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lara [203]
3 years ago
12

Use data in Table B.2 to calculate the following:

Chemistry
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

yo it's the summer I didn't expect to see this

Explanation:

sorry I dont have the answer

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What chemical changes happen at school
kykrilka [37]

Burning, cooking

Explanation:

Chemical changes that happens in school are:

Cooking of meals

 Burning of wastes

 Chemical reactions in laboratories

Rusting of iron used in construction

  • A chemical change is a change that produces new kinds of substances.
  • These changes are usually accompanied by energy and mass changes.
  • Most of such changes are not reversible.

Chemical changes are driven by change in chemical properties of matter.

In a school, iron components might begin to rust. This is a chemical change.

learn more:

Chemical change brainly.com/question/9388643

#learnwithBrainly

8 0
3 years ago
What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare
Schach [20]

<span> </span>

Answer is: volume is 20 mL.<span>
c</span>₁(CH₃COOH) = 2,5 M.<span>
c</span>₂(CH₃COOH) = 0,5 M.<span>
V</span>₂(CH₃COOH) = 100 mL.<span>
V</span>₁(CH₃COOH) = ?<span>
c</span>₁(CH₃COOH) · V₁(CH₃COOH) = c₂(CH₃COOH) · V₂(CH₃COOH).<span>
2,5 M · V</span>₁(CH₃COOH) = 0,5 M · 100 mL.<span>
V</span>₁(CH₃COOH) = 0,5 M · 100 mL ÷ 2,5 M.<span>
V</span>₁(CH₃COOH) = 20 mL ÷ 1000 mL/L =0,02 L.

8 0
3 years ago
The substance oxidized causes the other substance to be reduced and is called the:.
blsea [12.9K]

Answer:hydrogen Peroxide

Explanation:

4 0
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Las fórmulas actuales de los compuestos propuestos por Dalton
KonstantinChe [14]

Answer:

La teoría atómica de Dalton fue el primer intento completo para describir toda la materia en términos de los átomos y sus propiedades.

Dalton basó su teoría en la ley de la conservación de la masa y la ley de la composición constante.

La primera parte de su teoría establece que toda la materia está hecha de átomos, que son indivisibles.

La segunda parte de su teoría establece que todos los átomos de un elemento dado son idénticos en masa y en propiedades.

La tercera parte de su teoría establece que los compuestos son combinaciones de dos o más tipos diferentes de átomos.

La cuarta parte de su teoría establece que una reacción química es un reordenamiento de átomos.

Partes de su teoría tuvieron que ser modificadas con base en el descubrimiento de las partículas subatómicas y los isótopos.

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3 years ago
HELP ASAP I will give you a brainliest
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Answer: its the first one buster

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