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Kate

Questions (981)

A circular tablecloth is draped over a rectangular table so that the center of the cloth is directly above the center of the
1. 1 answer
2. 554 views
A buffer solution of pH=9.24 can be prepared by dissolving ammonia and ammonium chloride in water. How many moles of ammonium
1. 1 answer
2. 739 views
What is the [S^-2] in a saturated solution (.1 M) of H2S, in which the pH had been adjusted to 5.00 by the addition of NaOH? For
1. 1 answer
2. 533 views
if u add if you add 2.0 ml of 10.0 M HCl to 500 ml of a .10 M NH3, what is the pH of the resulting solution? for NH3,
1. 1 answer
2. 394 views
what is the molality of a 0.075m of ethyl alcohol in water at 25 degrees celcius. Assume the density of the solution at such low
1. 1 answer
2. 543 views
Find the limit as x->0 of (2-2cos(x))/(sin(5x))Mathematically I got 2/5, but on the graph it appears to be 0.
1. 3 answers
2. 391 views
A person that has a sevre overreation to an intense emotion might be experiencing aa. galvanic skin response b. sympathetic
1. 1 answer
2. 594 views
1. The Stubborn Child Law enacted by Massachusetts in 1646 permitted parents toA. use corporal punishment when children
1. 5 answers
2. 1,449 views
Using l'hopital's rule, find the limit as x approaches zero of(e^(6/x)-6x)^(X/2) I know l'hopital's rule, but this is seeming to
1. 3 answers
2. 515 views
Using l'hopital's rule, find the limit as x approaches infinity of(e^(6/x)-6x)^(X/2) I know l'hopital's rule, but this is
1. 0 answers
2. 461 views
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6?I think the molecular
1. 4 answers
2. 2,626 views
What is 6/12 in a equivalent fraction
1. 30 answers
2. 7,979 views
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6?I think the molecular
1. 0 answers
2. 843 views
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6?I think the molecular
1. 0 answers
2. 581 views
Does anyone know what SCl6 is used in? Note: I don't mean SF6. *Sulfur Hexachloride*Thank you :)
1. 9 answers
2. 1,654 views
I have a project on Sulfur Hexachloride, or SCl6, but I can't find any info on it! Any help?
1. 3 answers
2. 563 views
I have a project on Sulfur Hexachloride, or SCl6, but I can't find any info on it! Any help?
1. 0 answers
2. 430 views
When ice melts, it absorbs 0.33 per gram.How much ice is required to cool a 12.0 drink from 72 to 37, if the heat capacity of
1. 4 answers
2. 707 views
A tennis ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One
1. 1 answer
2. 2,104 views
Explain why the occupants in a running car observe objects on the roadside as though they are running backwards.
1. 1 answer
2. 393 views
In Triangle SUM, if SU = 10 cm and UM = 15 cm then MS must be less than how many centimeters?10 15 20 25...... Am I right?
1. 1 answer
2. 436 views
Find the perimeter of an isosceles trapezoid with base lengths of 10 and 18 and height of 8.
1. 1 answer
2. 1,170 views
Find the perimeter of an isosceles trapezoid with base lengths of 10 and 18 and height of 8.
1. 1 answer
2. 2,126 views
A catalytic converter combines 2.55 g CO with excess O2.What mass of CO2 forms?
1. 1 answer
2. 1,232 views
Find all the critical numbers for the function f(x) = cube root of 9-x^2.help please?!
1. 2 answers
2. 1,477 views
How do you find use the annual net profit with the payables and inventory costs to determine the total annual cost a firm would
1. 0 answers
2. 419 views
I just finished an organic chemistry lab experiment on separating and analyzing an unknown acid/neutral compound mixture using
1. 1 answer
2. 1,170 views
Use average bond energies to calculate delta Hrxn for C(s)+2H2O(g)-->2H2(g)+CO2(g)
1. 2 answers
2. 2,005 views
If I had the equationH2 + I2 --> 2HI could I write the rate of reaction as d[H2 + I2]/dt = k[H2]^x[I2]^y were x is the order of
1. 1 answer
2. 602 views
Amount after time t A (t) = yobtWhere: yo = starting amount b = growth constant (percent remaining) t = number of time units In
1. 1 answer
2. 669 views
Find the pH of a buffer that consists of 1.6 M sodium phenolate (C6H5ONa) and 1.0M phenol (C6H5OH). (pKa of phenol=10.00)
1. 1 answer
2. 1,029 views
What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the
1. 1 answer
2. 948 views
What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the
1. 1 answer
2. 437 views
NH4NO3(s) H2O(g) + N2(g) + O2(g)Consider the unbalanced equation above. What will be the total volume of gas produced at 720. mm
1. 1 answer
2. 692 views
How many kilojoules of heat is required to completely covert 60.0 grams of water at 32.0° C to steam at 100°C?For water: s =
1. 1 answer
2. 524 views
How many kilojoules of heat is required to completely covert 60.0 grams of water at 32.0° C to steam at 100°C?For water: s =
1. 1 answer
2. 737 views
I am doing an assignment where I need to find an example of a spring that is used in a common device. Is a phone chord
1. 2 answers
2. 330 views
A quantity N2 of occupies a volume of 1.4L at 290K and 1.5atm . The gas expands to a volume of 3.1 L as the result of a change
1. 1 answer
2. 902 views
Please let me know if I figured this out correctly ...2t + 4 >/= t -t -t 1t + 4 >/= 0 - 4 -4 1t >/= -4 /1 /1 t >/= -4
1. 0 answers
2. 469 views
Calculate the H3O+ concentration and pH of a carbonated beverage that is .10 M in dissolved CO2- (Essentially all of the H3O+
1. 1 answer
2. 840 views
What do noble gases have in common?
1. 3 answers
2. 434 views
If a ball is sliding down a ramp that is on a slant, so that the ball sliding down falls off. Is the speed of the ball
1. 2 answers
2. 534 views
Is the lining of the esophagus either :1) Simple Squamous? OR 2) Stratified Squamous? -Please help . I know it has to be either
1. 2 answers
2. 378 views
What is 90% of 110?
1. 2 answers
2. 323 views
Calculate the mass of ethanol required to heat 200mL of water from 21 degrees celcius to 45 degress celcius
1. 0 answers
2. 518 views
What does it mean if a line in R^3 is parallel to the xy-plane but not to any of the axes. I really don't know what this means
1. 0 answers
2. 475 views
What does it mean if a line in R^3 is parallel to the xy-plane but not to any of the axes. I really don't know what this means
1. 0 answers
2. 402 views
Please help with this assignment!Thanks. I picked "Justice" I want to write about What is the moral aspect of Justice. Tell how
1. 0 answers
2. 663 views
Need help with topic "Justice"Need 2 question: is what is the moral aspect of Justice? Research plan: Have investigate my
1. 2 answers
2. 437 views
I'm doing a vector problem which involves two forces with an angle of 30 degrees between them acting on an object. I think that
1. 1 answer
2. 612 views
To simplify the expression of4r(3r-7) I came up with 12r^-28r. I cannot take this any further because they are not like terms,
1. 2 answers
2. 418 views
If a point on the surface of a sphere with its center at the origin has coordinates (9,4,6) how do you show the radius
1. 3 answers
2. 552 views
How about this one?Simplify: -(21k - 3 + 4) - 17k -21 + 3 + -4 - 17k -38k + -1
1. 2 answers
2. 518 views
Just so I know I am understanding this, can you please let me know if I am doing this right?Simplify: 24u - 6(8 - 4u) + 52 24u
1. 2 answers
2. 360 views
If f(x)=x^2-x, find the value if x=(2)-2. TIP: x^2 means x squared
1. 1 answer
2. 306 views
I need help on a homework problem. "Determine a vector equation for the line perpendicular to 4x-3y=17 and through point (-2,4).
1. 0 answers
2. 825 views
Can someone explain to me what the calorimetry equation - q=(m)(ΔT)(Cp) means exactly, in your own words, and how identifying
1. 1 answer
2. 526 views
A gas sample is connected to a closed-end manometer. The difference in mercury levels in the 2 arms is 115 mm. What is the gas
1. 1 answer
2. 1,036 views
A lunch box is 30cm long, 14cm wide and 12cm high. The formula for the volume of a box is v=lwh. Find the volume of the lunch
1. 2 answers
2. 812 views
how do I solve the equation (y+6) divided by 3- (y-3) divided by2=2
1. 2 answers
2. 483 views
How can you make 7 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the
1. 1 answer
2. 1,041 views
How can you make 34 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the
1. 3 answers
2. 568 views
Just checking to make sure I understand this.Absolute value bars are grouping symbols. Use the order of operations to evaluate
1. 0 answers
2. 426 views
A water solution containing 25.0% sucrose by mass, has a density of 1.25g/mL. What volume of this solution in liters, must be in
1. 1 answer
2. 609 views
I'm trying to calculated the rate of reactionIn this lab I took a 50 mL beaker and poured in 10 ml of cold distilled water into
1. 0 answers
2. 1,088 views
I'm trying to calculated the rate of reactionIn this lab I took a 50 mL beaker and poured in 10 ml of cold distilled water into
1. 0 answers
2. 525 views
Kim is twice the age of Ryan. In 4 years Kim will be 7 years older than Ryan. How old is Kim now?
1. 1 answer
2. 437 views
a brain weighing 1.0 Ib occupies a volume of 620 ml. What is the specific gravity of the brain?
1. 5 answers
2. 3,221 views
A moving Company weighs 20 boxes you have packed that contain either books or clothes and says the total weight is 404 pounds.
1. 1 answer
2. 778 views
An alpha particle (mass = 6.6 10-24 g) emitted by radium travels at 2.5 107 ± 0.1 107 mi/h.(a) What is its de Broglie
1. 1 answer
2. 958 views
Hello I had a couple of questions and was woundering if you have staff members that are teaching or have taughtAP BIOLOGY AP
1. 4 answers
2. 772 views
I know my english is crap any corrections suggestions cirtisims etc. would greatly be apreciated... if you know any biology and
1. 0 answers
2. 586 views
Convert 5:25:25 to seconds.
1. 1 answer
2. 329 views
Available evidence suggests that about 20 percent of the asteroid’s mass turned to dust and spread uniformly over Earth after
1. 1 answer
2. 1,298 views
actually cos(x)=-2 has an infinte amount of solutions so to say it dosen't have ONE is just wrong... but yah I don't buy that
1. 2 answers
2. 605 views
same as my question below please help me post your answer on here if you have one on these forms of courseh t t p : / / w w w .
1. 0 answers
2. 323 views
no one on physics forums seems to know the answer so I was wondering if you guys could helppost anser on these forms of course
1. 1 answer
2. 562 views
For many years the recovery of gold-that is, the seperation of gold from other materials-involved the use of potassium cyanide:4
1. 1 answer
2. 3,842 views
In the figure we see two blocks connected by a string and tied to a wall, with theta = 33°. The mass of the lower block is m =
1. 3 answers
2. 2,618 views
Rectangle ABCD has vertices C and d on the x-axis and vertices A and B on part of the parabola y = 9 - x^2 that is above the
1. 0 answers
2. 1,429 views
x +/- 3is that mroe simplified then writing it out x + 3, x - 3 I thought it would be becaue we normally say simple is when all
1. 1 answer
2. 496 views
I'm trying to write an equation for all the infinite values of the equation-i ln(2 + sqrt(3) ) people have told me that its
1. 0 answers
2. 397 views
1. The problem statement, all variables and given/known datacos(x) = -2 I was trying to solve that problem ignoring what people
1. 1 answer
2. 1,150 views
1. The problem statement, all variables and given/known datacos(x) = -2 I was trying to solve that problem ignoring what people
1. 0 answers
2. 1,179 views
Having some trouble graphing thisy = 3 - x for x less then or equal to 1 y = 2x for x greater than one how do I indicate that
1. 0 answers
2. 410 views
(60 + 16sqrt(15))/(60 + 17sqrt(15))i tried dividing but got stuck thanks
1. 0 answers
2. 364 views
Find the range ofy = (3x-1)/(2x^2 + x - 6) I was going to take the derivative of the numerator and denomenator and then use the
1. 2 answers
2. 882 views
Find the range ofy = (3x-1)/(2x^2 + x - 6) I was going to take the derivative of the numerator and denomenator and then use the
1. 0 answers
2. 1,264 views
I'm kind of confused as to what simplified mean? Can you please provide me with a definiton...Like I'm kind of stumped as to
1. 4 answers
2. 1,267 views
Yes I was trying to find the rangey = (x^2 -4)/(x^2 - x -12) ok using 2(4 +/- sqrt(15) ) sorry I forgot the minus in the
1. 1 answer
2. 407 views
y = (x^2 -4)/(x^2 - x -12)dy/dx of numerator I got 2x dy/dx of denomenator I got 2x - 1 dy/dx of y I got (x^2 - 16x
1. 1 answer
2. 412 views
I'm stuck on this problem please help mefind the range of this equation y = (x^2 - 4)/(x^2 - x - 12) I know that it is
1. 0 answers
2. 449 views
Ok so I kind of forgot how to do this so I looked up on the internet and was told divide the coefficent in the numerator of the
1. 1 answer
2. 452 views
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 7 9 9 0 5 6 1 4well it's on this page just CTRL+F
1. 7 answers
2. 439 views
I was doing this problemsin^-1 (4/5) if I'm not mistaking most teachers would say that .927295218 radians is wrong is just an
1. 5 answers
2. 781 views
Even if you have no idea what on earth any of this stuff is but have a vast knowledge in complex number system you might be able
1. 1 answer
2. 595 views
Did I do these probelms correctly?Find the intercepts 1. y^2 = x^2 - 4x y^2 = x(x - 4) Y intercepts y^2 = 0(0 - 4) (0,0) x
1. 1 answer
2. 565 views
Which one is more "simple"?(-7(2x + 3))/(x(x + 3)) or (-14 x + 21)/(x^2 + 3x) I would go with the factored form but i'm still
1. 2 answers
2. 404 views
I'm kind of confused as to what exactly simplified means by deffintion which one is more simple(2x)^6 or 64x^6 I thought
1. 1 answer
2. 1,085 views
What does it mean to be "simplified"which one is most "simple" 2(3+5) or 6 + 10 ??? I've been told both and wonder if someone
1. 1 answer
2. 736 views

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