3 years ago

Low frequency waves have longer wavelength true or false

Chemistry

1 answer:

kap26 [50]3 years ago

5 0

Answer:

True

Explanation:

Since the waves have low frequency that means the wavelength is going to be longer. Hope this helps

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Addition of _____________ to pure water causes the greatest increase in conductivity.

SOVA2 [1]

I think it’s an ionic compound? An example is salt because water breaks it up due to the polar bonds.
NaCl = [Na+] + [Cl-]
Those conduct electricity.

7 0

3 years ago

The melting point of unknown substance A is 15°C and its boiling point is 95°C. Sketch a

Igoryamba

Answer:

Idk if this is right but i hope it helps... sorry if it's wrong

Explanation:

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3 years ago

How many water molecules are produced when 5.2g O2 are reacted

gtnhenbr [62]

Answer:

Total number of water molecules produced after the reaction is 1.956×10^22 molecules of water.

Explanation:

By the reaction

H2+ 1/2 O2 → H2O

Moles of O2 = 5.2\32

⇒1 mole of O2 produce 1 mole of H2O

1 mole O2 will produce 2 mole of H2O

Therefore, 5.2\32 mole will produce ${2}\times{\frac{5.2}\times{32}}$

⇒ Molecules of H2O will be

${2}\times{\frac{5.2}{32}}$ = $\frac{x}{{6.02}\times{10^23}}$

= 1.956×10^22 moleculesof H2O.

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3 years ago

Specific Gravity is also known as ______________

Andrej [43]

Relative Density! :)

8 0

3 years ago

Balance the following Equation Show your work.

7nadin3 [17]

Answer:

1) alr balanced

2) 2 2 1

3) 2 1 1 2

4) 2 3 2

5) 2 1 2 1

6) 1 6 2 3

7) 2 2 1

8) 1 2 1 2

9) 2 5 4 6

10) 3 1 2

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3 years ago