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What does it mean by 'What does it mean for a substance to be an insulator (5 points)' I have an assignment where I have to answer some questions and this is one. I really really need help with this!?
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How would you find the relative melting points of a group of substance?
Look at all of the different substances melting points and find the average
The stronger the intermolecular forces in a substance?
The stronger the forces the stronger the attraction between the molecules in the substance. This will tend to increase the temperature of phase changes, melting and boiling points.
What is the boiling point of any substance?
different substances have different boiling points, a main reference to boiling points is the boiling point of water (H2O) which is 100 degrees Celsius
Why do impurities lower the boiling point of a pure substance?
The presence of the impurities will cause the boiling points to rise (also the melting points to fall). When you add the impurities, the substance doesn't remain pure affecting the boiling point to increase because now, more energy is required to boil the liquid with impurities. The melting points fall because impure substances require less energy to separate the particles.
The separation of petroleum into components based on their boiling points is accomplished by?
the answer is fractional distillation because there are many different substances in the crude oil. each of them has different melting points, boiling points, freezing points and so on (different physical properties). therefore, if you heat them up, each of them may evaporate at a different temperature. you can then collect the oil substance if you can control the temperature at a certain range. cracking and melting are used for solid substance, not liquid based polymerization is a chemical reaction, which will not help you separate the matters.
How many percent is 50 points on a assignment?
You need to know the total available points. 50 out of 100 points is 50%. 50 out of 80 points is 62.5%
How do you use obliquely in a sentence?
The girl got points off from her homework assignment because her sentences were obliquely written.
What is the difference between freezing and boiling points on a Fahrenheit scale?
The difference between the freezing and boiling points vary from substance to substance.
What does it mean when your homework says do research on the subtopic?
When school homwwork says to do research on the subtopic, it means to look the subtopic up in reputable sources and find information about it. It would be a good idea to take notes of important points and to record where that information came from. The subtopic could be anything and should have been given to you or chosen by you and approved by your teacher before the assignment was given. If you have questions about the assignment, you should ask your teacher when the assignment is given.
How many questions does an AR test have?
10 questions normally for books with 19 and under points 20 questions for books worth 20 and over points!
What is this website and how do you get points fast?
This website provides answers to most of your questions. To earn points you simply need to answer questions that are given
How many points a piece for 8 questions on a test?
If all the questions are worth the same and the whole test is 100 points, then each question is worth 12.5 points
How many questions and points does shsat test has?
95 questions 100 raw points scrambled paragraphs - 5 questions, 2 points ea. logical reasoning - 10 questions, 1 points ea. reading - 30 questions, 1 points ea. total - 45 questions, 50 points max. math - 50 questions, 50 points ea. However, your admissions is not based on the raw score alone (#right/100). It is calculated into a curve of a xy graph, and i only know 2 people outside of the NYC dept of education that have the 2009 curve. Nationwide in Flushing, and a certain Jet Chaw who teaches there.
How can you get easy trust points?
Answer questions.
How could I get points money?
Answer questions
45 correct out of 50 questions on a test what would be your score?
If you have 100 points and 50 questions, you take 100 points divided by 50 questions, so you can see how many points each question is, which would be 2 points per question. If you got 45 questions right, multiple 45 by 2 and you get 90%.
What is each question worth if your teacher is giving a test worth 100 points containing 40 questions?
100 points --------------- = 2.5 points per question 40 questions
