Solid State Physics

Helium is less dense than oxygen and nitrogen. Helium is the second lightest and least dense gas, while oxygen and nitrogen are heavier gases. This is why helium is often used to lift balloons, as it is less dense than the surrounding air.

Addition of heat produces more liquid, breaking apart the intermolecular bonds, rather than increasing bond oscillation (increasing temperature).

Yes.

your body would explode in space if you went unprotected.

in-fact you will explode before you can suffocate. this because in space there is a Vacume that sucks up all the air.

A scrap heap magnet is an electromagnet, therefore whilst it is on, it can attract any magnets and metal objects with any Nickel, Cobalt and Gadolinium in them.

Hope that answered your question ^.^

The solid state of matter is characterized by rigidity as its primary feature. In solids, the particles are arranged in a fixed, regular pattern which gives them a definite shape and volume. This arrangement of particles allows solids to maintain their shape and resist deformation under applied stress.

The electromagnetic force is carried by photons and acts between charged particles, such as electrons and protons. It is a long-range force, unlike the weak and strong forces, and it can both attract and repel particles. The electromagnetic force is also distinct from gravity, which is a much weaker force acting over longer distances.

Because the air that is in the full box is being pushed while the other box that is empty has no air at all for it to be heavy.

Electromagnetic brakes work like this.

The brake shoes are moved by solenoids. These solenoids actually keep the brakes OFF when power is going to them. When the electronic brake is actuated, the brake control decreases the amount of voltage going to the solenoids there fore allowing the brake to contact the brake drum. When the safety switch (break away switch) is activated, the battery in the supply box, provides full power forcing the brake pads against the drums causing the vehicle to stop immediately.

The speed of light is constant, so we can use it to calculate distance by measuring the time it takes for light to travel from a source to an observer. This principle forms the basis of astronomical measurements and allows us to determine vast distances in the universe.

Water (H2O) comes in three different physical states; liquid, solid and gas. Water vapor is water in a gaseous state. Water vapor can be produced from the evaporation or boiling of liquid water or through the sublimation of ice. Typically water vapor is constantly being created by evaporation. Unlike the solid or liquid state of water, water vapor is not visible to the human eye.

Hey! I have the same class don't worry I found it out: Zinc is a stronger reducing agent than hydrogen and thus tends to reduce the hydrogen and force it out of the solution. Hope that Helps! :)

That's kind of a trick question. Specific heat - also known as "heat capacity" is the energy required to change the temperature by a fixed amount. In the case of an isothermal process, the temperature isn't changing.

Since specific heat is defined as (δH/δT), isothermal heat capacity would be (δH/δT)T which means, in English, the change in enthalpy with a change in temperature when the temperature isn't changing... you see the problem. If δT = 0, then δH/δT = ±∞ (positive if heat is added to the system to keep the temperature constant, negative if heat was removed to keep it isothermal)

You could write some equations such that the heat capacity becomes a term in the equation. What you will generally find though is that the heat capacity is multiplying a dT term and when dT is zero, that term drops out and heat capacity is irrelevant for the calculation.

Solid solutions are common in materials science, where two or more elements form a homogeneous mixture at the atomic level. Examples include alloys like steel (iron and carbon) and brass (copper and zinc). They exhibit unique properties such as increased strength or corrosion resistance compared to pure metals.

When You are making a circular turn in your car when you hit a big patch of ice causing the force of friction between the tires and the road to become zero While the car is on the ice what does it moves along a straight line path.

Solid, liquid, and gas are the three states of matter. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither a fixed shape nor volume and fill the container they are in.

A metal's ability to bend without breaking is called malleability. Metals with high malleability can be easily bent or shaped into various forms without fracturing.

All wood can be penetrated to an extent. It depends on the thickness and mass of a given piece of wood that decides how far the bullet will penetrate or if it will exit out the other side

A liquid

Wax melting is a reversible physical change, not a chemical reaction. When wax melts, it changes from a solid to a liquid state due to the application of heat. Once the heat is removed, the liquid wax will solidify back into a solid form without undergoing any chemical changes.

Density is a measure of mass per unit of volume. Assuming no air leaks out while we compress it, the mass doesn't change. Since the volume is now half as much as before and the mass is the same, the density has doubled.

No, crystal is not a metal. Crystal refers to a solid material whose atoms are arranged in a highly ordered, repeating pattern, giving it distinct physical properties. Metals, on the other hand, are elements that typically have high electrical conductivity, luster, and malleability.

differentiate of science and technology? science is the study of forces and interactions between different "things" both animate or inanimate. technology can be referred to as "things" which we make, but were developed by applying scientific law, knowing what such "things" are capable of doing

The reduction factor of a tangent galvanometer is the ratio of the tangent of the angle of deflection produced by a given current to the actual value of that current. It is used to calibrate the instrument so that the deflection angle can be directly related to the current flowing through it.

In the realm of fighter jets it was found that the smaller the pilot, the better they were able to withstand the rather large accelerations involved in high speed turns. These acceleration forces are very similar to a gravitational force and can be measured in multiples of g, the unit force of gravitational acceleration.

As small people are better at withstanding g forces it was the females that tended to dominate in this area. Therefore anybody who excelled at withstanding g forces, whether male or female, ended up getting called a g queen.