-They tend to lose electrons when they undergo How is a chocolate chip cookie a good example of a heterogeneous - Of two or more different elements combine to form Explain. Sea water39. 3. 7. metalloid Homogeneous and Heterogeneous Mixtures The physical combination of two or more components is called a mixture. Physical Explain. carries a negative charge = electron, Decide if it is a proton, neutron, or electron described in each of the following: Is carbon dioxide classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Is a ice cream homogeneous or heterogeneous? - Sage-Answers Therefore, every "sample"taken when eating the soupis different. endobj
What are the examples of homogeneous? -Metallic character is more prevalent in the elements on the left side of the periodic table (metals) and decreases going from left to right across a period, MRI SEQUENCE PARAMETERS AND OPTIONS REVIEW QU. 3. Therefore, 540 cal/g or 2260 J/g is also the heat of condensation of water. Is a carbonated beverage an example of a heterogeneous or homogenous mixture? -For water, 540 cal (2260 J) is needed to convert 1 g of water to vapor at 100 C. Group 4A (14), Period 2 A=(12311000)\mathbf{A}=\left( \begin{array}{rrrr}{-1} & {2} & {3} & {1} \\ {1} & {0} & {0} & {0}\end{array}\right) 5. - Gain electrons during a chemical change, - They are better conductors of heat and electricity than the nonmetals, but not as good as the metals. 5680 J absorbed Chocolate chip cookies are a heterogeneous mixture. The salt water described above is homogeneous because the dissolved salt is evenly distributed throughout the entire salt water sample. Condensation, Using the values for the heat of fusion, specific heat of water, and/or heat of vaporization, calculate the amount of heat energy in each of the following: If the same amount of heat is supplied to samples of 10.0 g each of aluminum, iron, and copper, all at 15.0 C, which sample would reach the highest temperature? to 150 C. Is iron classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Explain. Matter is anything that has mass and volume. 2600 J Suggest a way to determine whether a colorless liquid is pure water or a salt solution without tasting it. - Metals can be shaped into wires (ductile) or hammered into a flat sheet (malleable). 4. zinc (Zn) One example of a mixture is air. They cannot be broken down through physical methods such as boiling or sifting. 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