The reaction 2NO (g) → N2 (g) + O2 (g) has a ΔH =-180.5 kJ.

How much heat will be required to produce 44.8 L of NO by the reverse reaction?

180.5 kJ

301 kJ

322.3 kJ

644 kJ

Why is heat acclimatization important? select all that apply?

Do plants uptake phosphorus as P?

What is the charge of an ion that has 12 protons and 13 electrons

Use a periodic table to answer this question. how many grams of co2 are in 2.1 mol of the compound?

The energy needed to melt 1 g of a substance is called the

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?