Word equation - calcium + oxygen -> calcium oxide
Chemical equation - Ca + O2 -> CaO2
Hope this helps!
Answer:
Volume = 30cm³
Explanation:
A block is a geometrical figure and its volume, -look at the figure-, follows the equation:
Volume = Width*Length*Height
As the measurements of the block are 5.00cm, 3.00cm and 2.00cm, the volume is:
Volume = 5.00cm*2.00cm*3.00cm
<h3>Volume = 30cm³</h3>
Answer:
Explanation:
A substance that produces an excess of hydroxide ion (-OH) in aqueous solution.
This is an arrhenius Base
According to the arrhenius theory, a base is a substance that combines with water to produce excess hydroxide ions, OH⁻ in an aqeous solution. Examples are :
- Sodium hydroxide NaOH
- Potassium hydroxide KOH
A substance that produces an excess of hydrogen ion (H+) in aqueous solution
This is an arrhenius Acid
An arrhenius acid is a substance that reacts with water to produce excess hydrogen ions in aqueous solutions.
Examples are;
- Hydrochloric acid HCl
- Hydroiodic acid HI
- Hydrobromic acid HBr
In order to help the
student expand his/her knowledge I will help answer the question. This in hope
that the student will get a piece of knowledge that will help him/her through his/her homework or future tests. The ________ have a single electron in the highest
occupied energy level. The missing word to complete this statement and make it
true is Alkali Metals.
<span>
I hope it helps,
Regards.</span>
Answer:
Continental drift– the theory that the continents are moving very slowly.Fossil– the remains, traces, or imprint of an ancient living thing preserved in rock.Glacier– a large, slowly moving body of snow and ice.Ice age– a time when Earth was very cold and large areas were covered by glaciers.Landmass– a large, unbroken ...
Explanation:
