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creativ13 [48]
3 years ago
13

Let’s say you try to get crafty. Instead of directly heating your carbontetrachloride with the Bunsen Burner, you decide it woul

d be better to drop in a hot chunk of thorium (d = 11.724 g/mL , c = 0.12 J/g*K ) metal. If you have a 29.848 g chunk of thorium, how hot (in K) must you heat the thorium in order for the chunk of metal to have enough energy to heat a 1.027 mL sample of carbontetrachloride at room temperature (298 K) to it's boiling temperature?

Chemistry
1 answer:
sergejj [24]3 years ago
5 0

Explanation:

Below is an attachment containing the solution.

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Is my answer correct?
ioda
Yes you are right .. X is undergoing a change from solid to gas at point E
7 0
3 years ago
Read 2 more answers
Demonstrate In A Brief Paragraph How The Search To Explain Planetary Orbits Exemplifies The Scientific Method
Sveta_85 [38]

People firstly believe that the planets move in a circular orbit until Newton came up with his hypothesis by inventing calculus so that we could understood and calculated planetary orbits and their accuracy.

<u>Explanation:</u>

  • Everyone assumed the planets were perfect circles until Newton came up with an idea. Slowly people would make maps of the orbits that added circles on circles, and they could never really explain about the movement of the planet. They simply say that planets move on circles but they lacked the math to explain or prove it. Then Newton came up with an idea of inventing calculus so that we could understood and calculated planetary orbits and their accuracy.
  • Firstly people used their observations and say that the orbits looked like circles, then they developed their models and did the math, and proposed their hypothesizes which were wrong, until Newton came along and tried to match a model that used elliptical orbits and invented the math that allowed him to make predictions with it. His model worked for most planets.
  • However he could not explain about the planet Mercury for instance since it was a very strange orbit. Then after the Einstein's theory of General Relativity he could also explain very deeply about it.
  • Scientists and Astronomers made hypothesizes that there was another planet orbiting too close to the sun to see with telescopes, called Vulcan, that explained mercury's orbit before Einstein's theory. Then long after we had telescopes which was good enough to see if there was a planet orbiting closer to the sun than mercury.  
8 0
3 years ago
Which describes the flow of energy in a food chain? (Which food chain makes sense) A. Sun--&gt;Grass--&gt;Mouse--&gt;Snake B. Gr
zheka24 [161]
A. would be the best answer to the question
4 0
3 years ago
Spell out the full name of the compound.
Natalka [10]

Explanation:

Step one look for the longest chain of carbon atoms

Longest chain is 7 C atoms

Step 2 look for double bonds or others functional groups

it is present in 3rd carbon

Therefore IUPAC name is 3-heptene

From point of stereochemistry it can also be written as trans-3-heptene as the hydrogens are placed in opposite side of the C=C bond.

Hope this helps...

3 0
3 years ago
What is the average speed of particle in a gas at room temperature? Why is temperature an important variable?
Karo-lina-s [1.5K]
I am not sure about the first question but the temperature has an important role in this situation because as the temp goes up particles moves at a faster speed and spread out every where.
6 0
3 years ago
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