A sample of gas at STP has a volume of 250 ml, at what pressure (in kPa) will the new volume be 95ml at 0 ºC?( Answers must have a) formula b) substituted values c) final answer with correct units)

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next