Questions and answers by

Lucy

Questions (642)

Write the net ionic equation for the reaction between sulfuric acid and potassium hydroxide.I got 2H^+ + 2OH^-1 ==> 2H2O. Is
1. 1 answer
2. 3,435 views
Find the concentration of H3O if the pOH of a solution is 11.700:So far I have: pH= 14.000- pOH which is 14.000-11.700=2.300 pH
1. 2 answers
2. 1,668 views
For a lab, I have to write out the balanced equation for the titration of vinegar (containing acetic acid) with sodium
1. 1 answer
2. 654 views
Okay, I know I asked this before (a while ago), except I lost the link to my original question and the answer to it...What
1. 1 answer
2. 424 views
What mass of sucrose, C12H22O11, is needed to make 500mL of a 0.20M solution?Help please... Thanks.
1. 2 answers
2. 2,980 views
How many milliliters of NH3 (at STP) are needed to react with 45.0 mL of NO2 (at STP) according to the equation:8NO2 (g) + 6NH3
1. 2 answers
2. 1,187 views
What property of liquids and solids is crucial in chromatography?
1. 1 answer
2. 457 views
The graph of a line through (2,3) that is perpendicular to the line with equation x = -1 also goes through which point?How to
1. 3 answers
2. 457 views
How do you factor 12x^2+8x-15? Thanks in advance.
1. 2 answers
2. 457 views
How did The Canterbury Tales (by Geoffrey Chaucer) change the English language?I know it was very successful in Europe and
1. 0 answers
2. 1,359 views
If 0.385 g of a gas occupies a volume of 200mL at minus 73 degrees C and 750 torr, what is the molecular mass of the gas?
1. 3 answers
2. 1,029 views
Well, my assignment is to write a news article on the story of the conflict between Beowulf and Grendel.But one of the criteria
1. 2 answers
2. 695 views
One mole of methane has a mass of 16.0 grams. 1000cm3 of methane have a mass of 0.174 g. What is the correct expression for
1. 1 answer
2. 598 views
I have a 1000 ohm resistor with a measured resistance of .967 how do I use submultiples or mutliples to get it in the SI units?
1. 1 answer
2. 463 views
Solve the inequality: 3[m-4]>6.[]=the straight lines indicating inequality. Thanks for the assistance.
1. 1 answer
2. 484 views
Solve the inequality:3{m-4}>6.The {} equals the inequality signs since I couldn't draw a line on the computer. Thanks.
1. 0 answers
2. 412 views
Two sides of a triangle are equal in length. The length of the third side is three meters less that the sum of the lengthsof the
1. 2 answers
2. 864 views
One number is two less than a second number. If you take one-half of the first number and increase in by the second number, the
1. 1 answer
2. 1,353 views
Identify the graph of the solution set of 8.5>6.1 +0.6y.Would the answer be all numbers 4 and greater? Thanks.
1. 1 answer
2. 474 views
Suppose a piece of lead with a mass of 14.9g at a temperature of 92.5 degrees C is dropped into an insulated container of water.
1. 1 answer
2. 844 views
5.000g / 2.5mL = ?
1. 1 answer
2. 339 views
This is a kind of general question, but I was wondering if you have any tips on successful methods of studying.Also, reducing
1. 2 answers
2. 686 views
I just need help with this one question, and then once I know how to do the steps, I think can do the others.--- The average
1. 2 answers
2. 945 views
Questions about ionic radius...Why do the noble gas elements not have ionic radii? Why do boron, carbon and silicon not have
1. 1 answer
2. 583 views
if a box weigh 2 2/3 pounds. how much will 1 1/3 boxes weigh
1. 3 answers
2. 462 views
What is mechanized recreation?Please and thank you! Mechanized recreation is anything people do for fun that involves any kind
1. 0 answers
2. 783 views
3.
1. 0 answers
2. 260 views
About Cleopatra VII...Why do you think she is so famous? What about her as made her so iconic?
1. 0 answers
2. 686 views
You answered a earlier post on a question for someone with the same question I am trying to answer.The hydrolysis of tocainide
1. 0 answers
2. 636 views
Why was the war in the air a significant battle of WWI? (Three reasons)Also, supporting evidence and examples would be helpful
1. 0 answers
2. 563 views
Please could someone advise me on answering this question. I need to explain why when infrared radiation falls on fluorescent
1. 0 answers
2. 699 views
A drop of oil volume 0.05cm^3 is released from a medicine dropper on to a calm surface of a pond where it spreads out to cover
1. 0 answers
2. 681 views
Why is the colour of the light emitted by an element in its gaseous state characteristic of the element? And why does hydrogen
1. 0 answers
2. 527 views
Please could you tell me if I am going in the right direction.I am trying to write molecular formula for As2O3 I make molecular
1. 0 answers
2. 851 views
Please could someone advise me on how to write a balanced equation for the breakdown off H2SeO3.The solution is dissolved in
1. 0 answers
2. 528 views
She is a very capable black woman.If that is an effort to write a politically correct non-racist sentence, you have nearly
1. 0 answers
2. 651 views
I need to write an essay outline on "phishing."(Phishing is a form of identity theft where a scammer sends someone an email that
1. 0 answers
2. 628 views
What are some clues that someone is being ironic?Others may have different or additional ideas, but the biggest clue to me is
1. 0 answers
2. 540 views
I'm supposed to do a Mini Chapter Presentation for Chapter 4.I need to include a piece of research to explain
1. 0 answers
2. 622 views
Macbeth Questions1. (Act IV, i) The witches' pageant provides Macbeth with some important information but in the cryptic form of
1. 0 answers
2. 600 views
We're supposed to research famous actors who have played the role of Macbeth -- know any?Thanks for your help ^^ Richard Burton?
1. 1 answer
2. 526 views
Explain the conflict between the Tenth Admendment and the Necessary and Proper Clause. How was this conflict resolved in
1. 0 answers
2. 681 views