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netineya [11]
3 years ago
5

What is a physical property of milk

Chemistry
1 answer:
babymother [125]3 years ago
7 0
Liquid, or aqueous (?)
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What is the formula for calcium chloride?<br><br><br> Ca2Cl<br><br> CaCl<br><br> CaCl2<br><br> CaCl3
djyliett [7]
<em>Hello there, and thank you for asking your question here on brainly.

The answer to this is Answer choice C: CaCl2

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8 0
3 years ago
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Arrange carbon, phosphorus and sulfur in order of reactivity to write their reaction with oxygen.
mihalych1998 [28]

Answer:

Solid phosphorus reacts with gaseous oxygen to produce solid diphosphorus pentaoxide. ... Methanol burns in oxygen to produce carbon dioxide gas and water vapor.

Explanation:

Solid phosphorus reacts with gaseous oxygen to produce solid diphosphorus pentaoxide. ... Methanol burns in oxygen to produce carbon dioxide gas and water vapor.

6 0
2 years ago
Which of these celestial objects is the smallest
Verizon [17]

Answer:

A.

Explanation:

I looked it up lol.

7 0
3 years ago
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Teniendo en cuenta los siguientes fenómenos: ebullición del agua- movimiento de un cuerpo- disolución de sal en agua- combustión
miv72 [106K]

Answer:

Las siguientes son reacciones químicas;

combustión de leña

oxidación del hierro

descomposición del agua en hidrógeno y oxígeno

Explanation:

Una reacción química da como resultado la formación de una (s) sustancia (s) nueva (s), mientras que un cambio físico no conduce a la formación de una sustancia nueva.

Las siguientes son reacciones químicas;

combustión de leña: la combustión de madera implica la oxidación del carbono según la reacción; C (s) + O2 (g) -------> CO2 (g)

oxidación del hierro: La oxidación del hierro conduce a la formación de óxidos de hierro. Como; 2Fe (s) + O2 (g) ----> 2FeO (s)

descomposición del agua en hidrógeno y oxígeno: esta es una reacción química en la que el agua se descompone de la siguiente manera; 2H2O (l) -----> 2H2 (g) + O2 (g)

Todos estos procesos enumerados anteriormente conducen a la formación de nuevas sustancias, por lo tanto, son reacciones químicas.

3 0
2 years ago
13. Which statement best describes an element? *
Natasha2012 [34]

Explanation:

Distinguish chemical substances from mixtures

Key Points

Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components.

A chemical substance is composed of one type of atom or molecule.

A mixture is composed of different types of atoms or molecules that are not chemically bonded.

A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.

A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

Various separation techniques exist in order to separate matter, including include distillation, filtration, evaporation and chromatography. Matter can be in the same phase or in two different phases for this separation to take place.

Terms

substanceA form of matter that has constant chemical composition and characteristic properties. It is composed of one type of atom or molecule.

elementA chemical substance that is made up of a particular kind of atom and cannot be broken down or transformed by a chemical reaction.

mixtureSomething that consists of diverse, non-bonded elements or molecules.

4 0
3 years ago
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