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Question 33.How would you best separate solid sugar from a solution of sugar water?
Question 44.The phase change when a solid goes directly to a gas is called:
Question 55.What is a dipole-dipole force?
Question 66.A London Dispersion force is:
Question 77.You performed paper chromatography on some marker ink and found that one of the pigments had a retention factor of 0.25. The total distance the solvent traveled was 8.0 cm. How far did the pigment travel?
Question 88.Compound X is converted to elements A and B. Compound X has undergone a _____ reaction.
Question 99.Alcohol and water are best separated from one another by:
Question 1010.What is NOT something that you would find on a phase diagram?
Question 1111.Which type of reaction always requires oxygen to be a reactant?
Question 1212.Substances in which phase of matter have the most space between its particles?
Question 1313.A piece of pencil graphite (made of carbon atoms) has a mass of 0.12 grams. How many moles of carbon atoms are in the lead?
Question 1414.Ocean water is a good example of a mixture because _____
Question 1515.A scientist measures the pressure and temperature of a sample. When they plot the data on their phase diagram, they make a point above the critical point. What's definitely true of the sample?
Question 1616.When a bond forms, this is an example of
Question 1717.A piece of copper wire contains 5 moles of copper atoms. What is its mass?
Question 1818.An example of condensation is:
Question 1919.Which of the following is a chemical property of the element hydrogen?
Question 2020.What is the most common state of matter in the universe?
Question 2121.A tenth of a mole of pennies contains how many pennies?
Question 2222.Homogeneous mixtures are also called
Question 2323.A computer chip contains 1.20 x 10^23 atoms of silicon. What is its mass?
Question 2424.The ability of iron to react to oxygen is an example of _____
Question 2525.What is NOT something that a phase equilibrium line shows?
Question 2626.At the melting point and boiling point what happens?
Question 2727.What was the Kinetic Molecular Theory designed to explain?
Question 2828.Which of the following is a double-replacement reaction?
Question 2929.The phase change when gas turns directly into a solid is called:
Question 3030.What does it mean when the enthalpy change for a reaction is negative?
Physical Science - Understanding Matter: Homework Help Chapter Exam Instructions
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