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What three ways would let you know that a reaction of a metal had taken place?
Observation of a change in the appearance of the metal, such as discoloration or formation of a patina. Production of bubbles or gas, indicating a chemical reaction is occurring. Increase in temperature or release of heat during the reaction.
What three ways would let you know that a reaction had taken place?
Changes in color: If the color of the reactants or products changes during the reaction, it is a sign that a chemical reaction has occurred. Formation of a gas: Production of gas bubbles or fizzing indicates a chemical reaction, such as in the reaction between an acid and a carbonate. Changes in temperature: If the reaction absorbs or releases heat, causing a change in temperature in the surroundings, it signals a chemical reaction has taken place.
Why does increase in temperature increase the rate of a reaction?
To answer it, you have to imagine small particles in a solution. Let's take a simple reaction like A + B -> C To react, A and B have to bump each others. If you heat the solution, atoms will move faster, so you will increase the probability of having shocks between A and B, then you will speed the reaction. It's simplified, but it almost explains what really happens.
What is catalysis give example?
Catalysis is the use of a catalyst in a reaction.Certain substances, called catalysts, can increase the rate of a reaction without being consumed by it.An example is the decomposition of H2O2: 2222(aq)22Catalysts can be described as being homogeneousor heterogeneous.Homogeneous: reaction takes place within a single phase, as in the example above with the H2O2.Heterogeneous: reaction involves two different phases, as in the example that follows. 2N2O ----> 2N2 + O2 - this reaction is usually slow, but if the reactants are bought into contact with a metal such as gold, the reaction speeds up considerably.A catalyst lowers the activation energy required for the reaction. Let me know if this helped or if there is a certain thing that you need me to cover about it.
When things burn they do what?
They let out a gas like carbon dioxide and some very poisonous chemicals
What is calypso reaction to having to let Odysseus go?
Initially, Calypso becomes angry, but does not want to anger the gods by disobeying and ultimately agrees to let him go.
What is Calypso's reaction to having to let Odysseus go?
Initially, Calypso becomes angry, but does not want to anger the gods by disobeying and ultimately agrees to let him go.
What are the release dates for Reaction and Review - 2011 Let My Puppets Come 1-19?
Reaction and Review - 2011 Let My Puppets Come 1-19 was released on: USA: 21 June 2011
Does itching skin after sun burn mean something bad Since I got bad sunburn 5 weeks ago after it all healed one area on my shoulder has not stopped itching Horribly What does this mean?
You may be having a bad reaction to too much sun. I would go see your family physician or dermatologist. Don't let this go, for you may be having an allergic reaction to too much sun.
How do odyssesus and his men escape from the cave?
They first gave Polyphemus (the cyclopes) wine, so he became drunk and fell asleep. Then they took the stake and stabbed him in the eye, blinding him. Then they clung onto the bellies of the sheep and rams, so Polyphemus wouldn't feel them as he let them through. Then they took some of the herd and left
How do you let loose at homecoming?
You can let looae by having fun. Dancing and hanging with your friends will help.
How did Odyssesus and his men escape from Plyphemus?
They first gave Polyphemus wine, so he became drunk and fell asleep. Then they took the stake and stabbed him in the eye, blinding him. Then they clung onto the bellies of the sheep and rams, so Polyphemus wouldn't feel them as he let them through. but as Poseidon was Polythemus's farther he cursed the rest of the voyage.
How did Odysseus leave Calypsos' island?
Athena told her father Zeus that Odysseus wanted to go home to see his wife and son so Zeus told Hermes to go and tell Calypso to let Odysseus leave her island. She agreed and told Odysseus to make a boat and she gave him food and wine for his journey
What is the reaction when a fuel burns?
Fuel tends to explode or let the fire spread when it is lit.
How does Calypso feel about having to let Odysseus go?
sad
Why let say if the forward reaction is exothermic does this mean that the backward reaction gives out or take in heat and why?
If the forward reaction is exothermic then the back reaction would be endothermic. This happens because it upholds the law of conservation of energy, which says that energy cannot be created or destroyed.
What is the purpose of an invitation?
To let people know that you are having a party/ celebration when and where the party is, and how to let you know that they are coming to celebrate with you.
