Answer:
The molecules of the liquid collide with the molecules of solid, gradually breaking the bonds between the molecules in the solid and causing the ice to melt.
Answer:hope we can be friends
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The Milky Way Galaxy is thought to contain hundreds of millions of black holes. But only a few dozen have revealed themselves—through the x-ray glow of hot gases that surround them. Now, astronomers have found a “dark” black hole only 1000 light-years away from Earth—just down the road in galactic terms. It is the closest black hole to our planet ever found, in a star system that is visible to the naked eye. “They have good evidence,” says Todd Thompson, an astronomer at Ohio State University, Columbus. “I believe them.”
The invisible nature of most black holes frustrates astronomers, who can learn about this final stage of stellar evolution only from the few dozen that have been found heating up an “accretion disk”—swirling gas they gobble up. Recently, however, astronomers have found several naked, nonaccreting candidates, using a technique borrowed from exoplanet searches. Exoplanet hunters look for periodic shifts in the frequency of the light from stars as it moves toward and away from Earth.
Explanation:
False.
Heat speeds up the motion of particles when it is added to the object/substance the atoms loosen up and move/vibrate faster and more. But when subtracting heat from the object/substance, the atoms move/vibrate slower. This is called the Kinetic theory of matter.
Answer:
Number of moles = 0.003 mol
Explanation:
Given data:
Molarity of HCl = 0.300 M
Volume = 10.0 mL (0.01 L)
Number of moles of HCl added = ?
Solution:
Formula:
Molarity = number of moles / volume in litter
Number of moles = Molarity × volume in litter
Number of moles = 0.300 mol/L × 0.01 L
Number of moles = 0.003 mol
Answer: The substance is in the gas phase only in region 5
The substance is in both the liquid and the solid phase in region 2
The substance is in only the liquid phase in region 3
The melting point is the temperature at region 2
The boiling point is the temperature at region 4
Explanation: