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Christine

Questions and answers by visitors named Christine

Questions (264)

Which type of intermolecular forces would be expected in a sample of F2 gas?a. London forces, dipole interactions, and ionic
1. 5 answers
2. 4,384 views
What is the solubility of PbI2 in 0.4 M KI given the solubility constant of PbI2 is 7.1 x 10-9a. 3.5 x 10-3 M b. 1.2 x 10-3 M c.
1. 6 answers
2. 3,222 views
Which of the following gases would be most likely to experience ideal behavior at high pressures?a. F2 b. Ne c. C2H6 I think the
1. 5 answers
2. 2,206 views
If K > 1 at 25°C and 1 atm of pressure, then which statement is true about the reaction's equilibrium?a. There is always more
1. 5 answers
2. 2,619 views
Using the information below, which answer lists the salts in order of increasing solubility?PbSO4 Ksp = 1.6 x 10^-8 PbS Ksp = 8
1. 4 answers
2. 908 views
In the chemical reaction where N2O4(g) is converted to 2NO2(g), if 0.5 M N2O4 and 0.15 M NO2 are present in the vessel, is the
1. 5 answers
2. 2,688 views
You have the following acids and their conjugate bases available:Acetic Acid: CH 3COOH/CH3COO-; Ka = 1.8 × 10-5 Carbonic Acid:
1. 7 answers
2. 2,325 views
Given the following acid dissociation constants, which acid has the strongest conjugate base?a. HCN Ka = 6.2 x 10-10 b. HOCl Ka
1. 5 answers
2. 2,211 views
Reaction: 1/2N2 + 3/2H2 --> NH3Delta H = -46Kj/mol 1) Find delta H n(NH3)formed=5 mol. M(NH3=8.5g) 2) Find delta H a)3 mol H2 +
1. 4 answers
2. 594 views
a rectangle has a perimeter equal to circumference of a circle of radius 3. if the width of the rectangle is 3, what is the
1. 4 answers
2. 877 views
if anthony had 3 times as many marbles as he actually has, he would have 1/3 as many marbles as Billy has. what is the ratio of
1. 3 answers
2. 1,037 views
two cylindrical tanks have the same height, but the radius of one tank equals the diameter of the other. if the volume of the
1. 3 answers
2. 1,177 views
if A (2, -1) and B (4,7) are endpoints of a diameter of a circle, what is the area of the circle?a)16pi b) 17pi c) 18pi d)144pi
1. 1 answer
2. 605 views
there are 12 men on a basketball team, and in a game 5 of them play at any one time. if the game is 1 hr long and if each man
1. 3 answers
2. 2,621 views
If a and b are positive integers and their product is 3 times their sum, what is the value of 1/a + 1/b?Given that ab = 3(a +
1. 4 answers
2. 2,472 views
please correct this sentence:the reason i A) WILL not be going to mexico is C)BECAUSE i will use up all my money D)IN ATTENDING
1. 1 answer
2. 562 views
please correct this sentence:A)HOPEFULLY, we B)WILL BE able to complete the building C)BEFORE the rainy seas sets D)IN. E)NO
1. 1 answer
2. 621 views
Please help me out with this:You have just located a nucleolus in the nucleus. You are able to excise thsi area of the genome
1. 1 answer
2. 542 views
Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to
1. 1 answer
2. 579 views
You have just located a nucleolus in the nucleus. You are able to excise this area of the genome and express the genes of this
1. 1 answer
2. 445 views
Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to
1. 1 answer
2. 1,192 views
A rocketship, travelling away from earth with a speed of 0.8c, sends regular radio signals which are received on Earth every
1. 1 answer
2. 407 views
I have a few questions.1. write the net ionic equation for a precipitate when solutions of magnesium nitrate and potassium
1. 1 answer
2. 922 views
What is the role of energy in physical changes?Please and thank you!!!
1. 1 answer
2. 300 views
does tofu have any naturally occuring bacteria in it? When I incubated the tofu juice, a white bacteria grew, but I can't find
1. 1 answer
2. 564 views
You inherit $18750 but the conditions are that for the first year, the money must be invested in two stocks paying 10% and 11%
1. 1 answer
2. 404 views
The rate law for the reaction2NO (g) + Cl2 (g) -> 2NOCl (g) is given by rate = k[NO][Cl2] A mechanism involving the following
1. 5 answers
2. 3,865 views
What was so bad about pools in the late 1800's? I understand what they were but they were banned by the government in the
1. 1 answer
2. 419 views
First of all, thank you SO much for clarifying my question! It is part of an overall essay topic that I can't figure out how to
1. 1 answer
2. 553 views
The act of communication is best understood as one that has social implications.Explain brieflyPlease note that <b>we don't do
1. 1 answer
2. 473 views
what is meant by persuasive communication?Explain breiflyI've clicked through a few and have only seen what seem to be a lot of
1. 1 answer
2. 928 views
Briefly explain the following:(a)Economic cost and accounting cost. (b)Free market economy and mixed economy. (c)Marginal
1. 1 answer
2. 597 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
1. 1 answer
2. 574 views
A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium
1. 1 answer
2. 706 views
calculate the molarity of k+ in a soln prepared by adding .2L of .200M K3PO4 and 75.0mL of .5M K3PO4. assume volumes are
1. 1 answer
2. 616 views
Are the commas a correctly placed?1. The term hardware refers to the computing equipment, itself. 2. The year, 1975, marked the
1. 2 answers
2. 524 views
find eq constant at 910K. CCl4 (g)--> <--CCl4(l)given: Gf CCl4(g)= -53.7 Gf CCl4(l)= -68.6 G Products - G reactants = Delta G.
1. 1 answer
2. 536 views
what's the pH ofthe acid HCl with concentration of .15? the acid HC2H3O2 with concentration of .15? I figured out the pH of HCl,
1. 2 answers
2. 494 views
how much .10M Base (in mL) is needed to neutralize 8.00mL of .10M Acid?base- NaOH, acid- HCl, base volume (mL)- ? base- NaOH,
1. 1 answer
2. 1,073 views
What is the pH of the solution created by combining 1.00 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?with 8.00
1. 1 answer
2. 528 views
i posted this question previously and got help however im still having some confusion. can u clarify ?what's the pH of the acid
1. 1 answer
2. 448 views
In the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water,the oxidizing agent
1. 4 answers
2. 2,823 views
How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion inacidic solution to form iron (III)
1. 1 answer
2. 438 views
Write a net ionic equation for the reaction of the aqueous species ammonia and hydrofluoric acid.I don't think mine is coming
1. 3 answers
2. 2,354 views
1) What is the relationship between an ecozones GDP and area?2) What is the relationship between an ecozones GDP AND population?
1. 2 answers
2. 547 views
John Sullivan owns appartments buildings in Nova Scotia, New Brunswick, and Quebec. Each property has a manager who collects
1. 1 answer
2. 439 views
On a recent trip to Brazil, Carlo degas, sales manager of cyber systems, took his along for a vacation and included her airfare
1. 1 answer
2. 742 views
Gorries Bearing Company makes all sales of industrial bearings under terms of FOB shipping point. The Company usually receives
1. 1 answer
2. 460 views
Discount Hardware Wishes to expand its business and has borrowed $200,000 from the Toronto Dominion Bank. As a condition for
1. 1 answer
2. 1,129 views
How can I re-write this sentence? Each advisor was contacted by his students.Assignment: Inclusive Language:Making Language
1. 1 answer
2. 426 views
I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we
1. 1 answer
2. 1,131 views
What processes must a stone undergo if it is to be made ready for use in jewelry?
1. 2 answers
2. 718 views
The portion of string between the bridge and upper end of the fingerboard (the part of the string that is free to vibrate) of a
1. 1 answer
2. 923 views
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.90
1. 3 answers
2. 841 views
What is the vertical asymptote of the function: f(x)= (X+5)/((X^2)-12X+36)
1. 1 answer
2. 307 views
Radius of the circle: ((X-4)^2)+((y+2)^2)-81=0
1. 3 answers
2. 274 views
When calculating percentiles, ie the 33rd percentile, do you use the lower limit of the group that contains the 33rdpercentile?
1. 3 answers
2. 458 views
how can i write really good song lyrics? i suck at writing! can someone help or better yet, give me a verse to work with? thnaks
1. 4 answers
2. 476 views
Can you tell me the z score for the following numbers?10, 12, 16, 18, 19, 21. Thanks, I am getting the wrong answer each time I
1. 1 answer
2. 444 views
What is the median in the following set of values?4, 7, 19, 22, 27, 39, 47
1. 1 answer
2. 357 views
solve the following differential equation:y' + (y)tanh(x) - 2e^x = 0
1. 1 answer
2. 404 views
you have 8 blue marbles, 7 red marbles, and 5 green marbles. What is the probability of obtaining at least 2 red marbles in
1. 5 answers
2. 746 views
I thought I was understanding this but I am really not sure about the symbols.Does the 3*(13/20)^2*(7/20) translate to 3 times
1. 2 answers
2. 497 views
A student is taking a multiple-choice exam with 16 questions. Each question has five alternatives. If the student guesses on 12
1. 4 answers
2. 2,234 views
Why is it important to know the possible errors we might make when rejecting or failing to reject the null hypothesis?
1. 3 answers
2. 527 views
Does the null hypothesis for a nondirectional alternative hypothesis differ from the null hypothesis for a directional
1. 2 answers
2. 670 views
Why isnt an ant suture not a good idea?
1. 4 answers
2. 316 views
A long distance swimmer is able to swim through still water at 4km/hr. She wishes to swim from Port Angeles, WA due north to
1. 2 answers
2. 1,061 views
what are the consequences if payroll information is not entered precisely?
1. 1 answer
2. 325 views
What are ten scientific facts found in Jurassic park? Include page numbers for reference.
1. 3 answers
2. 385 views
The path around a square flower bed is 3 feet wide. If the area of the flower bed is equal to the area of the path, find the
1. 2 answers
2. 562 views
How bright a star appears can depend on how much light the star actually emits and how far away it is. The stellar magnitude
1. 3 answers
2. 928 views
I just have a quick question regarding this question:Simplify. State any restrictions on the variables.
1. 3 answers
2. 607 views
The dimensions of a gift box are consecutive positive integers such that the height is the least integer and the length is the
1. 4 answers
2. 3,435 views
A) A rectangle has perimeter 64 cm and area 23 cm^2. Solve the following system of equations to find the rectangle's dimensions.
1. 4 answers
2. 1,611 views
x-1/x^2-x-20Give the equivalent numerator if the denominator is (x - 5)(x + 4)(x + 3).
1. 2 answers
2. 464 views
Occur age group after age group and repeat time after timeShould there by any dashes or hyphens here? should it be like: occur
1. 6 answers
2. 466 views
loved-oneor loved one
1. 4 answers
2. 1,404 views
his melancholy state of mindor his melancholy state-of-mind
1. 2 answers
2. 791 views
a) determine the equation of the line that is perpendicular to the tangent to y=5x^2 at (1,5).b) determine the equation of the
1. 4 answers
2. 826 views
Can someone please check my answers below for accurateness? The instructions are: Differentiate and simplify.1)
1. 4 answers
2. 904 views
Find the minimum volume of hot water needed to dissolve 100 mg of salicylic acid. Can someone help me how to start this out? I
1. 6 answers
2. 1,033 views
Student in O-Chem Lab conducts a melting point experiment with an unknown compound and observes a melting range of 210 – 218C.
1. 2 answers
2. 1,065 views
student perform 2 melting point determinations on a crystalline product. In one determination, the tube contained a sample 1 - 2
1. 2 answers
2. 889 views
What is the definition of the word "hamebells" from the book "The Red Pony" by Steinbeck. I have searched all dictionary sources
1. 4 answers
2. 905 views
What are some ways in which you may make use of Web-based information and guard against plagiarism?
1. 3 answers
2. 351 views
The clarke family went sailing on a lske . thier boat averages 6 kilometers per hour
1. 1 answer
2. 343 views
Problem::A 4.80 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=13.5 N at an angle
1. 2 answers
2. 528 views
When a horizontal force of 7N acts on a block on a resistance free surface, it produces an acceleration of 3.5m/s^2. suppose a
1. 2 answers
2. 508 views
Explain the Modernization and Dependency theories as they relate to underdevelopment. What are the major contributions of each
1. 1 answer
2. 466 views
I just wanted to know if anyone has a course syllabus for this class. I start this class very soon and I would like to get a
1. 1 answer
2. 399 views
Why does a gas become hotter when compressed by a piston in a cylinder?
1. 1 answer
2. 278 views
A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the recoil of
1. 3 answers
2. 549 views
The basketball coach wants to know the perimeter of the court. The area of the court is 4700 feet2. What is the perimeter? The
1. 1 answer
2. 455 views
Find the cost of the following situation. Dress Sale: Regular:$160 Now:$112 What % is given on the price of the dress?
1. 3 answers
2. 404 views
Find the derivative of (sin(^3)x)(tan x)Please explain to me in steps please , thank you
1. 1 answer
2. 340 views
Which of the following statements are correct? a. a normal distribution is any distribution that is not unusual b. the graph of
1. 2 answers
2. 742 views
Using the 68-95-99.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation
1. 2 answers
2. 1,082 views
assume the body temperature of healthy adults distributed with a mean of 98.20F and a standard deviation of 0.62F. If you have a
1. 4 answers
2. 962 views
What is the formula for calcium oxalate dihydrate when 100 degree Celsius heat is added?
1. 1 answer
2. 406 views

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