Which of the following is correct for the equation below?

2P (s) + 3Cl2 (g) → 2PCl3 (g) + 574 kJ

S + HNO3 = H2SO4 + NO

Consider this system at equilibrium. A (aq) B (aq) deltaH=+550 kJ/mol What can be said about Q and K immediately afteran increase in temperature?

Given = 10 and n = 9 the ratio of n to m is 10/9 true or false

Which of the following is the final fate of a very massive star? Large planet Comets Red giants Black holes

What is the mass ethyl alcohol that fill 200.0 ml

According to Boyle's law, how would you reduce the volume of a gas? a. by decreasing its pressure b. by increasing its temperature c. by decreasing its temperature d. by increasing its pressure

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?