Explanation:
Fe2o3+ 3co ---------. 2fe + 3co2
<span>10% of the 25% of people that prefer to swim on weekends are female.
Multiply 10% and 25% to get 0.025
</span><span> 55% of the 75% are females who prefer to swim on the weekdays.
Multiply them together getting 0.4125
</span>
<span>Divide 0.25 by 0.10= 0.40</span>
Yes, you add water to Campbell's Chicken Noodle Condensed Soup because "condensed" soup is more concentrated and has less water in it. Adding water will dilute the soup mixture to the desired consistency.
This question is purely balancing the chemical equation where the number of atoms in reactants is equal to the number of atoms in products.
For the mentioned equation:
In the reactants, we have 2 atoms of Hg and 2 atoms of oxygen.
In the products, we should have 2 atoms of Hg and 2 atoms of oxygen.
Since the oxygen molecule is composed of 2 oxygen atoms, therefore the coefficient should be equal to 1 for the equation to be balanced.
Electrolytes are substances that produce ions when they dissolve in water.
What are electrolytes?
When some substances are dissolved in water, they undergo physical or chemical changes, creating ions in solution. These substances form an important class of compounds called electrolytes. Substances that do not release ions when dissolved are called non-electrolytes. A substance is said to be a strong electrolyte if the physical or chemical process that produces ions is inherently 100% efficient (all dissolved compounds produce ions). A solute is said to be a weak electrolyte if only a relatively small portion of the solute undergoes ion production processes.
By measuring the electrical conductivity of aqueous solutions containing substances, substances can be identified as strong, weak, or non-electrolyte. To conduct electricity, a substance must contain free-moving charged species. The best known is the conduction of electricity through metal wires. In this case, the mobile charged unit is the electron.
Therefore, Electrolytes are substances that produce ions when they dissolve in water.
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