Which of the following are balanced equations? Check all that apply. A. 4Na (s) + O2 (g) → 2Na2O (s) B. 2Mg (s) + O2 (g) → 2MgO (s) C. C3H8 (g) + O2 (g) → CO2 (g) + H2O (g) D. C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g

What is the calculated empirical formula of the copper oxide if a 0.626 g sample of the copper oxide was reduced to 0.500 g of copper metal by heating in a stream of hydrogen gas?

What is the energy transformation of a gas powered car

What chemical similarity is shared by all acids?

Celeste's diet restricts her intake of protein to 24 g per day. 1lb=16oz If she eats 1.2 oz of protein, how many grams of protein has she eaten?

Which factors of Earth's position would contribute to long-term climate change? its elliptical orbit and the tilt on its axis its distance from other planets and the tilt on its axis the tilt on its axis and its distance from the moon its distance

If a compound has a molar mass of 180 g/mol and its empirical formula is CH20, what is its molecular formula? CH20 C₂H4O2 C6H1206 C12H22011

Which element has six energy levels? A) rubidium (Rb) B) cesium (Cs) C) potassium (K) D) sodium (Na)

What is a segment of dna that contains a single unit of information?

Is carbon monoxide covalent or ionic?

Do all organisms perform meiosis?