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3 years ago

ASAP LIKE RIGHT NOW What is the frequency of a wave?

Chemistry

2 answers:

maw [93]3 years ago

6 0

Answer:

The number of waves that pass a fixed point in a given amount of time

Explanation:

ivann1987 [24]3 years ago

6 0

It depends on the number of waves that have passed hope this helps!

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In reversible reaction when do forward reactions take place

kari74 [83]

Answer:

that is true. because reversible react is take place in forward and backward reaction

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3 years ago

Hello people ~

Klio2033 [76]

<h3>CHEMISTRY</h3>

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d) Aminobenzene

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3 years ago

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What are some visible signs of an acid-base reaction?

marta [7]

I think one of the signs is <span>water and salt are formed

</span>

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3 years ago

How many atoms are in 22 grams of copper metal?

strojnjashka [21]

Atomic mass Cu = 63.546 a.m.u

63.546 g ---------------- 6.02x10²³ atoms
22 g --------------------- ??

22 x (6.02x10²³ ) / 63.546 => 2.08x10²³ atoms

hope this helps!

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3 years ago

Consider a pot of water at 100 C. If it took 1,048,815 J of energy to vaporize the water and heat it to 135 C, how many grams of

jeka57 [31]

Answer:

There was 450.068g of water in the pot.

Explanation:

Latent heat of vaporisation = 2260 kJ/kg = 2260 J/g = L

Specific Heat of Steam = 2.010 kJ/kg C = 2.010 J/g = s

Let m = x g be the weight of water in the pot.

Energy required to vaporise water = mL = 2260x

Energy required to raise the temperature of water from 100 C to 135 C = msΔT = 70.35x

Total energy required = $2260x+x\times2.010\times(135-100)=2260x+70.35x=2330.35x$

$2330.35x=1048815\\x=450.068g$

Hence, there was 450.068g of water in the pot.

8 0

3 years ago