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marin [14]
3 years ago
12

If you mix bacteria with milk what do you make?

Chemistry
1 answer:
son4ous [18]3 years ago
8 0
You would probably make yogurt
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Calculate wavelength in metres and nanometers of green light whose frequency is 5.7 x 10^14 Hz.
Nookie1986 [14]

Answer:

5.3 x 10⁻⁷ m

Explanation:

Data Given

frequency = 5.7 x 10¹⁴ Hz.

Convert Hz to per seconds (s⁻¹)

1 Hz = 1 s⁻¹

5.7 x 10¹⁴ Hz = 1 x 5.7 x 10¹⁴ = 5.7 x 10¹⁴ s⁻¹

wavelength =?

Solution:

Formula used to calculate wavelength

      f = c/λ

rearrange the above equation

               λ = c/f ........(1)

Where:

c = speed of light = 3 x 10⁸ ms⁻¹

λ= wavelength

put the values in above equation 1

   λ = 3 x 10⁸ ms⁻¹ / 5.7 x 10¹⁴ s⁻¹

   λ = 5.3 x 10⁻⁷ m

So the wavelength of light =  5.3 x 10⁻⁷ m

7 0
3 years ago
Why is aluminium used to make outer covering of aeroplane?
iogann1982 [59]

Answer:

Aluminum is ideal for aircraft manufacture because it's lightweight and strong. Aluminum is roughly a third the weight of steel, allowing an aircraft to carry more weight and or become more fuel efficient. Furthermore, aluminum's high resistance to corrosion ensures the safety of the aircraft and its passengers.

Explanation:

8 0
3 years ago
Determine the chemical formula of each compound and then use it to calculate the mass percent composition of each constituent el
algol [13]
For example
Na2CO3
[na=23 o=16c=12]
2x23+12
+16x3
46+12+48
106
%comp of Na=46/110x106=44%
%comp of C =12/110x106=12%
% comp o O=48/110x106= 46%
5 0
4 years ago
Clouds form when water vapor in the air condenses to form liquid water or ice crystals.
Gnoma [55]
Hey there!

I think it's true

Hope this helps!

Always remember, you are a Work Of Art! 
- Nicole <3 :)
6 0
3 years ago
¿Cuál es la velocidad de un electrón que gira en la órbita n=2 en un átomo de cobre?
Marrrta [24]

Answer:Estructura de la materia, átomo de hidrógeno, modelo de Bohr. ... Esto significaba que el electrón no puede tener cualquier velocidad, y por lo ... Despejando el valor del radio de la órbita del electrón en el primer postulado de ... ecuación (10) cuando n = 1; el segundo r2 para n = 2; el tercero r3 para n = 3

Explanation:

7 0
3 years ago
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