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What would happen if an endothermic reaction were cooled significantly?
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What will happen if you mix potassium and water together?
a catalyst to change water into H H O vapor
What will happen when you drop an effervescent tablet to 56 degree water?
Carbon dioxide gas will be produced. There will be a slight temperature change. As I recall, the reaction is slightly endothermic. If that is the case, depending on the chemical reaction, the water will get slightly cooler.
Will a chemical reaction that asborbs energy happen with out a source of energy?
No, a chemical reaction that absorbs energy is called an endothermic reaction. The transfer of heat from the surrounds into the substance. In reactions, energy is always CONVERTED, not created which means that nothing can be converted i.e. heat to chemical if there is no heat or initial energy.
What happen to a given mass of water as it is cooled from 4° to 0°?
Expands
What two ways is energy involved in a chemical reaction?
When a chemical change occurs, there are two types of ways heat can be involved. In an endothermic reaction, more heat enters the reaction than leaves. In an exothermic reaction, more heat leaves the reaction than enters.
Describe what can happen to the reaction rate of a system that is heated then cooled?
a solid is formed
Explain what it means for a reaction to be endothermic and what would happen to the temperature recorded by a thermometer in an endothermic reaction?
An endothermic reaction absorbs heat energy from the system. In an endothermic reaction a thermometer measuring the reactants and products would register a decrease in temperature.
Does endothermic or exothermic get colder?
Yeah, endothermic means that the heat is basically sucked out of it... or released while in an exothermic reaction, the heat is gathered or taken in. Take for example hot gas in a glass container: if it is cooled down of placed into a tub of ice, the gas will condense and the gas forms into droplets of liquid on the sides of the container and then drops to the bottom once there's enough of it.
What type of chemical reaction cannot occurs spontaneously endothermic or exothermic?
An 'exothermic' reaction gives of energy, and an 'endothermic' reaction absorbs energy.
What happen if the ammonium chloride and water combined?
When Ammonium Chloride and water are combined and drop in temperature occurs because a endothermic reaction happens
What happen when copper carbonate is heated?
It decomposes to form copper oxide and carbon dioxide. It is an endothermic reaction, which means it absorbs heat (as all decomposition reactions do). This is the chemical equation of the reaction: CuCO3 ----> CuO + CO2
What will happen if you mix potassium and water together?
a catalyst to change water into H H O vapor
What will happen when you drop an effervescent tablet to 56 degree water?
Carbon dioxide gas will be produced. There will be a slight temperature change. As I recall, the reaction is slightly endothermic. If that is the case, depending on the chemical reaction, the water will get slightly cooler.
Will a chemical reaction that asborbs energy happen with out a source of energy?
No, a chemical reaction that absorbs energy is called an endothermic reaction. The transfer of heat from the surrounds into the substance. In reactions, energy is always CONVERTED, not created which means that nothing can be converted i.e. heat to chemical if there is no heat or initial energy.
What happen to oxygen when cooled?
It contracts?
How do endothermic and exothermic differ?
Exothermic reactions release energy (usually as heat) into the surrounding environment - endothermic reactions absorb energy from the surrounding environment. Note that exothermic reactions are capable of turning into runaway reactions as the heat of reaction often speeds up the rate of reaction (releasing more heat, etc). Endothermic reactions are, usually, self moderating as a limited amount of energy is capable of being drawn from the surrounding environment.
What would happen to the solubility of potassium choloride in water as the water temperature increased from 25c to 75c?
Solubility increases nearly 1.5 times since the solubility is endothermic reaction in which enthalpy change is positive.
