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Feliz [49]
3 years ago
13

What is the Activation Energy for this reaction?

Physics
2 answers:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

250 kJ

Explanation:

peak of curve

nikitadnepr [17]3 years ago
6 0

Answer:

200kJ

Explanation:

I am pretty sure this is right because it isnt 50kj, that was the answer to my question which was different. My peak started at 150kJ, went up to 200, then dropped to 50kj, leading into my reasoning for my answer.

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Where do you find cations on the periodic table
saw5 [17]

Answer:

Explanation:

The electronic configuration of many ions is that if a closes noble gas to them in a periodic  table.

An Anion is a ion that has gained one or more electron, acquiring a negative charge.

A Cation is a ion that has lost one or more electron, gaining a positive charge.

5 0
3 years ago
The asteroid 2007 VK184 has one chance in 2940 of hitting the Earth between the years 2048 and 2057. The asteroid is 130 meters
N76 [4]

Answer:

 The average death rate for this type of event is closest to 350 people per event.

Explanation:

Between the years 2048 and 2057

Is 10 years. Since there is only one chance of event between these years, there is no point to consider it.

The total number of events = 2940 chances.

average death rate per event = total number of dead people divided by total number of events of occurrence.

1000000/2940 = 340.134

The average death rate for this type of event is therefore closest to 350 people per event

4 0
2 years ago
What three things are needed for a mechanical wave
dedylja [7]

Search Results

Featured snippet from the web

Mechanical waves move energy through a medium by vibrating particles. Mechanical waves can't move energy through a vacuum because there is no matter inside of a vacuum. The three types of mechanical waves are transverse waves, surface waves, and longitudinal waves.

8 0
3 years ago
Question 1 of 10
Novay_Z [31]

Answer:

C. 5.6 × 10^11 N/C

Explanation:

The electric field E at a distance R from a charge Q is given by

E = k\dfrac{Q}{R^2}

where k = 9*10^9Nm/C is the coulomb's constant.

Now, in our case

R = 0.0075m

Q = 0.0035C;

therefore,

E = (9*10^9)\dfrac{0.0035C}{(0.0075m)^2}

\boxed{E = 5.6*10^{11}N/C.}

which is choice C from the options given<em> (at least it resembles it).</em>

6 0
3 years ago
A boy is running to the east and jumps into a stationary boat in a lake. Once the boy lands in the boat, the boat moves to the e
Hunter-Best [27]
<span>The initial momentum of the boy is equal to the boy/boat because the final velocity of the boat is less than the initial velocity of the boy.</span>
4 0
3 years ago
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