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3 years ago

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

→ 373 K

Therefore the answer is 373 Kelvin or 373 K.

By Benjemin ☺️

6 0

3 years ago

Which element is usually found in meteorites?

Mila [183]

Oxygen, and or Nickel

7 0

3 years ago

Read 2 more answers

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