The following heats of formation are used to find the change in enthalpy for the formation of tin chloride in the following reaction

Sn (s) + 2Cl2(g) --> SnCl4(l)

Sn(s) + Cl2(g) --> SnCl2(l) ; ΔH = -186.2 kJ

SnCl2(s) + Cl2(g) --> SnCl4(l) ; ΔH = -325.1 kJ

What is the change in enthalpy?

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?