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Question 1 1 pts Match the type of matter with its description. Homogeneous Mixture A pure material that can be bi v [ Choose ] Heterogeneous Mixture A pure material that can be broken down into its constituent elements A uniform composition of multiple substances Compound A pure material that cannot be broken down into simpler parts A non-uniform composition of multiple substances Element [ Choose ]

Question 2 Determine whether the following changes are chemical or physical. Sawing a log in half [ Select ] Placing the logs to make a tower (Select] [ Select] Striking the match to light a fire chemical physical Toasting your marshmallow [Select ]

Question 3 3 What quantity of heat, in kJ, is required to heat a 5.93 g sample of ethanol from 22 °C to 78.3 °C? (The specific heat of ethanol is 2.46 J/g °C.) Upload Choose a File a

Question 5 2 pts Give a description of the object pictured below using at least two of the types of descriptions we discussed in class.

Question 4 Determine the enthalpy of fusion of butane gas if 2.33 kJ of heat is needed to vaporize 29.06 g of butane. Express your answer in kJ/g. Upload Choose a File