Which chemical equation best illustrates the Law of Conservation of Mass? (My answer: D)

2H2O yields H2 + O2

CH4 + 3O2 yields CO2 + 2H2O

Al4C3 + 3H2O yields CH4 + 4Al (OH) 3

Zn + 2HCl yields ZnCl2 + H2

es the molecule defective leading to sickle cell anemia. Predict whether the following hypothetical change would or would not have a major effect at position 6.

The modern safety elevator was created so that both people and building materials could be lifted high up during the construction of taller buildings. This is an example of:

For the reaction Na + H2O → NaOH + H2, what are the reactants, products, and correct coefficients in the balanced equation?

Copper has a density of 8.9 g cm3. if you have 90 g of copper how much volume is your occupying?

How many energy sublevels are in the second principal energy level?

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.

Explain the problem surrounding the ammonia-making process in terms of chemical equilibrium. Chemical equation for producing ammonia: N2 + 3H2 ⇌ 2NH3 + energy

How many Joules are equivalent to 75 Calories?

How do you balance nuclear equations?