Which of the following processes would you predict to have a positive value for ΔSºreaction?

A. 2SO2 (g) + O2 (g) → 2 SO3 (g)

B. P4O10 (s) + 6H2O (l) → 4H3PO4 (s)

C. 2POCl3 (g) → 2PCl3 (g) + O2 (g)

D. 2H2 (g) + O2 (g) → 2H2O (l)

What volume of oxygen at 423.0 K and a pressure of 127.4 kPa is produced by the decomposition of 129.7 g of BaO2 to BaO and O2?

Oxygen-18 has an atomic number of 8. how many neutrons are in this isotope? 8 10 18 cannot be determined

A force of 48 newtons is needed to lift a trunk 12 meters. How much work will be done?

Nitrogen and hydrogen gases are combined at high temperatures and pressures to produce ammonia, NH3. If 101.7 g of N2 are reacted with excess H2, how many moles of NH3 will be formed

Where does the blood pick up oxygen

The advantage of excreting nitrogenous wastes as urea rather than as ammonia is that

Which molecule is a dipole? CH4 N2 CCl4 NO2 BF3

Calculate the enthalpy of the formation of butane, C4H10, using the balanced chemical equation and the standard value below: 4C (s) + 5H2 (g) = > C4H10 (g) Standard enthalpy of formation values: (Delta Triangle) H^0 of C (s) = - 393.

What volume of lead (of density 11.3 g/cm3) has the same mass as 330 cm3 of a piece of redwood (of density 0.38 g/cm3) ?

What electrically neutral atom will have an electron configuration of 1 s 22 s 22 p 4? Use a periodic table. Question 5 options: nitrogen (N) oxygen (O) carbon (C) fluorine (F)