A gas initially occupies 14 L at 20oC. What will the new volume of gas be at 70oC if the pressure is kept constant? (4 marks)
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Solutions of barium hydroxide and calcium nitrate are mixed….
Solutions of barium hydroxide and calcium nitrate are mixed. What precipitate will form?
Identify the particle that must receive 2 electrons to acqui…
Identify the particle that must receive 2 electrons to acquire a charge of +1.
The pressure exerted by a gas in a closed container is measu…
The pressure exerted by a gas in a closed container is measured with a(n) _______ .
b) Using the balanced equation from the previous question, w…
b) Using the balanced equation from the previous question, what mass of oxygen is needed to completely burn 150 g of C5H12? (3 marks)
A reaction which releases energy is called _______ .
A reaction which releases energy is called _______ .
A gas is heated in a closed rigid container. The molecules:
A gas is heated in a closed rigid container. The molecules:
Which of the following properties best applies to the elemen…
Which of the following properties best applies to the elements of the noble gas family?
Define four (4) of the following terms (1 mark each). a) cov…
Define four (4) of the following terms (1 mark each). a) covalent bond b) isotope c) ionization energy d) molecule e) molar volume f) solubility g) molarity h) absolute zero
Which of the following is NOT a property of oxygen?
Which of the following is NOT a property of oxygen?