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What does this indicate about the reaction that took place in the beaker?
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Compare a structure of an enzyme before and after a reation?
An enzymes structure is not affected by a reaction. The enzyme has the same structure at the end of the reaction as it did before it took place. Note: Enzyme structures may change during the reaction itself but will return to their original shape etc when the reaction is complete.
When CO2 mixes with limewater how do you know a chemical reaction took place?
The solution becomes cloudy due to the formation of calcium carbonate, a white solid.
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 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)
18 l of ammonia were produced by the haber process how many liters of hydrogen were used during the reaction the reaction took place at stp 0ºc and 1.0 atm n2 g plus 3 h2 g --2 nh3 g?
27 litters
If you were holding a beaker in which an exothermic reaction just took place would the beaker feel hot or cold?
the beaker would feel hot
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 would one be able to tell if a more vigorous reaction took place with strong acid than with vinegar?
Conduct the experiment in two insulated beakers and insert a thermometer in both. To each separate beaker add the same substance, for example, limestone and then add vinegar to one beaker and a strong acid such as HCl to the other. Measure the time and temperature of both. You should see a much greater and quicker rise in temperature with the strong acid.
What does Macbeth reaction indicate about his character?
I think that it would be that killing Duncan was something hard for him that he took it to heart since it wasn't so easy to do.
How an element produce heat?
A chemical reaction took place creating a new element.
What happens when a compound undergoes a chemical reaction?
When a compound undergoes a chemical reaction, it is forever altered. It can never go back to the way it was before the reaction took place.
List two observations from the vinegar lab that imdicates a chemical reaction took place?
Bubbles
What evidence do you have that a chemical reaction took place?
changes in its appearance ie colour and state
What festival day was it per Indian calendar on 10 June 1987?
There is no indication on the Indian calender that any festivals that took place on June 10, 1987. It does however indicate that on June 9, 1987 Vaikasi Vishaka took place.
Write the balanced equation for the reaction of acetic acid CH3COOH and sodium bicarbonate NaHCO3 What type of reaction took place?
CH3COOH + NaHCO3 = CH3COO-Na+ + H2O + CO2
A reaction to the draft law?
Draft Riots took place in some northern cities, the worst in New York City
