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4.5 What does repetition in coding mean? (1)

1.1 What is an example of hardware? (1)

SECTION A: THEORY    QUESTION 1:    Choose the correct answer. Only one answer is correct.   

QUESTION 4:  Answer the following questions. Provide detailed answers.   

2.2 Which feature in Microsoft excel do we use when we want to make it easier, to understand the meaning of data?   (1)

1.5 Complete the information cycle: Input, then Processing and then? (1)

Define the following compounds as Covalent, Ionic, Acid or Base:   a) CH4 [a]                                b) Al2O3 [b] c) HI [c]                                    d) LiOH [d] e) SF6 [e]                                  f) HClO [f] g) Rb(OH)2 [g]                          h) PF6 [h] i) H2SO4 [i]                               j) CdBr2 [j]

Name or give formulas for the following compounds:   a) KMnO4 [a]   b) Carbon disulfide [b]   c) Perbromic Acid [c]   d) NaHCO3  [d]            e) Ammonium Chloride [e]    

For each of the following statements, indicate if they are True (T) or False (F): (a) The atomic mass number is the number of electrons plus the number of neutrons in an atom.  [a] (b) The number 1.000005760 contains 4 significant figures  [b]    (c) An isotope is formed when an element loses an electron  [c] (d) Antimony is a metalloid  [d] (e) A person who weighs 100 kg weighs more than a person who weighs 120 pounds.  [e] (f) The mass percent of Mg in magnesium chloride is 25.5%.  [f] (g) Density is an extensive property. [g] (h) A volume of 1.0 cm3 equals 0.001 L.  [h]  (i) 2000 g of gold is worth more than 2 lbs of gold.   [i] (j) HClO2 is chloric acid.   [j]

How many milliliters of a 4.00 M FeBr3 stock solution are needed to prepare 55 mL of 1.25 M FeBr3 solution? Answer in the correct number of significant figures.