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ollegr [7]
3 years ago
7

Why does salt dissolve faster than baking soda in water?

Chemistry
1 answer:
uranmaximum [27]3 years ago
6 0
Salt dissolves faster because salt and water have similar polarities, which increases dissolution speed.
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You observe 2 waves named alpha and beta. The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz. Base
MAVERICK [17]

Answer:

shorter wavelength = alpha wave

Explanation:

Given that,

The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz.

We need to compare the wavelengths of these two waves.

For alpha wave,

\lambda_1=\dfrac{c}{f_1}\\\\\lambda_1=\dfrac{3\times 10^8}{5}\\\\=6\times 10^7\ m

For beta wave,

\lambda_2=\dfrac{c}{f_2}\\\\\lambda_2=\dfrac{3\times 10^8}{2}\\\\=15\times 10^7\ m

From the above calculations, we find that the wavelength of the alpha wave is shorter than the wavelength of the beta wave.

8 0
3 years ago
A compound contains 1.10 mol of K, 0.55 mol of Te, and 1.65 mol of O. What is the simplest formula of this compound?
sergiy2304 [10]

Answer:

K_2TeO_3

Explanation:

Given that:-

Moles of K = 1.10 moles

Moles of Te = 0.55 moles

Moles of O = 1.65 moles

Taking the simplest ratio of the moles of the elements as:-

   K : Te : O

1.10 : 0.55 : 1.65  

   2 :     1   : 3

Empirical formulas is the simplest or reduced ratio of the elements in the compound. So, the empirical formula is:- K_2TeO_3

6 0
3 years ago
Convert 100 °C into Kelvin
Mice21 [21]

Hey there mate ;)!,

Given : 100°C

To convert to Kelvin scale unit,

Add the Celsius unit with 273.

→ (100+273) K

→<em><u> </u></em><em><u>373 </u></em><em><u>K</u></em>

<em>Therefore</em><em> </em><em>the </em><em>answer</em><em> is</em><em> </em><u>373 Kelvin</u><em> </em><em>or </em><u>373 </u><u>K.</u>

<em>By </em><em>Benjemin</em> ☺️

6 0
3 years ago
Which element is usually found in meteorites?
Mila [183]
Oxygen, and or Nickel
7 0
3 years ago
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A solution has a higher boiling point than its associated pure solvent does.
marta [7]

Answer:

4 boiling point elevation

7 0
3 years ago
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