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Is nh4oh plus h2o exothermic or endothermic?
The reaction of ammonium hydroxide (NH4OH) with water is generally considered endothermic. When NH4OH dissolves in water, it absorbs heat from the surroundings, leading to a decrease in temperature. This is why you may feel a cooling effect when handling a solution of ammonium hydroxide.
What type of reaction is 2N2O5 plus NO 4NO?
CH4 + 2O2 📷 CO2 + 2H2O + Heat
Which statements are true of the reaction below 2K(s) plus Br2(l) 2KBr(s)?
The reaction 2K(s) + Br2(l) → 2KBr(s) represents a combination reaction where potassium (K), a solid metal, reacts with bromine (Br2), a liquid halogen, to form potassium bromide (KBr), a solid ionic compound. This reaction is exothermic, releasing energy as heat and light due to the formation of strong ionic bonds in KBr. The reactants are in their standard states, and the reaction typically occurs rapidly and can be quite vigorous, especially with potassium, which is highly reactive.
What H2O(l) plus heat H2O(g) exthermic or endothermic?
It is an exothermic reaction. There are multiple ways to think about this. The reactants are in the gas phase and thus have a lot of energy within the molecules. When they react to produce a liquid, which has much less energy in its molecules. The energy must be released to the environment to lower the energy of the bonds.
What type of reaction is CH4 plus 2O2 equals CO2 plus 2H2O plus 218kcal?
The given equation represents a combustion reaction, where methane (CH4) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O). The release of 218 kcal indicates that this reaction is exothermic, releasing heat energy.
Is 6Al plus 3O2--- 6AlO exothermic or endothermic?
endothermic
Is 2H2 plus O2 equals 2H2O plus heat endothermic or exothermic?
exothermic
What type of reaction is shown in this thermochemical equation A plus B plus Heat -- C plus D?
The reaction shown in the thermochemical equation is an exothermic reaction. This is because heat is a reactant (on the left side of the equation) and is released during the reaction.
Is h2o plus energy to h2 plus o2 an exothermic reaction?
No. It is endothermic because it absorbs energy.
Does H2O plus CaCl2 is it endothermic or exothermic?
When H2O reacts with CaCl2, it is an exothermic reaction because it releases heat to its surroundings. This is because the formation of bonds in the products is stronger than the bonds in the reactants, resulting in the release of energy in the form of heat.
Is 2K plus Br2 and 2KBr balanced?
The equation 2K + Br2 -> 2KBr is balanced as there are equal numbers of atoms of each element on both sides of the reaction.
What is it called when energy is released or absorbed during chemical change called?
exothermic reaction When energy is released in a chemical reaction it is called an exergonic reaction. One example of an exergonic reaction is cellular respiration in both plants and animals. It is represented by a negative change in free energy (-∆G). An exothermic reaction is only the release of energy as heat, so the more correct answer would be an exergonic reaction, which is the release of energy.
Is 4Al 3O2 2Al2O3 exothermic or endothermic?
The reaction 4Al + 3O2 -> 2Al2O3 is exothermic. This is because it releases energy in the form of heat during the reaction. The formation of aluminum oxide (Al2O3) from aluminum (Al) and oxygen (O2) is accompanied by a decrease in enthalpy, resulting in the release of heat energy.
What kind of reaction is N2 plus O2 plus Heat 2NO?
endothermic
What type of reaction is 2N2O5 plus NO 4NO?
CH4 + 2O2 📷 CO2 + 2H2O + Heat
What is the temperature of naoh plus H2O exothermic reaction?
36oC
A plus B equals AB plus energy is an example of?
An exothermic chemical reaction.
