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Which type of reactions cannot occur spontaneously endothermic exothermic or neither?
Endothermic reactions cannot occur spontaneously because they require an input of energy to proceed, making them non-favorable under standard conditions without an external energy source. In contrast, exothermic reactions can occur spontaneously as they release energy, often leading to a decrease in free energy. Therefore, the correct answer is that endothermic reactions cannot occur spontaneously.
Which will melt faster an ice cube in a closed container or open container?
In an open container because the warm air can melt the ice faster.
Why will a container of has explode if it is heated?
because of the presssue
Is food coloring homogeneous or heterogeneous?
Crayon is heterogeneous because if it is broken down to form powder then it won't mix with the water equally
Does sucrose spontaneously break down into ions in water?
No, sucrose does not spontaneously break down into ions in water because it is a non-electrolyte compound. Sucrose remains as intact molecules in water because it does not dissociate into ions like electrolytes do.
Why does helium spread throughout a room and water doesn't?
because gasses always fill up their container.
Is iodized salt and sugar in a container pure substances homogeneous or heterogeneous?
Iodized salt is a homogeneous mixture because the iodine is evenly distributed throughout the salt. Sugar in a container is also a homogeneous mixture because the sugar particles are uniformly dispersed in the container.
How buoyant is a 55 gallon plastic drum?
Buoyancy depends on the density of the gas or liquid in which an object is submersed and the volume of the object, because the upward force is equal to the weight of the gas or liquid that the object disperses. If you disregard the volume of the container itself, the upward force on such a container completely submerged in pure water would be the weight of 55 gallons of water, which is about 459 pounds.
Why does Harry kiss Ginny in Half-Blood Prince?
He fell in love with her throughout the 6th book (Half-Blood Prince), and spontaneously kissed her on page 533 (U.S. edition).
Why does a pod of blossom bursts open?
A pod of blossom bursts opens because it disperses by explosion.
Why is phosphurous stored in water?
Because it can spontaneously ignite in air.
Why doesn't a match spontaneously combust?
A match can't spontaneously combust because it need someone or something to strike it. It can't combust on it's own TRC
Does iodine react to iodine?
Iodine does not react with itself under normal conditions because it is a non-metal element that exists naturally as diatomic molecules (I2). However, it can react with other substances to form compounds.
Why can a gas fill the entire volume of its container?
A gas can fill the entire volume of its container because its particles are in constant motion and have enough kinetic energy to spread out and occupy all available space. Additionally, the particles of a gas are very small and have weak intermolecular forces, allowing them to move freely and independently throughout the container.
Reactions that do not proceed spontaneously because they require energy from an outside source are called?
Endothermic
When a force is applied to a fluid in a closed container the pressure increases everywhere by the same amount?
When a force is applied to a fluid in a closed container, the pressure increases uniformly throughout the fluid. This is because the molecules of the fluid transmit the force in all directions equally, resulting in a uniform increase in pressure.
Why gases have no free surfaces?
Gases do not have free surfaces because their particles are in constant random motion, colliding with each other and the walls of the container. This molecular movement leads to equal distribution of the gas particles throughout the container, preventing the formation of a distinct free surface like in liquids.
