The mole ratio between O2and H2O is 1:2. For every 1 mole of O2used, 2 moles of H2O are formed. The mole ratio between H2and H2O is 1:1. For every 2 moles of H2used, 2 moles of H2O are formed. If 4 moles of hydrogen were used, then 4 moles ofwaterwould be produced. Unbal...
One mole is exactly 6.02214076×1023particles. The "particles" could be something small, like electrons or atoms, or something large, like elephants or stars. What Is a Mole? Like all units, a mole has to be defined or based on something reproducible. The present definition of the mole is...
is the process of digestion. genetics genetics is a branch of biochemistry that deals with the study of genes, their variations and the heredity characteristics in living organisms. the other branches include animal and plant biochemistry, biotechnology, molecular chemistry, genetic engineering, ...
mixtures mixtures in chemistry, a mixture is a compound made up of two or more chemical components that are not chemically linked. a mixture is a physical blend of two or more substances that preserve their identities and are blended in the form of solutions, suspensions, or colloids. table ...
When you have an odd number of observations, the formula for finding the median is simple. It's just the middle value when the data is sorted in ascending order. Alternatively, you can use this formula. (n+12)thobservation(n+12)thobservation Example 1: Consider the test scores of 99 ...
Hence, 1 mole of Sodium weighs 23 grams.We know,Since the atomic mass of Sodium is 23, we can also write it as 23 g/mol.Therefore, we conclude that Option B is the correct answer.Additional Information:The atomic number of a chemical element is the n...
IUPAC definition of pH The pH scale used by International Union of Pure and Applied Chemistry (IUPAC) is slightly different. It is based on electrochemical measurements of a standard buffer solution as shown below; pH = -log aH+ aH+ shows the activity of hydrogen (effective concentration of ...
So how much is a mole? When we're talking about atoms, a mole is the relative atomic mass in grams. So a mole of carbon is 12g, because carbon's relative atomic mass is 12, and it contains 620 billion trillion atoms. A mole of aluminum is 27g, because aluminum's relative atomic ...
The hallmark reactant of a combustion reaction is oxygen gas. In the combustion reactions represented by the equations below, oxygen gas undergoes...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
But generally unit is not mentioned in pH as if we say this soil solution have 5 pH, it means this is 10 times more acidic than pH 6 and 10 times more basic than pH 4... We don't use any of the unit while expressing pH ...but unit is mole per liter ...