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sdas [7]
3 years ago
10

Alpha radiation:

Chemistry
2 answers:
Tasya [4]3 years ago
5 0
B. Can be harmful to humans if the materials are inhaled, swallowed, or absorbed through open wounds
Dafna11 [192]3 years ago
4 0
C. Can travel long distances through air
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givi [52]

Answer: 51.9961 g/mol, don't know if it helps :)

Explanation:

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How many atoms are in 4.4 mol Zn?
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1 mol zn ------------- 6.02x10²³ atoms
4.4 mol -------------- ??

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Is the sun typical of these nearby stars
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No the sun is the biggest star in the universe.
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3 years ago
Dos moléculas de Clorato de Potasio en estado sólido, al aplicarle calor se descompone en dos moléculas de Cloruro de Potasio en
DedPeter [7]

Answer:

2KClO3 (s) -------> 2KCl (s) + 3O2 (g)

Explanation:

Una ecuación de reacción química es una representación simbólica de lo que sucede en un recipiente de reacción.

Al escribir la ecuación de reacción química para una reacción particular, se utilizan los símbolos químicos de todas las especies involucradas.

Por la reacción. en el cual dos moléculas de Clorato de Potasio en estado sólido, al aplicar calor se descompone en dos moléculas de Cloruro de Potasio en estado sólido y tres moléculas diatómicas de Oxígeno en estado gaseoso, la ecuación de reacción se escribe así;

2KClO3 (s) -------> 2KCl (s) + 3O2 (g)

La regla para escribir ecuaciones de reacción química balanceada es que el número de átomos de cada elemento en el lado derecho de la ecuación de reacción debe ser el mismo que el número b de átomos del mismo elemento en el lado izquierdo de la ecuación de reacción.

Si realizamos un conteo de átomos simple en ambos lados de la ecuación de reacción, la regla se cumple

7 0
3 years ago
Which of the following correctly shows the 3 steps of
natka813 [3]

Answer:

D. Evaporating, condensing, collecting

Explanation:

The mixture is first heated so that the liquid needed to be collected can be evaporated into gas. Then, the gas is condensed back to liquid in a condenser. (usually the condenser is supplied with cold running water so speed up the condensation). Then, the liquid is collected after being condensed, in an apparatus such as a conical flask or a water bath.

3 0
3 years ago
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