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2 years ago

In the experiment when both crests combined, this is called _____________ interference.

Chemistry

2 answers:

GrogVix [38]2 years ago

8 0

Answer:

I think that ths answer is either, destructive or constructive

Verizon [17]2 years ago

7 0

Answer:

When the crests or troughs of two interfering waves meet, their amplitudes add together. This principle is known as constructive interference. So, what happens when the crest of one wave meets the trough of another wave? Well, the opposite happens, and it's called destructive interference.

Explanation:

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Which of these methods could are used to separate an insoluble solid and soluble solid

Brilliant_brown [7]

Answer:

To separate an insoluble solid from a soluble solid: Mixing the mixture with water, filtering out the insoluble solid, and then evaporating the water to isolate the soluble solid.

Explanation:

4 0

3 years ago

How does the composition of the nucleus change during fission, fusion, and radioactive decay?

Tresset [83]

Fusion, fission, and radioactive decays of unstable nuclei, involve release or absorption of energy. The total number of neutrons plus protons does not change in any nuclear process. are not conserved, but the total number of protons plus neutrons is conserved.

3 0

3 years ago

Calculate the mass of one atom of zinc in grams. (Hint: g/particle)

USPshnik [31]

Answer: $10.17\times 10^{-23}g$

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given atoms}}{\text{Avogadro's number}}=\frac{1}{6.023\times 10^{23}}=0.16\times 10^{-23}atoms$

1 mole of zinc weighs = 65.38 g

$0.16\times 10^{-23}$ moles of Zinc weigh = $\frac{63.58}{1}\times 0.16\times 10^{-23}=10.17\times 10^{-23}g$

Thus mass of one atom of Zinc weigh $10.17\times 10^{-23}g$

5 0

3 years ago

Organize the following metals from least metallic to most metallic :barium,zinc,iron, and strontium

kolezko [41]

Zinc, Iron, Strontium, Barium

5 0

3 years ago

Give the structures of both 1,2 and 1,4 adducts resulting from reaction of 1 equivalent of hcl with 1,3-pentadiene

GrogVix [38]

1,3-pentadiene has two double bonds which are conjugated, which undergo electrophilic addition reaction on reacting with $HCl$ .

The structure of 1,3-pentadiene is shown in the image.

When strong acid such as $HCl$ reacts with 1,3-pentadiene, the electrophilic addition reaction can occur either on double bond at 1,2-position or at 3,4-position. The reaction that occurs is shown in the image.

3 0

3 years ago