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prisoha [69]
4 years ago
10

Which property describes observable characteristics of matter like color?

Chemistry
2 answers:
son4ous [18]4 years ago
7 0

Answer:

a, chemical property

Oliga [24]4 years ago
5 0

Which property describes observable characteristics of matter like color? chemical property

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A woman uses 330 Joules of energy to push a box across the floor in 33 seconds. What is her power output in Watts?​
jek_recluse [69]

Answer:

10 watts

Explanation:

Power = Work / Time

Power = 330 J / 33 s

Power = 10 watts

5 0
4 years ago
Read 2 more answers
What is the volume of an oxygen tank if it contains 12 moles of oxygen at 273 K under 75 kPa?
Zina [86]
Given:
n = 12 moles of oxygen
T = 273 K, temperature
p = 75 kPa, pressure

Use the ideal gas law, given by
pV=nRT \\ or \\  V= \frac{nRT}{p}
where
V = volume
R = 8.3145 J/(mol-K), the gas constant

Therefore,
V= \frac{(12\,mol)(8.3145\, \frac{J}{mol-K} )(273\,K)}{75 \times 10^{3} \, Pa}= 0.3632\,m^{3}

Answer: 0.363 m³
    
5 0
4 years ago
4. The vet instructed Manuel to give his
djverab [1.8K]

Answer:

=60 milligrams

Explanation:

12 x 5

=60 milligrams

Have a nice day!!!!!!! :-)

<u>KA</u>

3 0
3 years ago
Cuando realizamos la "Estructura de
sergeinik [125]

Answer:

Electrones de valencia.

Explanation:

¡Hola!

En este caso, dado en química se conocen las estructuras de Lewis como representaciones gráficas de como los elementos están enlazados entre sí, debemos tener en cuenta que estos enlaces se forman entre los electrones de valenciam, los cuales son utilizados para su representación. Se sabe que los electrones de valencia son representados con puntos alrededor del elemento a través de puntos que se unen entre sí y son el número de electrons en la capa más externa de los elementos en cuestión; por ejemplo, cloro tiene 7 electrones de valencia, azufre tiene 6, hidrogeno 1, carbono 4 y así sucesivamente.

¡Saludos!

3 0
3 years ago
I need help with Question 6 (A,B,C)
LenKa [72]
I think the anwser is A but I'm not sure so I might need to get somebody else's opinion like i said I'm sorry if it's wrong
6 0
4 years ago
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