25.9 moles of helium are present in a 35.2 liter tank at a pressure of 1635 kPa. at what temperature (in kelvin) is the gas being held? (R=8.31 kPa•L/mol•K)

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

What are the constituent metals of stainless steel?