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2 years ago

Select the compound that is soluble in water?

Chemistry

1 answer:

Aliun [14]2 years ago

6 0

Answer:

NaOH

Explanation:

NaOH is among the water soluble bases

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What is the wavelength of an electron with a mass of 9.109×10−31 kg and a velocity of 3.43×107 ms? Use 6.626×10−34kg m2s for Pla

anyanavicka [17]

<u>Answer:</u> The wavelength of an electron is $2.121\times 10^{-11}m$

<u>Explanation:</u>

To calculate the wavelength of a particle, we use the equation given by De-Broglie's wavelength, which is:

$\lambda=\frac{h}{mv}$

where,

$\lambda$ = De-Broglie's wavelength = ?

h = Planck's constant = $6.626\times 10^{-34}Js$

m = mass of electron = $9.109\times 10^{-31}kg$

v = velocity of electron = $3.43\times 10^{7}m/s$

Putting values in above equation, we get:

$\lambda=\frac{6.626\times 10^{-34}Js}{(9.109\times 10^{-31}kg)\times (3.43\times 10^{7}m/s)}$

$\lambda=2.121\times 10^{-11}m$

Hence, the wavelength of an electron is $2.121\times 10^{-11}m$

6 0

3 years ago

What are examples of a Theory ?

galina1969 [7]

Paradoxes and Russell's Type Theories.

Simple Type Theory and the λ -Calculus.

Ramified Hierarchy and Impredicative Principles.

Type Theory/Set Theory.

Type Theory/Category Theory.

Extensions of Type System, Polymorphism, Paradoxes.

Univalent Foundations.

6 0

3 years ago

If an equilibrium mixture of the three gases at 600K contains 2.92*10^-2 M COCH(g) and 1.76*10^2 M CO, what is the equilibrium

Vlad [161]

Answer:

Explanation:

7 0

3 years ago

Which of the following is evidence that groundwater cause erosion and deposition

defon

Answer:You didn't provide examples

Explanation: Groundwater can cause erosion under the surface as it moves through the soil. During the movement an acid is formed which what causes erosion and deposition.

Hope that helps

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2 years ago

How many truck stop by the store on Wednesday

siniylev [52]

Answer:

More information so I can answer please.

Explanation:

7 0

2 years ago