0
What else can I help you with?
Is dissolving salt in water a physical or chemical change?
Dissolving salt in water is a physical change- no chemical reaction took place. If the water evaporates, the salt is still there.
What does this indicate about the reaction that took place in the beaker?
The formation of white precipitate indicates a chemical reaction occurred in the beaker that resulted in the precipitation of a solid product from the solution.
What determine whether a reaction took place?
Use the following equation: delta G = delta H - T*deltaS. A reaction is spontaneous if delta G is negative. A reaction will always be spontaneous (under any temperature) only if the change in enthalpy (delta H) is negative and the change in entropy (delta S) is positive. If this is not the case, the reaction will only be spontaneous (negative delta G) for a range of temperatures (or could be always non-spontaneous)
When CO2 mixes with limewater how do you know a chemical reaction took place?
When CO2 reacts with limewater (calcium hydroxide), the solution turns milky due to the formation of calcium carbonate, which is insoluble and precipitates out. This indicates a chemical reaction has taken place as a new substance with different properties has formed.
According to the article the aftermath Which of these took place in New Orleans in the aftermath of hurricane Katrina?
Rioting and looting took place. Apex
Is dissolving salt in water a physical or chemical change?
Dissolving salt in water is a physical change- no chemical reaction took place. If the water evaporates, the salt is still there.
What is the chemical reaction that took place in heating a sugar?
caramelization :D
What are the chemical reaction that took place to make Colgate toothpaste the product?
taulom
How an element produce heat?
A chemical reaction took place creating a new element.
Who will be the witness for the wedding"?
The witness for the wedding will be a person who signs the marriage certificate to confirm that the ceremony took place.
What does this indicate about the reaction that took place in the beaker?
The formation of white precipitate indicates a chemical reaction occurred in the beaker that resulted in the precipitation of a solid product from the solution.
What physical change took place in the spirit of the present from his when he first appears in the story to when he leaves?
he pooped his pants
A reaction to the draft law?
Draft Riots took place in some northern cities, the worst in New York City
What is the evidence that a chemical reaction took place when zinc mixed with HCl?
Evidence that a chemical reaction took place when zinc mixed with HCl includes the production of hydrogen gas bubbles, formation of zinc chloride as a product, and an increase in temperature of the reaction mixture due to the exothermic nature of the reaction. Additionally, the disappearance of the solid zinc as it undergoes dissolution is another indication that a chemical reaction has occurred.
How do you know that a chemical change took place when sodium and clorine join to form table salt?
it is an ionic and exothermic reaction i.e. when it will take place heat will be liberated
What physical change took place in the spirit of Christmas present from when he first appears in the story to when he leave?
he pooped his pants
What are the features of the scarlet ibis?
tje physical place of the scarlet ibis is in Georgia South Carolina.... it took place in 1918, the setting is home and near a swamp land.....................
