What is Delta. S for the reaction N2 (g) + O2 (g) Right arrow. 2NO? Use Delta. G = 173.3 kJ at 303.0 K and Delta. H = 180.7 kJ. Use Delta. G = Delta. H - TDelta. S.

7.4 J/K

7.4 kJ/K

24.42 kJ/K

24.42 J/K

What is the molarity of a solution with a volume of 974 mL containing 17 g of CuSO4 ? A. 0.109M CuSO4 B. 9.66M CuSO4 C. 2.79M CuSO4 D. 0.0001M CuSO

How difficult is Biochemistry?

If 63.8 grams of aluminum metal (Al) react with 72.3 grams of sulfur (S) in a synthesis reaction, how many grams of the excess reactant will be left over when the reaction is complete?

Two samples of gold that have different temperatures are placed in contact with one another. Heat will flow spontaneously from a sample of gold at 60°C to a sample of gold that has a temperature of (1) 50°C (3) 70°C (2) 60°C (4) 80°C

Which has more mass: an armful of feathers or an armful of lead? which has more volume: a kilogram of feathers or a kilogram of lead? which has higher density: a kilogram of feathers or a kilogram of lead?

The electron configuration 1s22s22p63s23p6 represents which noble gas?

What are some disadvantages of incinerators?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)