A greenhouse gas is one that leads to global warming, by the absorption of infra-red radiation re-emitted by the ground. Common greenhouse gases include carbon dioxide and methane. Surprisingly, water vapour (which contains only oxygen and hydrogen) is also a greenhouse gas and can contribute to global warming.
It would be <span>C21H22N2O2</span>
Answer:
Explanation:
Antacids reduce the amount of stomach acid, relieving your heartburn. These medications can also be used to soothe stomach upset, indigestion and other pains in your stomach. Some antacids contain simethicone, which reduces gas. Antacids that you can get without a prescription include:
Answer:
the number of orange candies divided by total number of candies
the mass of orange candies divided by total mass of candies
Explanation:
<em>The two correct options that are appropriate to describe the concentration of orange candies would be </em><em>the number of orange candies divided by total number of candies </em><em>and </em><em>the mass of orange candies divided by total mass of candies.</em>
<u>The concentration of a substance can be described as the fraction of that substance in a particular mix of substances.</u>
In term of number, the concentration of a substance in a mix of substances can be expressed as the number of that substance divided by the total number of substances in the mix.
In term of mass, the concentration of a substance in a mix of substances can be expressed as the mass of that substance divided by the total mass of the mix.