During which change of state do particles in a material usually become father apart?

This formula equation is unbalanced Pb (NO3) 2 (aq) + Li>SO4 (aq) → PbSO4 (s) + LiNO3 (aq) Which coefficient should appear in front of LINO3 in the balanced equation?

What are Chemical Structures?

Consider the steps in coal gasification: C (coal) + H2O (g) → CO (g) + H2 (g) ΔH°rxn = 129.7 kJ CO (g) + H2O (g) → CO2 (g) + H2 (g) ΔH°rxn = - 41 kJ CO (g) + 3H2 (g) → CH4 (g) + H2O (g) ΔH°rxn =

Which of the following best expresses the definition of an open system? Energy can enter or leave the system but matter cannot. Heat and matter are both able to enter or leave the system. Matter can enter or leave the system but energy cannot.

What step must be performed before any stoichiometry problem is solved? Explain

The arrangement of electrons in the orbitals of an atom

A sample of C3H8 has 4.64 * 1024 H atoms. How many carbon atoms does the sample contain?

What is the value of 200c on a Kelvin scale

Calculate the moles of new H₂ O₂ using the balanced formula below and the average moles of KMnO₄ from calculation #2. The average moles of KMnO₄ is 0.90mol. 2KMnO₄ + 5H₂O₂ + 3H₂SO₄ → K₂SO₄ + 2MnSO₄ + 8H₂O + 5O₂ Edit: I got 2.

How many grams of CaC2 would make 23.6g C2H2?