What is always true of a combustion reaction?

A) water will always be one of the products

B) the reaction releases a large amount of energy

C) one reactant must contain hydrogen

D) carbon dioxide is one of the reactants

How many grams of carbon dioxide are produced by the combustion of 75.3 g of octane (C8H18) ?

Find the area of a vegetable garden that is 4.83m long and 3.4m wide. Give your answer to the correct significant figure. (use the symbol "e" to indicate exponent)

A gas sample at stp contains 1.15 g oxygen gas and 1.55 g nitrogen gas. what is the volume of the gas sample?

In any ordinary chemical reaction, matter is neither created nor destroyed; it is simply changed from one chemical substance to another. This principle is called the Law of:

Is distilled water homogeneous or heterogeneous?

Identify the characteristics of tornadoes and hurricanes

When magma intrudes parallel to another rock layer, the formation is called a (n) A. sill. B. dike. C. extrusion. D. unconformity.

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?

An element x forms an iodide (xi3) and a chloride (xcl3). the iodide is quantitatively converted to the chloride when it is heated in a stream of chlorine: 2xi3+3cl2â2xcl3+3i2 if 0.5500 g of xi3 is treated, 0.2596 g of xcl3 is obtained.