Questions Answered

wcaprar:
Group Title
Help spotting my mistake in finding volume by revolution of shells method.
 updated 10 months ago
 4 replies
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frogs29:
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Has anyone done the cabbage titration lab?
 updated one year ago
 3 replies
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toxicsugar22:
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According to the following reaction, how many moles of iron(III) chloride will be formed upon the complete reaction of 22.7 grams of iron wi…
 updated one year ago
 22 replies
 1 Medal

gerryliyana:
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Can you help me ? take a look at the figure below. what does figure mean?
 updated one year ago
 6 replies
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Victoriag629:
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Hi! I am new to this. So how does this work?
 updated one year ago
 6 replies
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Ihm:
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Resonance structures: I'm supposed to find a major resonance structure for the molecule in the picture. I have the curved arrows right but s…
 updated one year ago
 5 replies
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wcaprar:
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What is meant by this calculusish formula (in regards to PV=nRT)
 updated one year ago
 28 replies
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wcaprar:
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I need some physics math help at a calculus level
 updated one year ago
 5 replies
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wcaprar:
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A compound has a pKa of 7.4. To 100mL of a 1.0M solution of this compound @ pH 8.0 is added 30mL of 1.0M HCl. What is the resulting pH?
 updated one year ago
 4 replies
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keeponbleeding:
Group Title
Determining the Empirical Formula of a Tin Oxide
…
 updated one year ago
 3 replies
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wcaprar:
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I need some help with writing a hypothesis. A Hypothesis is supposed to explain why something happens and be an educated guess. In my notes,…
 updated one year ago
 3 replies
 1 Medal

Ruchi.:
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Two particle of mass 1kg and 2kg respectively are initially 10m apart. At t=0,they start moving towards each other with uniform speeds 2m/s …
 updated 2 years ago
 19 replies
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eisengard08:
Group Title
What is the difference between –OH and OH
 updated 2 years ago
 1 reply
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wcaprar:
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Is Potassium Acetate an acidic or basic salt? The answer guide says basic but I don't understand why
 updated 2 years ago
 3 replies
 3 Medals

andrewturko:
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a titration determines the concentration of only an acid by adding a solution of a known volume and concentration...true or false?
 updated 2 years ago
 2 replies
 1 Medal

wcaprar:
Group Title
I just don't seem to be able to understand how to get the second derivative of a parametric equation. Can someone walk me through it?
 updated 2 years ago
 25 replies
 1 Medal

wcaprar:
Group Title
Find the second derivative of the parametric equation.
 updated 2 years ago
 4 replies
 1 Medal

wcaprar:
Group Title
Integrate (x^2+25)^1 from 5 to infinity. How would I do this WITHOUT using tables?
 updated 2 years ago
 6 replies
 1 Medal

wcaprar:
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What is the sum of the infinite series?
 updated 2 years ago
 9 replies
 2 Medals

wcaprar:
Group Title
Calc II Alternating Remainder Estimate Help Needed
 updated 2 years ago
 10 replies
 1 Medal

wcaprar:
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Calc II problem. Sum of a series as a function of x?
 updated 2 years ago
 2 replies
 1 Medal

wcaprar:
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u=sec(3pix) and high limit is 1/9. What is the limit after the change?
 updated 2 years ago
 1 reply
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wcaprar:
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Need help on the next step of this definite integral
 updated 2 years ago
 5 replies
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wcaprar:
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Regarding an OChem lab and melting point
 updated 2 years ago
 2 replies
 1 Medal

wcaprar:
Group Title
How are e and ln related? If I have e^(4x) and x=ln2, where can I go from there? (This is calc related)
 updated 2 years ago
 5 replies
 1 Medal

wcaprar:
Group Title
Calc II Problem w/ integrating Hyperbolic trig function help!
 updated 2 years ago
 2 replies
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wcaprar:
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Integrate: (2x+2)^(1/2)
 updated 2 years ago
 2 replies
 1 Medal

wcaprar:
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Totally having a brain fart here... can you walk me through solving the indefinite integral: sin(2x)+2
 updated 2 years ago
 3 replies
 1 Medal

wcaprar:
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Trying to remember the question properly, but how would I go about solving a problem that goes like this: "A man is dragging a 500N box by a…
 updated 2 years ago
 5 replies
 2 Medals

wcaprar:
Group Title
Buffer solution problem: Calculate the pH of a solution that is 0.30 M in HF and 0.15 M in NaF?
 updated 2 years ago
 5 replies
 2 Medals
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