Helium. If you're talking about waves in the air.
The answer is: emitted gas is carbon dioxide (CO₂).
Neutralization is is reaction in which an acid (in this example vinegar or acetic acid CH₃COOH) and a base (in this example soda)
Balanced chemical reaction of vinegar and antacid:
CH₃COOH(aq) + NaHCO₃(aq) → CH₃COONa(aq) + H₂O(l) + CO₂(g).
Sodium acetate (CH₃COONa) is a salt.
Sodium bicarbonate (NaHCO₃) is an antacid. Sodium bicarbonate is the active ingredient in baking soda.
1 C
2 A
3 D
4 F
5 E
6 B
These are the answers
Answer:
1.4 g H₂O
Explanation:
In a reaction, the reactants are usually not present in exact <em>stoichiometric amounts</em>, that is, <em>in the proportions indicated by the balanced equation</em>. Frequently a large excess of one reactant is supplied to ensure that the more expensive reactant is completely converted to the desired product. Consequently, some reactant will be left over at the end of the reaction. T<em>he reactant used up first in a reaction</em> is called the <em>limiting reagent</em>, because <u>the maximum amount of product formed depends on how much of this reactant was originally present</u>. When this reactant is used up, no more product can be formed.
Genetic diversity :
1. It is related to number of genes and their alleles found in organisms.
2. It is trait of the species.
3. It influences adaptability and distribution of a species in diverse habitats.
Example :
Humans have created distinct breeds of dogs within the species by selectively breeding individuals with traits that they want. The genetic variability within these breeds is decreased because their effective population size is limited by humans controlling their access to mates.
Species Diversity:
1. It is related to number and distribution of species found in an area.
2. It is trait of the community.
3. It influences biotic interactions and stability of the community.
Example :
the presence of four or five different species of tree in a woodland forest, or perhaps 100 different species of fish, crustaceans and coral in a certain reef.
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