Chemistry

Chemistry, 28.06.2019 21:30, s661103

When two or more substances combine, but each keeps it own properties, the new combination is called a (an)

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Chemistry, 29.06.2019 19:30, joejoefofana

Pure sodium metal explodes when it makes contact with water, and chlorine, in its natural state, is a deadly, poisonous gas. when these two chemicals combine, they form a harmless, white powder known as sodium chloride or table salt. which of the following statements does this information support? a. when substances are chemically combined, the properties of the new substances that are formed are often different from the properties of the original substances. b. heat must be added in order to change the chemical properties of substances. c. when substances are chemically combined, the properties of the new substances that are formed are the same as the properties of the original substances. d. the properties of substances change during chemical reactions but then later go back to their original condition.

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Chemistry, 27.09.2019 06:00, oKINGDEROo

Which of the following best describes a mixture? * two or more substances combine and cannot be separated two or more substances combine chemically two or more substances combine but keep their physical properties two or more substances combine and create an irreversible reaction

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Chemistry, 06.10.2019 20:30, yasmimyamamoto2015

When two or more substances combine, but each keeps its own properties, the new combination is called a(an)

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Chemistry, 17.10.2019 04:30, jnsoccerboy3121

The element sodium (na) is a soft solid that will react explosively with water. the element chlorine (cl) is a toxic gas. when these two elements combine, they produce a stable, crystalline solid known commonly as table salt (nacl). how would you explain this? select one: when substances combine to form new substances, the properties of the reactants are preserved. when substances combine to form new substances, the properties of the resulting substances will be different than those of the reactants. sodium and chlorine become different elements during the reaction. the properties of each of the two original elements are combined to give salt its properties.

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