

Q: If you wanted to make an accurate scale model of the hydrogen atom and decided that the nucleus…

A: Answer :

Q: In the table below, there are descriptions of an experiment on samples of three different chemical…

A: Given that : We have to identify whether the elements are metal or non-metal form the given…

Q: Which if the following ionic compounds would contain the most total number of elements? (For…

A: Explanation to the correct answer is given below

Q: Consider a 100.0g samples of two different compounds consisting of only caron and oxygen.One…

A: Mass of both the compounds = 100 g

Q: 1.Choose the element symbol pair which is correctly matched: A.Cobalt Co B.Carbon Ca C.Chlorine Ch…

A: cobalt is correctly matched with Co and carbon is represented by c       chlorine by Cl      calcium…

Q: Two samples of carbon tetrachloride are decomposed into their constituent elements. One sample…

A: Given: Two samples of carbon tetrachloride are decomposed. One sample produces 38.9 g of carbon and…

Q: Consider 100.0 g samples of two different compounds consisting only of chromium and oxygen. One…

A:

Q: Figure 3. Diatomic molecules of the element chlorine, Cl2. This Figure 4. Molecules of the compound…

A: ⇒All atoms are made up of tiny particles ie,protons,neutrons and electrons⇒A n element is a pure…

Q: Two samples of carbon monoxide are decomposed into their constituent elements. One sample of liquid…

A:

Q: Consider 100.0-g samples of two different compounds consisting only of carbon and oxygen. One…

A: According to the law of multiple proportions when two elements react together to form more than one…

Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: The law of constant composition or law of definite proportions or law of definite composition states…

Q: 8 S and S8

A:

Q: Samples of compound X, Y, and Z are analyzed, with results shown below. Compound X Description…

A: Law of multiple proportions: It states that when two elements combine with each other to form more…

Q: In an experiment it was found that the total charge on an oil drop was 5.93 3 10218 C. How many…

A: Millikan estimated an electron's charge. All of the drops had charges that were multiples of 1.6 x…

Q: Which statement best describes the relationshipbetween the two samples?A. The compound in Sample I…

A: Two different samples are give. The % of each element is found. As per law of definite proportions,…

Q: Two samples of carbon tetrachloride are decomposed into their constituent elements. One sample…

A: The ratio of weights in the first sample is 448/ 38.9 = 11.5: 1. The no of moles of carbon and…

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm.   Part A: What is the…

A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Which of the following diagrams illustrates the law of multiple proportions?

A: According to the law of multiple proportions, if two elements combine to form two or more compounds,…

Q: A metal x forms two different chlorides if 12.7g of chloride A and 16.3g of chloride B . contain…

A: To find: A metal x forms two different chlorides if 12.7g of chloride A and 16.3g of chloride B…

Q: mples of compound X, Y, and Z are analyzed, with results shown below. Mass of Hydrogen 0.148 g 0.329…

A: Law of Definite Proportion states that every Chemical Compound contains fixed and constant…

Q: Samples of compound X, Y, and Z are analyzed, with results shown here. Do these data provide…

A: Law of definite proportion: In any chemical compound the component elements are in fixed ratio by…

Q: 1.) The measured mass of a sample would have which of the following units? A) g/cm B) g/mol C) g/cm3…

A: Four questions of MCQ type which are to answered.

Q: The atomic mass of chlorine on a three-decimal-place periodic table is 35.453 u. Cl has two natural…

A:

Q: Water and sodium chloride are both considered substances as well as compounds, but water exists as…

A: In this question, we have to give the reason why water and sodium chloride are both considered…

Q: Which answer is an example of the law of multiple proportions? Explain.a. Two different samples of…

A: Law of multiple proportions states that when two elements combine with each other to form more than…

Q: Two samples of sodium chloride are decomposed into their constituent elements. One sample produces…

A: Given: Two samples of sodium chloride. One sample gives 6.98 g of sodium and 10.7 g of chlorine.…

Q: Bromine is used to prepare the pesticide methyl bromide andflame retardants for plastic electronic…

A:

Q: Which of these statements is a consequence (follows from) the Law of Definite Proportions? O All…

A:

Q: Compounds are composed two or more elements chemically combined while mixture are composed of…

A: A question based on introduction to chemistry that is to be accomplished.

Q: 4. A bottle of Gatorade has a volume of 516 mL. What is this volume in quarts(qt)? (1 qt = 0.946 L )…

A: 4), Given. 0.946 L=1 qt We can say that, 946 mL=1 qt 1 mL=1946qt So, 516 mL=1946×516qt…

Q: Which statement is FALSE? O Pure water (H20) is always composed of 2 hydrogen atoms to 1 oxygen atom…

A:

Q: 4. The following data were collected for several compounds of nitrogen and oxygen: Compound Mass of…

A: Compound Mass of Oxygen reacts  with 1 g of nitrogen W 0.5711 g X 1.142 g Y 2.284 g…

Q: Explain the laws listed below and give examples of how these laws are used in Chemistry. Law of…

A: Law of conservation of mass tells us that mass is conserved during a reaction. Mass can neither be…

Q: True or false is an atom is the smallest building block of matter

A: False

Q: Which of John Dalton’s theories given below were found to be INCORRECT? 1. the atoms of elements…

A: Dalton's atomic theory was the first theory to describe all matter in terms of atoms and their…

Q: Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur…

A: Law of multiple proportions states that on the combination of two elements, the masses of one of the…

Q: n a series of oil-drop experiments, the charges measured on the oil drops were -3.20*10-19 C,…

A: Given, Charge on drop 1 = -3.20*10-19 C, - Charge on drop 2 = 16.40*10-19 C Charge on drop 3 =…

Q: Defend or refute the statement • The separation of a mixture may result in the production of an…

A: Mixture is a composition where two or more different components are mixed . The process of parting…

Q: A 12.29 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…

A: The law of definite proportion states that a given chemical compound always contains its component…

Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12…

A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons…

Q: An element has the following natural abundances and isotopic masses: 78.99% abundance with 23.985…

A:

Q: IV. Tell whether if the following is an example of homogeneous mixture or heterogeneous mixture.…

A: Homogeneous and heterogeneous mixture If you can see more than one phase of matter or different…

Q: polyatomic ions?

A:

Q: Fill in the blank using the following words: atom, atomic number, electron, proton, neutron, metal,…

A:

Q: In the periodic table, calcium, element 20, is surrounded by elements 12 magnesium , 19 potassium,…

A: The most resemple element of calcium atom is magnesium and Strontium.

Q: Which element is represented by the following symbol A. Chromium B. germanium C. barium D. iron

A: The given symbol of element is                       5624X  Here,  Mass number of element = 56…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.