How long does core helium burning last in a star compared with core hydrogen burning?

An electric field can induce an electric dipole in a neutral molecule (or atom) by pushing the positive and negative charges inside the molecule in opposite directions.

What if a wave reaches a type of matter it cannot pass through? Does it just stop moving? If not, where does it go?

Two electrodes, separated by a distance d, in a vacuum are maintained at a constant potential difference. An electron, accelerated from one electrode to the other, gains kinetic energy Ek. The distance between the electrodes is now changed to d.

vertical cylinder with a heavy piston contains air at 300 K. The initial pressure is 2.00 3 105 Pa, and the initial volume is 0.350 m3. Take the molar mass of air as 28.9 g/mol and assume CV 5 52 R.

The debate regarding viruses continue. According to this passage, some consider viruses to be alive because they A) reproduce. B) cause disease. C) respond to stimuli. D) contains DNA or RNA.

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.

What is the concentration of H + ions at a pH = 7?

Suppose that Paul D. Trigger fires a bullet from a gun. Will the speed of the bullet leaving the muzzle will be the same as the speed of the recoiling gun? Explain.

A certain rock contains large jagged pieces of other rocks cemented by fine particles what type of rock is this explain