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What else can I help you with?
What happens to a volume of a gas when temperature is decreased?
Temperature and volume vary directly, so if temperature decreases, so does volume. Volume decreases because the measure of the average kinetic energy of the gas particles (temperature) is decreasing also. When that happens, a gas cannot expand, and will decrease.
What happens to the movement of molecules when their temperature is?
As the temperature is lowered, the movement of the molecules decreases.
Are reaction time and temperature directly proportional?
temperature is proportional to 1/time taken for reaction to complete (rate of reaction)
If I dissolve 50 grams of salt in 1000 mL of water and the temperature decreases from 30.5 and degC to 35.6 and degC what is the heat change enthalpy of reaction Was this an exothermic or endothermic?
How can the temperature DECREASE from 30.5ºC to 35.6ºC? That's an INCREASE in temperature. So, assuming you meant the temperature INCREASED to 35.6ºC, then it is an endothermic reaction.q = mC∆T = (1000 g)(4.184 J/g/deg)(5.1 deg) = 20,920 J = 20.9 kJ. This is the heat change for this reaction.
What effects does the concentration of reactants have on the rate of the reaction?
increasing the concentration increases the rate of the reaction
Why the body temperature decreases when you do not eat food?
because the body saves energy by decreasing the metabolic reaction rate of oour body, thereby decreasing the temperature of the body
What decreases the rate at which a substance melts?
decreasing the temperature
What happens to the speed of a particle as temperature decreases?
The speed of a particle decreases with decreasing temperature. Decreasing temperature is associated with lower energy states, and the particle will have a lower energy state. It will be moving with less kinetic energy.
Why does the temperature of a reaction increases reaches a maximum and then decreases?
The maximum temperature is attained when the reaction is completed.
How is the rate of reaction affected when the temperature increases?
As the temperature increases, the reaction time decreases.
How not to increase the rate of reaction?
For example by decreasing the temperature or concentration.
Which would lower reaction rate?
Decreasing the temperature of the system
How does decreasing the temperature affect the volume of the gas?
As indicated by Charles's Law, at constant pressure, the volume decreases when the temperature decreases. This is due to slowed collisions between molecules.
You can slow down the rate of reaction by?
You can slow down the rate of a reaction by decreasing the temperature, decreasing the concentration of reactants, increasing the activation energy needed for the reaction to take place, or using an inhibitor to interfere with the reaction process.
How can you decrease the preassure without increasing the area?
we can chang the temperature,decreasing the temp. presure is also decreases
What type of reaction occurs when two chemicals react together and the temperature decreases?
Endothermic reaction
What speeds up reaction and slows down reaction?
Factors that can speed up a reaction include increasing temperature, adding a catalyst, or increasing the concentration of reactants. On the other hand, factors that can slow down a reaction include decreasing temperature, decreasing the concentration of reactants, or increasing the activation energy required for the reaction.
