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What is temperature in science?
Temperature is a measure of the average kinetic energy of the particles in a substance. It indicates how hot or cold an object is by quantifying the energy of its molecules. Temperature is typically measured using the Celsius (°C) or Fahrenheit (°F) scale.
Would you expect the bolling point of chlorine to be higher or lower than that of iodine explain?
The boiling point of iodine (184.3 0C) is substantially higher than the boiling point of chlorine (-34 0C). Each element occurs at standard temperature and pressure as diatomic molecules; iodine molecules have substantially more mass than chlorine molecules; dispersion forces will be higher beween iodine molecules as they have more electrons than chlorine molecules. Both these factors contribute, mass will alomost certainly be the predominant factor.
What type of shift in the spectrum would you expect from a star that was moving in the same direction as earth and at the same speed as earth?
If the star is moving in the same direction and at the same speed as Earth, there would be no Doppler shift in the spectrum observed from Earth. The star's light would not be blueshifted or redshifted relative to Earth, since the relative motion is negligible.
What is a main reason that an increase in temperature increases the rate of a chemical reaction?
Temperature is the measure of the average kinetic energy of the molecules involved. If the temperature increases, then the kinetic energy of the molecules increases and they move faster. Faster moving molecules have more collisions with other molecules and more forcefully. For a reaction to occur, the molecules have to line up correctly and with adequate force. By increasing the speed of the particles, you are increasing the chance that the two molecules will align and produce a reaction.
If Bert the Bat travels eastward at 40mph with a tail wind of 6mph what is his actual speed?
Bert's actual speed would be 46mph, as you would add the speed of the tailwind to his traveling speed.
In a bucket of water the instantaneous speed of molecules is closest to?
The instantaneous speed of water molecules in a bucket of water would vary due to the random motion and collisions between molecules. On average, the speed of water molecules at room temperature is around 500 m/s.
do bromine molecules move faster then air molecules?
The speed of gas molecules is primarily determined by their temperature, not their specific identity. At the same temperature, bromine molecules and air molecules would have similar average speeds.
Average speed is indicated on the speedometer?
I would call it current speed, not average speed.
What would happen to the mean speed of gas if temperature is doubled?
If the temperature of a gas is doubled, the mean speed of the gas molecules will also double. This is because the average kinetic energy of the gas molecules is directly proportional to the temperature according to the kinetic theory of gases.
In a gaseous mixture of massive molecules and light molecules with the same average kinetic energy which have the greater speed?
The light molecules would have greater speed because they have lower mass and therefore higher speed for the same kinetic energy. This is described by the relationship between kinetic energy, mass, and speed in the equation KE = 1/2 mv^2, where kinetic energy (KE) is proportional to the mass (m) and the square of the velocity (v).
What molecules would you expect to dissolve in water polar covalent molecules inoic molecules nonpolar convalent molecules?
ionic molecules dissolve the most. but some polar covalent molecules also do dissolve in water.
Which of the gases in the earth's atmosphere would you expect to find as molecules and which as individual atoms?
In Earth's atmosphere, you would expect to find gases like oxygen (O2), nitrogen (N2), and hydrogen (H2) as molecules, which are composed of two or more atoms bonded together. Gases such as helium (He), neon (Ne), and argon (Ar) are present as individual atoms since they are noble gases that exist as single atoms and do not typically form molecules in the atmosphere.
How many hours would it take to drive 3000 miles?
At an average 50 mph, 60 hours. At an average 60 mph, 50 hours.
Which molecules would you expect to find in the tube leading back from the machine to the persons vein?
cats
Which type of air would you expect to have more space between air molecules?
Warmer Air does this.
How fast is air molecules if temperature of the gas is 0 Celsius degrees?
The air molecules would go very slow because the air molecules are tight close together.
Would you expect the motions of particles in all state of matter to increase or decrease as ths temperature increase?
The general tendency is for the average speed of particles to increase as temperature increases.But please note that temperature can't be DEFINED simply as the average speed; it is more closely related to the average ENERGY per particle. And the energy for each particle depends on the SQUARE of the speed; but it also depends on the mass of the particle.
