Table of Contents
- 1 Can two elements form more than one compound?
- 2 What is an example of the law of multiple proportions?
- 3 What happens when two elements combine to form a compound?
- 4 What is the significance of the law of multiple proportions?
- 5 What happens when you combine elements?
- 6 Can a disease have more than one sufficient cause?
Can two elements form more than one compound?
Law of multiple proportions, statement that when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.
What is the result of a compound?
A compound is a unique substance that forms when two or more elements combine chemically. Compounds form as a result of chemical reactions. The elements in compounds are held together by chemical bonds. A chemical bond is a force of attraction between atoms or ions that share or transfer valence electrons.
What is an example of the law of multiple proportions?
Every sample of carbon monoxide contains 16.0 g of oxygen for every 12.0 g of carbon. This is a mass ratio of oxygen to carbon of 1.33 to 1. In the carbon dioxide, there is exactly twice as much oxygen present as there is in the carbon monoxide. Carbon can form two different compounds with oxygen.
What is multiple proportions explain with an example?
Law of Multiple proportion states that when two elements combine to form more than one compound, the mass of one element, which combines with a fixed mass of the other element, will always be ratios of whole numbers. For example, let us assume 2 molecules CO (carbon monoxide) and CO2(carbon dioxide).
What happens when two elements combine to form a compound?
When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl).
What type of compounds are compared in the law of multiple proportions?
Law of multiple proportions is concerned with the compounds that are formed from the same elements, as different masses of one element combines with the same relative mass of the other element to form two different compounds.
What is the significance of the law of multiple proportions?
The law of multiple proportions says that when elements form compounds, the proportions of the elements in those chemical compounds can be expressed in small whole number ratios.
What compounds illustrate the law of multiple proportions?
There are compounds made up of the same elements, like carbon monoxide (CO) and carbon dioxide (CO2). Both compounds are made of carbon (C) atoms and oxygen (O) atoms; however, the ratios of carbon and oxygen in each compound is different. This illustrates the law of multiple proportions.
What happens when you combine elements?
When two or more elements combine to form a new substance, it is called a compound. There are many different types of compounds, because atoms of elements combine in many different ways to form different compounds. A compound is made when atoms of two or more elements bond in a chemical reaction.
How does compounding affect present value and future value?
Compounding affects both present value and future value. In Table 2 we see that on December 31, 2018, Account #4—the account that is compounded monthly —has the highest future value: $12,697.35. When interest is deposited monthly, the account earns “interest on interest” more often.
Can a disease have more than one sufficient cause?
A disease may have more than one sufficient cause, with each sufficient cause being composed of several component causes that may or may not overlap. A component that appears in every pie or pathway is called a necessary cause, because without it, disease does not occur.
Which is the reciprocal concept of present value?
But, many decisions and accounting measurements will be based on a reciprocal concept known as present value. Present value (also known as discounting) determines the current worth of cash to be received in the future.