Answer to: How to calculate the volume of air in a breath? By signing up, you'll get thousands of step-by-step solutions to your homework...
This principle gives rise to the Law of Constant Composition, put forth by Joseph Proust in 1800: A given compound always has the same proportion by mass of its constituent elements. For instance, water always has exactly 8 grams of oxygen for every gram of hydrogen. Carbon dioxide always ha...
For this reason, when you calculate your mass on a scale designed for use on Earth, weight is already factored into the operation of the scale. Mass is not weight, but they are always directly proportional to each other by the value of g, whatever it may be. But what does this mean ...
Molarityis one of the most common units of concentration. It is used when the temperature of an experiment won't change. It's one of the easiest units to calculate. You get the mass of solute for the solution, mix the solute with a known volume of solvent, and divide mass by volume ...
To calculate the energy required to raise the temperature of a known mass of a substance, you use the specific heat formula: **Q = m × c ×ΔT** **Qis the energy transferred in joules,m** is the mass of the substances in kg,cis the specific heat capacity in J/kg degrees C, ...
I know how to calculate the amount of atoms if I am given the amount of grams of the element at hand. Here is an example: How many atoms are in 22 grams of sulfur? But in the question that I have been presented, the only information I have is the following: ...
How to Calculate Atomic Mass? The combined masses of protons and neutrons account for nearly all the mass of an atom, the atomic mass of a single atom may be computed by adding the total number of protons and neutrons of that isotope. An Isotope is an element that has the same number ...
How to Calculate the Stoichiometric Ratio. Stoichiometry is a type of math associated with chemistry. In stoichiometry, you perform calculations pertaining to moles (the basic unit of weight in chemistry), masses and percentages. A stoichiometric ratio s
What is the moles to atoms formula? How does one convert atoms to moles? Learn how to calculate the number of atoms in a sample from the relationship between moles and Avogadro's number. Explore our homework questions and answers library ...
Each element on the periodic table has an atomic mass -- an approximation of the mass of a single atom of that element. Because atoms are so small, a specific unit is used to measure the mass of small quantities of atoms. Very large quantities of atoms a