The reaction 2Fe + 3Br2 - --> 2FeBr3 is an example of which type of reaction

-Combustion reaction

-Single replacement reaction

-combination reaction

-decomposition reaction

Only purple flowers result from a cross between purple-flowered pea plants and white-flowered pea plants. What does this indicate? Purple flowers are a mutation Purple flowers are recessive Purple flowers are dominant Purple flowers are hybrid

The henry's law constants for oxygen and nitrogen in water at 0 oc are 2.54 * 104 bar and 5.45 * 104 bar, respectively. calculate the lowering of frezzing pont of water by dissolved air with 80% n2 and 20% o2 by volume at 1 bar pressure.

Which of the following have the lowest density solids rocks liquids gases

A student synthesized a cobalt amine complex with 11.0323 g of CoCl2·6H2O (limiting reactant, MW = 237.83 g/mol) and collected 9.4705 g of the cobalt amine complex (MW = 250.45 g/mol). What was the percent yield?

How does the ph of an acid compared to the ph of a base?

A rock has 12.5 percent of its original amount of potassium-40 remaining in it; potassium-40 has a half-life of 1.25 billion years. How long ago was the rock formed? A. 1.25 billion years ago B. 2.5 billion years ago C. 3.75 billion years ago D.

Calcium is an element. What is the smallest particle of calcium that has all the chemical properties of calcium?

Which is the best term to use when describing the energy of motion

The pka of hypochlorous acid is 7.530. a 54.0 ml solution of 0.114 m sodium hypochlorite (naocl) is titrated with 0.337 m hcl. calculate the ph of the solution

An atom has no overall charg if it contains equal number of