What is the predicted change in the boiling point of water when 2.10 g of barium chloride (Bacly) is dissolved in 5.50 kg of water?
Kb of water = 0.51°C/mol
molar mass BaCl2 = 208.23 g/mol
ivalue of BaCl2 = 3
A. -0.194°C
B. 0.0028°C
C. -0.00031°C
O D. 0.00093°C

How does decreasing the gas volume affect the pressure of a gas?

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

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air