Suppose a log'smassis 5 kg after burning the mass of the ash is 1 kg explain what may have happened to the other 4 kg of mass

Add formal charges to each resonance form of hcno below. based on the formal charges you added above, which structure is favored?

When the stabilized state of an equilibrium system is altered, further chemical reactions begin until a new equilibrium is reached. a. True b. False?

When an ordinary mercury thermometer is placed in hot water, its reading drops at first, but then quickly rises. explain why?

What has more kinetic energy 10kg of bees flying at 10m/s or 10kg of birds flying at 10m/s? Why?

Consider the following elementary steps that make up the mechanism of a certain reaction: 3A→B+C B+2D→C+F Part A What is the overall reaction? Express your answer as a chemical equation.

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?