Chalcopytite is the ore for which mineral

A. iron

B. gold

C. copper

D. aluminum

Which is an example of pseudoscience?

What color does yellow and blue make

2. The particles in the oxygen gas animation show many different kinds of motions. Identify three different kinds of motions/interactions you observe. Which motions create pressure on the walls of the container

F (x) = ax³ + bx² + cx + d, where a, b, c and d are integers. Given that f (0) = 6 (a) show that d=6 When f (x) is divided by (x - 1) the remainder is - 6 When f (x) is divided by (x + 1) the remainder is 12 (6) Find the value of b.

Mass=35g Density=5g/cm3 What is the volume?

Write a formula for the ionic compound aluminum and chlorine

35 Given the balanced equation representing a reaction:Al2 (SO4) 3 + 6NaOH = = > 2Al (OH) 3 + 3Na2SO4 The mole ratio of NaOH to Al (OH) 3 is (1) 1:1 (2) 3:1 (3) 1:3 (4) 3:7

What would the concentration be of a solution made bydissolving 5 moles of NaOH in enough water to make 2 liters ofsolution.

Which ion has the same electron configuration as Potassium?

Which will not appear in the equilibrium constant expression for the reaction below? Upper H subscript 2 upper o (g) plus upper C (s) double-headed arrow upper H subscript 2 (g) plus upper C upper O (g). [H2O] [C] [H2] [CO]