Which of the reactions below is a formation reaction? 1. 2 fe (s) + 3 o (g) → fe2o3 (s) 2. n2 (g) + 2 h2 (g) + 1 2 o2 (g) → n2h4o (g) 3. b2 (s) + 2 i2 (ℓ) + cl2 (g) → 2 bi2cl (g) 4. cdiamond (s) + 1 2 o2 (g) → co (g) ?

Which kind of magma produces a quiet volcanic eruption

How does a sample of hydrogen at 10 °C compare to a sample of hydrogen at 350 K? A. The hydrogen at 10 °C has a higher average kinetic energy than the sample at 350 K. B. The hydrogen at 10 °C has lower nuclear energy than the sample at 350 K. C.

What is the difference between a measuring and a holding device?

The particles in a gas are less ordered than the particles in a liquid, and the particles in a liquid are less ordered than the particles in a solid. TRUE FALSE

A 4.52 l sample of nitrogen gas at a temperature of - 25°c has a pressure of 723 mm hg. what will be the volume of this sample at 125°c and 1.30 atm pressure?

There are three ways that heat can move from one place to another. Use examples pertaining to how heat is transferred from the sun to Earth and in the land, ocean, and atmosphere to explain all three.

What is temperature? A measure of the kinetic energy of a system. Energy of a system. How hot something is. A measure of density.

How many molecules of sodium nitrate are produced when 17 g of sodium azide, NaN3, react according to the following equation: NaN3 (aq) + AgNO3 (aq) - --> AgN3 (s) + NaNO3 (aq) Question options: 3.7x1023 1.6 x 1023 1.85x1023 6.02x1023

Which statement is true for the given reaction? Zn + PbSO4

A student states the following: "Since acetone (nail polish remover) evaporate more readily than water, one would assume that acetone has weaker intermolecular forces than water." Evaluate their claim. (2 sentences)