Which of the following equations is balanced correctly?

A.

3 H2O → H2 + 3 O2

B.

2 C3H3 + O2 → 2 CO2 + H2O

C.

2 C2H2 + 5 O2 → 4 CO2 + 2 H2O

D.

Cl2 + 2 KBr → KCl + Br2

This is a type of element that has many valence electrons, not a conductor.

How many grams are in 88.1 moles of magnesium?

Which compound is least soluble in water at 60 degrees Celsius

Rank the following quantities from smallest to largest: 5,200, dozen, pair, gross, ream.

Why dose a small container have more pressure than a large container of both have the same amount of gas in them

The organisms living together in a community are interdependent upon one another. Look at the food web below. In which of the following ways is a puffin dependent upon salmon? A. Puffins have a commensalistic relationship with salmon. B.

2) Which of the following is a true statement? A: All the atoms of an element must be identical. B: Compounds may be separated by physical means. C: Mixtures may not be separated. D: Homogeneous is one type of compound.

How to tell the difference between ionic and covalent bonding?

The combustion of propane may be described by the chemical equation C3H8 (g) + 5O2 (g) ⟶3CO2 (g) + 4H2O (g) C3H8 (g) + 5O2 (g) ⟶3CO2 (g) + 4H2O (g) How many grams of O2 (g) O2 (g) are needed to completely burn 83.3 g C3H8 (g) ?

Was the relationship among temperature, heat, and thermal energy?