A55-g sample of a gaseous fuel mixture contains 0.43 mole fraction propane; the remainder of the mixture is butane. what are the masses of propane and butane in the sample?

What type of solution is formed if 10 g of kclo3 are dissolved in 100g of water at 30

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al