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3 years ago

Which statements describe the Richter scale?

Chemistry

2 answers:

astra-53 [7]3 years ago

8 0

Answer:

1. It gauges fault movement during an earthquake.

4. It increases in magnitude as amount of damage increases.

5. It determines an earthquake’s magnitude based on the size of its seismic waves.

I JUST TOOK THE TEST AND IT'S CORRECT!

AleksandrR [38]3 years ago

5 0

Answer: what are the statements dude? but i'll just give you this...........It measures large earthquakes far from the seismograph. It estimates the total energy released from an earthquake. It increases in magnitude as amount of damage increases. It determines an earthquake's magnitude based on the size of its seismic waves.

Explanation:

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How many total electrons are in a Sr2 ion?

MrRissso [65]

Sr2 has 36 electrons in total.

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4 years ago

Br NaOCH2CH3 + CH3CH-OH + NaBr CH3 CH3 a. Identify the mechanism of the reaction. b. Suggest steps for the mechanism of this rea

Ulleksa [173]

Answer:

a) The mechanism of the reaction is the Elimination Bimolecular or E2.

b) Steps for the mechanism of this reaction is given as follows,

c) Reaction rate = K[Organic compound][ $NaoCH_{2} CH_{3}$ ].

Explanation:

a) The mechanism of the reaction is the Elimination Bimolecular or E2.

c) This is an E2 reaction, so it depends on the concentration of both substrate and reactant. If we increase the concentration of $NaoCH_{2} CH_{3}$ , the reaction rate will be increased.

Reaction rate = K[Organic compound][ $NaoCH_{2} CH_{3}$ ].

b) Steps for the mechanism of this reaction is given as follows,

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3 years ago

Which of these locations is NOT a main-oil producing region for the United States?

Makovka662 [10]

I believe the answer is D

5 0

4 years ago

Read 2 more answers

For the following reactions, write a balanced equation using half-reactions and calculate the voltage to be expected.

Iteru [2.4K]

a) $2Na(s) +2H_2O(I)$ → $2Na^+(aq) + OH^-(aq)+ H_2(g)$

b) $2Ag (s) +2H^(aq)$ → $2 Ag^+ (aq) +H_2(g)$

<h3>What are half-reactions?</h3>

The half-reaction method is a way to balance redox reactions. It involves breaking the overall equation down into an oxidation part and a reduction part.

$2Na(s) +2H_2O(I)$ → $2Na^+(aq) + OH^-(aq)+ H_2(g)$

$E^0 cell = E^0 (reduction) - E^0 (oxidation)$

= $E^0(\frac{H_2O}{H_2}, OH^-) -E^0(Na^+/Na)$

= -0.83 - (-2.71) =1.88V

$2Ag (s) +2H^(aq)$ → $2 Ag^+ (aq) +H_2(g)$

$E^0cell$ = $E^0(H^+/H_2) -E^0(Ag^+/Ag)$

$E^0cell$ =-0. - (0.8) =-0.8V

Learn more about the half-reactions here:

https://brainly.in/question/18053421

#SPJ1

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2 years ago

Why was a condenser not necessary in the final distillation

Travka [436]

Answer:Methyl benzoate has a very high boiling point i.e. 199°C.Therefore a water-cooled condenser is not advisable as it might crack the condenser tube.So in such cases air condenser tube is normally used for such distillation procedure.

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4 years ago