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What happens during an exothermic reaction and how does it differ from an endothermic reaction?
During an exothermic reaction, heat is released to the surroundings, resulting in an increase in temperature. In contrast, an endothermic reaction absorbs heat from the surroundings, causing a decrease in temperature.
How change will decrease the number of effective collisions during a chemical reaction?
An increase in temperature will lead to an increase in the kinetic energy of molecules, causing them to move faster and collide more frequently. This will result in more effective collisions during a chemical reaction.
What is the largest source of error during conducting heat neutralization?
The largest source of error during conducting heat neutralization is likely related to incomplete mixing of the reactants. This can lead to variations in reaction rates and incomplete neutralization of the solution. Other factors such as inaccurate temperature measurements or incorrect calibration of equipment can also contribute to errors in the process.
Does a hydronium ion react with a hydroxide ion during neutralization?
Yes, a hydronium ion (H3O+) reacts with a hydroxide ion (OH-) during neutralization to form water (H2O). This reaction results in the removal of excess H+ ions (from the hydronium ion) and OH- ions (from the hydroxide ion), leading to a decrease in acidity or basicity of the solution.
When two or more substances are combined the temperature of the reaction will?
When two or more substances are combined, the temperature of the reaction may increase or decrease depending on the specific reaction. This change in temperature is due to the release or absorption of energy during the chemical reaction.
What happens to volume during phase changes?
Volume increases with increase in temperature, and decreases with decrease in temperature.
Does the temperature increase or decrease when energy is released during a chemical reaction?
The temperature increases when energy is released during a chemical reaction.
What two gases increase or decrease during inhlaing and exhaling?
Oxygen and carbon dioxide increase and decrease in the lungs.
What happens during an exothermic reaction and how does it differ from an endothermic reaction?
During an exothermic reaction, heat is released to the surroundings, resulting in an increase in temperature. In contrast, an endothermic reaction absorbs heat from the surroundings, causing a decrease in temperature.
How change will decrease the number of effective collisions during a chemical reaction?
An increase in temperature will lead to an increase in the kinetic energy of molecules, causing them to move faster and collide more frequently. This will result in more effective collisions during a chemical reaction.
Does barometric pressure increase or decrese during a hurricane?
decrease
What is the largest source of error during conducting heat neutralization?
The largest source of error during conducting heat neutralization is likely related to incomplete mixing of the reactants. This can lead to variations in reaction rates and incomplete neutralization of the solution. Other factors such as inaccurate temperature measurements or incorrect calibration of equipment can also contribute to errors in the process.
Does the temperature increase decrease or stay the same during a change of state please say which or all?
During a change of state, temperature usually stays the same. When a substance is changing from solid to liquid or liquid to gas, the energy is used to break intermolecular bonds rather than increase the temperature. This is known as the latent heat of fusion or vaporization.
Do evaporation of salt water cause density increase or decrease?
During evaporation the density increase.
Testosterone level decrease during training?
No it should actually increase.
Does changing the concentration of an acid affect the temperature at neutralisation?
No, changing the concentration of an acid does not affect the temperature at neutralisation. The temperature change during neutralisation is determined by the amount of heat released or absorbed during the reaction, which is dependent on the specific acid and base involved, not their concentrations.
What happens to polythene during and after heating?
Walendziewski and Steininger reported the thermal degradation of polyethylene in the temperature range 370–450°C. In the case of thermal degradation of polyethylene, an increase in degradation temperature led to an increase of gas and liquid products, but a decrease of residue (boiling point > 360°C).
