153 Answered Questions for the topic ACT Science
10/09/24
What are the differences between the SAT and the ACT, and what are the Pros and Cons of taking each?
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07/11/24
How can I improve on the ACT Reading section?
Will it help me, for example, to read lots of literature and high-quality articles? Should I work on improving my "speed-reading" skills? What can I do to beat the time limits? What kinds of...
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Act Science
07/11/24
How can I improve on the ACT Science section?
What subjects are tested? Are there specific skills and concepts that are particularly important?
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Act Science
04/01/24
Unable to schedule tutor
I am trying to schedule with a tutor and I keep getting this when I submit “Check your email in another browser window and click the link to verify your account, then come back here to contact your...
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03/23/24
Tricky interesting physics problem about magnetism
Can someone please help in finding a solution? I've never solved a problem like this one and it seems interesting but I can't get my head around it.The problem goes like this:The interacting...
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Please help with this magnet physics problem
On the internet, I came across an interesting physics problem. Can you help with this:The weight of a small, flat refrigerator magnet is "M". We place the magnet on the refrigerator's vertical...
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Coaxial cable-physics problem
Please help with this problem.Problem:Power P is transmitted over a distance D on a coaxial cable. The radius of the cable's inner conductor with negligible resistance is Ri, and the radius of the...
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Chemistry: half reaction problem
How much of H2SO4 will be produced after oxydizing 2 kg of pyrite FeS2, which has mass part of iron sulfide of 95.2%.Subsequently, how many litres of 5 mol/l KOH do we need to neutralize the...
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Chemical reaction problem
A piece of CaCO3 is put into a 1 litre (l) of 1.1 mol/l HCl solution. After whole CaCO3 dissolved, 10 ml of the resulting solution was being titrated with 1.08 mol/l NaOH solution. 1.69 ml of NaOH...
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Question about Li2CO3
How do you get Li2CO3 from an ore containing LiCl. What are the exact ways to extract Li2CO3 in this way? And secondly, after you extract Li2CO3, how do you prove/make sure it is Li2CO3 (any...
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03/19/23
Ideal gas law question
The pistons of two identical cylinders are rigidly connected to each other. The cylinders contain the same amount of the same heated gas. Suppose that one cylinder is heated and the other is...
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