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What hydroxide is in cement?
Calcium hydroxide is one of the key compounds found in cement. It forms during the hydration process of cement when water is added to the cement mixture, leading to the setting and hardening of the material.
How do you do a hypothesis for calcium oxide and water?
A hypothesis for the reaction between calcium oxide and water could be: When calcium oxide is mixed with water, it will undergo a chemical reaction to form calcium hydroxide, releasing heat in the process. This hypothesis can be tested by measuring the temperature change during the reaction and analyzing the resulting calcium hydroxide compound.
Would you describe the reaction of calcium in water as being exothermic or endothermic?
The reaction between calcium and water is very exothermic.
What is calcium hydroxide used for?
Calcium hydroxide many varied uses. It is used to make mortar or plaster, it is used by dentists during a root canal, and it can be used as a hair straightener just to name a few.
Why is the reaction of calcium hydroxide and sulfuric acid different from sodium hydroxide and sulfuric acid?
The reactions of sodium hydroxide and calcium hydroxide with sulfuric acid will produce sodium sulfate and calcium sulfate respectively (water will be another product in both reactions. Sodium sulfate is soluble in water and so will remain in solution. Calcium sulfate, however, is insoluble and will precipitate as a solid.
During the flocculation process what and calcium hydroxide are added to water to remove colloidal and suspended particles?
..Calcium Carbonate ===> Calcium Oxide(s) + Carbon Dioxide(g). CaCO3(s) + heat ===>CaO(s) + CO2(g). ...Calcium Oxide(s) + Water(l) ===> Calcium Hydroxide(s) CaO(s) + H2O(l) ===> Ca(OH)2(s). ...Calcium Hydroxide(aq) + Carbon Dioxide (g) ===> Calcium Carbonate(s) + Water (l) Ca(OH)2(aq) + CO2(g) ===> CaCO3(s) (suspension) + H2O(l) These equations do not need balancing, they are already balanced.
What is used to moved the water along during the purification process?
chlorine and fluoride
Why a gray color in naphthalene sample after usual purification process?
The gray color in a naphthalene sample after the usual purification process could be due to impurities that were not completely removed during the purification process. It is possible that the impurities present in the sample contributed to the gray coloration. Additional purification steps may be necessary to obtain a pure white sample of naphthalene.
Why is salt added during the process of DNA purification and what is its purpose?
Salt is added during DNA purification to help the DNA molecules stick together and separate from other molecules. This process, called precipitation, allows the DNA to be easily separated and collected for further analysis.
What happens at the anode during purification of copper?
At the anode during purification of copper through electrolysis, copper atoms lose electrons to become copper ions (Cu2+), which then dissolve into the electrolyte solution. This process allows impurities to remain behind at the anode, resulting in the purification of copper.
Does total activity increase or decrease during protein purification?
During protein purification, the total activity of the protein is typically maintained or even increased due to the removal of unwanted contaminants. Purification processes are designed to concentrate and purify the target protein, which can lead to an increase in specific activity even if some total protein is lost during the process.
Can You Use Purification In A Sentence?
Human waste is likely safe to drink, after being put through a lengthly purification process.
