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statuscvo [17]
3 years ago
14

What is the speed of a wave with a wavelength of 3 m and a frequency of .1 Hz?

Chemistry
1 answer:
ratelena [41]3 years ago
3 0

Answer:

wave velocity= frequency × wave length

=1×3

=3m/s

Explanation:

The distance covered by the wave in one second is equal to its wavelength, therefore,

wave velocity=wavelength/time period

OR wave velocity= frequency× wavelength

You can assume velocity as speed here.

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A molecule consisting of more than one element that are chemically combined.
BaLLatris [955]

Answer:

compound, but I could be wrong

4 0
3 years ago
Calculate the mass of sodium azide required to decompose and produce 2.104 moles of nitrogen. Refer to the periodic table to get
Alexxx [7]

91 grams of sodium azide required to decompose and produce 2.104 moles of nitrogen.

Explanation:

2NaN3======2Na+3N2

This  is the balanced equation for the decomposition and production of sodium azide required to produce nitrogen.

From the equation:

2 moles of NaNO3 will undergo decomposition to produce 3 moles of nitrogen.

In the question moles of nitrogen produced is given as 2.104 moles

so,

From the stoichiometry,

3N2/2NaN3=2.104/x

= 3/2=2.104/x

3x= 2*2.104

   = 1.4 moles

So, 1.4 moles of sodium azide will be required to decompose to produce 2.104 moles of nitrogen.

From the formula

no of moles=mass/atomic mass

        mass=no of moles*atomic mass

                   1.4*65

               = 91 grams of sodium azide required to decompose and produce 2.104 moles of nitrogen.

4 0
3 years ago
Which substance is a binary compound?
AysviL [449]
A binary compound is a compound that contain two different chemical elements in it. These compounds may be molecular or may also exist in other forms such as solid. In this case Barium and Beryllium are not binary compounds since they are independent elements, Calcium hydroxide is also not a binary compound since it has more than two chemical elements. Therefore,carbon dioxide is the binary compound since it contains two chemical elements ( carbon and oxygen)
4 0
3 years ago
Read 2 more answers
(100 points) Imagine that the ability to cool materials down to below 200 K (–100° F) was not discovered until 1950. Which techn
umka2103 [35]

Answer: (D) Superconductivity

Explanation: Edge 2021

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3 years ago
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The mixture of sodium bicarbonate (a base) with nitric acid (an acid) produces a salt and water. This type of reaction is known
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Neutralization I think
7 0
3 years ago
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