Is the electronegativity of argon greater than sodium?

Hich statement correctly describes a chemical equilibrium? It must take place in an open system. The mass of the reactants and the mass of the products are equal. It is affected by the addition of a catalyst.

Hydrazine (N2H4), a rocket fuel, reacts with oxygen to form nitrogen gas and water vapor. The reaction is represented with the equation: N2H4 (l) + O2 ( g. → N2 ( g. + 2H2O ( g.

What major factors play role in global warming

Which of the following is true of the internal energy of the system and its surroundings following a process in which ΔEsys=+65kJ. Which of the following is true of the internal energy of the system and its surroundings following a process in which.

One mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 6.43 liters against a constant external pressure of 1.00 atm. how much work (in joules) is performed on the surroundings? ignore significant figures for this problem.

A gas mixture consists of 320 mg of methane, 175 mg of argon, and 225 mg of neon. the partial pressure of neon at 300k is 8.87 kpa. calculate (i) the volume and (ii) the total pressure of the mixture.

Diffraction is when light is bent around obstructions. Which of the these observation about clouds would indicate diffraction? A) After rain storms, you can sometimes see rainbows. B) Clouds are white or gray and cannot be seen through.

In the following reaction, how many grams of ammonia (NH3) will produce 300 grams of N2? 4NH3 + 6NO → 5N2 + 6H2O The molar mass of ammonia is 17.0337 grams and that of nitrogen is 28.02 grams.

For each solute, identify the better solvent: water or carbon tetrachloride

If an element has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass?