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siniylev [52]
3 years ago
6

How Many Significant Figures are there in 505

Chemistry
1 answer:
cupoosta [38]3 years ago
7 0

Answer:

there are three significant digits.

Explanation:

Thus,  21.8, 0.283 and 567 all have three significant digits. 2. Zeros appearing between non-zero digits are significant. Thus, 505 and 0.206 have three significant digits, while 50,005 has five significant digits.   (from google)

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Elemental sulfur is one of the products of the gas-phase reaction of nitric acid and hydrogen sulfide. The other
Goshia [24]

Answer:

The manufacturing processes for liquefied petroleum gas are designed so that the majority, if not all, of the sulfur compounds are removed. The total sulfur level is therefore considerably lower than for other crude oil-based fuels and a maximum limit for sulfur content helps to define the product more completely. The sulfur compounds that are mainly responsible for corrosion are hydrogen sulfide, carbonyl sulfide and, sometimes, elemental sulfur. Hydrogen sulfide and mercaptans have distinctive unpleasant odors. A control of the total sulfur content, hydrogen sulfide and mercaptans ensures that the product is not corrosive or nauseating. Stipulating a satisfactory copper strip test further ensures the control of the corrosion.

8 0
3 years ago
The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of...
Aleksandr-060686 [28]

Answer: increasing frequency or energy and decreasing wavelength.

Explanation:

Electromagnetic wave is defined as the wave which is associated with both electrical and magnetic component associated with them. They can travel in vacuum as well and travel with the speed of light i.e  

The electromagnetic spectra consist of radio waves, microwaves, infrared ,Visible , ultraviolet, X rays and gamma rays arranged in order of increasing frequency or increasing energy and decreasing wavelengths.

8 0
3 years ago
Aplica el método científico. Toma en cuenta que el desplazamiento de un vehiculo , el paso de la electricidad por los cables la
Daniel [21]

Answer:

Revisa con detalle la explicación.

Explanation:

¡Hola!

En este caso, debemos tener en cuenta que los pasos básicos del método científico son:

- Observación.

- Experimentación.

- Registro de datos.

- Análisis.

- Conclusiones

Para el primer caso (desplazamiento de un vehiculo), consideramos la primera ley de Newton o también ley de inercia en la cual explica que un cuerpo se mantendrá en reposo o en constante movimiento hasta el momento en que se aplica una fuerza externa.

Con los pasos del método científico encontramos que para el desplazamiento de un vehiculo se encuentra inicialmente en reposo pero luego se aplica una fuerza que hace que se mueva. Luego para la experimentación, se realiza un experimento con un carro de juguete (por ejemplo) inicialmente en reposo y al que se le aplica una fuerza para moverlo, con lo que se realiza el análisis y finalmente se obtiene la conclusión a la que llegó Newton.

Paso de electricidad: cuando se observa que hay algún dispositivo encendido, es posible usar un voltímetro para comprobar dicho paso por medio de mediciones.

Combustion del papel: cuando se enciende un trozo de papel con fuego y se observa que convierte en ceniza, es posible realizar el experimento con el fin de llegar a la conclusión de que al reaccionar con oxígeno, cambia la escructura de la celulosa a carbon, dióxido de carbono, agua y otros residuos.

Asimismo, al llevar a cabo experimentos de coagulación de la sangre en una herida y como los nutrientes obtenidos de los alimentos se convierten en energía para nosotros, podemos llegar a las conclusiones de que la sangre se coagula debido la existencia de plaquetas y que los alimentos se convierten en energía a partir de las enzimas que tenemos dentro de las células que los degradan en glucosa y lípidos reutilizables.

¡Saludos!

8 0
4 years ago
Which of the following expands to fill the container it is in, but can be compressed to a smaller volume when pressure is applie
Andrew [12]
Oxygen gas expands in a container and when pressure is applied it liquifies and occupies a smaller volume

hope that helps  <span />
3 0
3 years ago
Read 2 more answers
the molar mass of glucose is 180.1548 grams and that of carbon dioxide is 44.01 grams. calculate the mass in grams of CO2 requir
Gemiola [76]
To produce glucose from carbon dioxide, 6 moles of carbon dioxide are required per mole of glucose.
Mass of carbon dioxide required:
6 x 44.01
= 264.06 grams
6 0
4 years ago
Read 2 more answers
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