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If 200 grams of water is to be heated from 24.0 degrees to 100.0 degrees to make a cup of tea, how much heat must be added?
Q = C x m x dT Q = 4.18 x 0.2 x (100 - 24) Q = 73.112 J/g.C
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My hair is just below mid-back length, but I am thinking about cutting it above my shoulders. Can I put it in a ponytail and cut off the main bulk before having it cut to my final length?
Yes you can put your hair into a ponytail and cut off the bulk of it and then clean up the cut. Doing so is a great idea and it...
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On my Facebook page, I see an event from someone I do not know and am not friends with. Why is this here?
Most likely this is an event that one of your friends has invited you to. You can click on the event and reject the invitation if you do not want...
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In your example of ordered pairs x = 2, 4, 6 and y = 1, 2, 3, only the first two a and y values increased by the same constant of 2, yet you said that the example was a direct variation. Why?
It is a "direct variation," because each x value is related identically to the corresponding y value (x = 2y). We call this a direct proportion.
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What if my CD was formatted to be compatible with a CD player? I can't delete the data on the disc, and I tried the steps above, but it won't work.
When you "finalize" the CD to use in other players, it is no longer re-writable.
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You are given the following information about two variables x and y: Mean(x)= 315 and Mean(y)=1,103. Variance(x)=59 and Variance(y)=156. Covariance(x,y)= -54. Calculate the coefficient of correlation between X and Y. Calculate your answer to two decimal places.
This question raises a higher level of statistics than is addressed in this article. It is possible to calculate the correlation coefficient from the means, variance and covariance, without actually...
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Should I use は or わ? For example, in こんにちは, you use は, but in わたし you use わ, but they both have the same sound.
The correct spelling of konnichiwa is こんにちは. In social media posts, you might sometimes see it spelled as こんにちわ, but this is technically incorrect. The two characters don't actually have...
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If I leave my baby tortoise outdoors she gets sunlight, but will the temperature be good in winter? The lowest temperature in my area is 6 degrees at night but plenty of sun during the day. Should i worry?
If you mean 6°C, this is not an ideal situation for a young, growing tortoise overnight, but you can bring it indoors overnight and keep it outside during the day...
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The article says to boil the juice but not to exceed 195 degrees. If I boil it, it will go over 210 degrees. Should I boil it or not?
Generally, the more viscous the liquid, the lower its boiling point. As the article states that the "mosto" that is formed by this process ends up being a syrupy liquid,...
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You said the lye amount would change if you use the oil combination given in your above answer instead of soybean oil. But you did not list how it would change. Can you please clarify that part?
The amount of lye changes because the different types of oil react with sodium hydroxide (lye) either more or less efficiently. The chemical reaction that turns fatty acids and lye...
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