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jerson
Questions and answers by visitors named
jerson
Questions (161)
Use Charles Law to solve for the missing value of each of the following a) 80.0 mL, T1= 27 degrees C, T2=77 degrees C. V2 =?
b)V1
7 answers
4,024 views
use a graphing calculator use the graph y=e^x to evaluate e^1.7 to four decimal places.
6 answers
4,082 views
a flask containing 155cm^3 of hydrogen was collected under a pressure of 22.5 kPa. what pressure would have been required for
4 answers
621 views
gont get it.. To what temp must a sample of nitrogen at 27 degrees C and 0.625 atm be taken so that its pressure becomes 1.125
10 answers
2,687 views
for this question A sample of air has a volume of 140.0 mL at 67 degrees celcius. At what temperature would its volume 50.0 mL
10 answers
814 views
A gas has pressure of 4.62 atm when its volume is 2.33 L if the temperature remains constant, what will the pressure be when the
2 answers
541 views
How many moles of helium gas would it take to fill a balloon with a volume of 1000.0 cm^3 when the temp is 32 degrees C and the
10 answers
2,438 views
1 what's the Tyndall Effect and whats one example of this effect?
2) Given an unknown mixture consisting of two or more
2 answers
710 views
determine the solubility of each of the following grams of solute per 100. g H2O
a) NaNO3 at 10°C b) KNO3 at 60°C c) NaCL at
3 answers
1,689 views
the sequence 29, 31, 33, 35, 37.... 49 has 11 terms. Evaluate the related series..
my teacher said its 429 don't see how she got
3 answers
1,179 views
does the infinite geometric series diverge or converge?
1/7 + 1/14 + 1/28 + 1/56 +
2 answers
1,084 views
find the margin of error for the sample proportion, given a sample size of n=1400. Round to the nearest percent.
2 answers
524 views
find the margin of error for the sample proportion, given a sample size of n=1400. Round to the nearest percent.
1 answer
920 views
Find the probability of x=4 sucesses in n=9 trials for the probability of succes p=0.6 on each trial. Round to the nearest
9 answers
388 views
Find the sample size that produces the margin of error ± 3.0%
1 answer
464 views
Find the sample size that produces the margin of error ± 3.0%
2 answers
635 views
find the margin of error for the sample proportion, given a sample size of n=1400. Round to the nearest percent.
3 answers
613 views
how many orbital orientations are possible in each of the s, p, d, and f sublevels?
b) how does 2s orbital differ from a 1s
3 answers
1,185 views
Write both the complete electron-configuration notation and the noble-gas notation for each of the elements below
a. Na b. Sr c.
7 answers
5,830 views
Find the exact value of cot 45°, if the expression is undefined write undefined.
5 answers
1,548 views
Write the measure in radians. Express the answer in terms of ð
-260°
4 answers
674 views
sketch one cycle of y=-3 sin 0
i know you guys wouldnt be able to draw it for me on here, but is this able to do on a graphing
2 answers
1,131 views
how is the periodic law demonstrated within the groups of the periodic table?
also I need help writing the noble gas notation for
1 answer
1,068 views
of cesium, Cs, hafnium, Hf, and gold, Au, which element has the smallest atomic radius? explain in terms of trends in periodic
3 answers
1,823 views
give electron configuration for a> Na
b) Na+ c) O d)O ^2-
3 answers
398 views
what are the components of one formula unit of CaF2?
2 answers
1,033 views
where on the periodic table are most natural radioactive nuclides located?
2 answers
518 views
what changes in atomic number and mass number occur in a positron emmision of radioactive decay?
1 answer
375 views
evaluate the logarithm log 5 1/625
3 answers
2,861 views
solve log 3x + log9=0 round to nearest hyndredth if necessary
3 answers
836 views
how much money is invested at 5% compounded continuously for 3 years will yield $820?
7 answers
14,389 views
solve equation g+4/g-2=g-5/g-8
another qustion an elliptical track has a major axis that is 80 yrds long and minor axis 72 yards
4 answers
1,213 views
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous
4 answers
1,266 views
identify the conic section. if its a parabols give the vertex if its a circle, give the center and radius. if it is an ellipse
2 answers
599 views
solve equation g+4/g-2=g-5/g-8
last one still don't get answer my teacher got was 14, however i got 22.. what was my mistake?
3 answers
898 views
identify the conic section. if its a parabols give the vertex if its a circle, give the center and radius. if it is an ellipse
4 answers
848 views
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous
9 answers
7,352 views
write the explicit formula for the sequence 7,2,-3,-8,-13 and find a 14
3 answers
1,565 views
evaluate cot 11 pie/6 to the nearest hundred angle given in radians.. is there a way to put this in calculator.
another ? use a
2 answers
969 views
why can the owner of a business withdraw assets from that business for personal use?
b. why would the owner withdraw assets other
1 answer
654 views
what makes studying archaeology so hard?
1 answer
341 views
walking upright has advantages and disadvantages for our human ancestors what are they?
1 answer
394 views
why can the owner of a business withdraw assets from that business for personal use?
b. why would the owner withdraw assets other
4 answers
6,779 views
i have 2 questions
1) how did Neolithic Age add to the segregation of the sexes? 2) to be "civilized",( according to historians),
3 answers
408 views
how did the neolithic age add to the segregation of the sexes?
how do new ideas or inventions end up spreading?
1 answer
430 views
what were some symbolic behaviors of the Neanderthals?
what are the theories about what happened to the neanderthals why did they
3 answers
395 views
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81.
1 answer
489 views
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81.
3 answers
500 views
i found most of my questions. i still need to know to be civilized (according to historians) what has to be present?
3 answers
475 views
suppose h i equals the number of points lindsey scored in the ieth basketball game so far this season, and h1=14, h2=12, h3=18,
2 answers
899 views
consider the model y=4/9x + 7/3 for the relation between price and quality of chewing gum. a) what does the slope mean? b) use
3 answers
576 views
the thickness of a book is determined by the thickness of its cover and its pages. the front and back covers of a book like this
3 answers
1,578 views
run this program given in the lesson to find factors of a) 105, b) 197, and c) 7128
Describe in words the function of f(x) =x -
1 answer
396 views
let f(x) =4x^4-6 evaluate f(3)
3 answers
328 views
a student fitted the line l to the data points (0,3), (2,3.6) (3,6), 6,3) find the center of gravity
1 answer
325 views
for a set of data, the line best fit is given by the y-0.697x + 3.431 anr r^2 = .325. what is the correlation co efficient
1 answer
418 views
the points (0,3), (1.8, -.365), (2, -.79) (4.5, -1.923) li on a line. Write the equation of the line in slope intercept form.
1 answer
388 views
consider the function f(x)4x^2 -2x-1 find the x intercepts
1 answer
266 views
for a set of data the line of best fit is given by y=-.687x + 3.431 and r^2=.325. what is the correlation efficient
1 answer
378 views
find the inverse of y=6x + 3
1 answer
310 views
the viewing window is defined by -3 is less than or equal to x is less than or equal to 7 and 10 is less than or equal to y is
2 answers
892 views
how are athens and sparta similar and different?
2 answers
552 views
a ship has maintained a bearing of 47 degrees. ( a bearing is the angle measured clockwise from due north)
a) how far has the
4 answers
1,793 views
for y/3= sin x/4 give the period, the amplitude, and the shift if it exists
1 answer
394 views
for the graph of y=-5sin x/2, state frequency
4 answers
585 views
the formula log w= -2.866 + 2.722 log h estimates the normal weight w in pounds of a girl h inches tall. Estimate the normal
4 answers
1,030 views
evaluate log3 27
3 answers
734 views
if P(A)=.63 in an experiment then determine P (not A)
1 answer
280 views
a) the cash payments journal used in this problem has only 3 special amount columns. Under what circumstances would you
1 answer
439 views
for the geometric series shown, state whether the series in convergent. If the series is convergent, give the sum
9 +6.3 + 4.41
4 answers
863 views
expand (x + y)^5
1 answer
368 views
find the limit of the sequence if it exists
tn= 6/n
1 answer
304 views
for the geometric series shown, state whether the series in convergent. If the Series is convergent give its sum
9+6.3 +4.41 +...
4 answers
476 views
find the limit of the sequence if it exists
tn= 6/n
1 answer
257 views
find the sum of all integers n from 300 to 400.
1 answer
321 views
use the function G(x)=x^3-8x +1
b) identify and verify the y intercept of G c) estimate the zeros of G to the nearest tenth d)
4 answers
976 views
Suppose p (x) is a polynomial with real coefficients and p (4 + 9i)=0. What is p(4-9i)?
2 answers
603 views
a) find the zeros of t(x) =2x^2 + ix + 3.
b) The zeros are not complex conjugates. Explain why this does not contradict with the
2 answers
579 views
approximate to the nearest hundredth the smallest positive x-intercept of the graph of x^4-5x^3+3x^2-9?
1 answer
352 views
solve x^5-16=0 completely given that 2 solutions is 1 (hint there are 4 zeros)
3 answers
315 views
in mideieval city how do servants and apprentices fit into the eating schedule?
how was an average toilet system?
1 answer
322 views
what percent of the area between f(x)=e^-x2 and the x axis is between x=-2 and x =2
1 answer
290 views
what percedure would not require the separate record for collecting and accounting for sales taxes, yet comply with a state's
1 answer
417 views
is there any percedure would not require the separate record for collecting and accounting for sales taxes, yet comply with a
3 answers
416 views
A carpenter needs to add a handrail to the staircase shown. The handrail needs to be parallel to the staircase. Each step is 9
1 answer
476 views
evaluate P(z < -1.68)
1 answer
397 views
find an exact value for sin 15 degrees
1 answer
366 views
A and B are accute angles with sin A =0.7 and cos B= 0.4. Find sin(A-B)
1 answer
289 views
The matrix A has dimensions 3 x 4. The matrix B has dimensions 3 x 2 Give the dimensions of matrix C if AB=B
3 answers
472 views
which one doesn't belong out of these 4 and why displays, advertising, owners manual, or charge accounts and why?
4 answers
401 views
what is the economic stimulus package and what implications would it have on peopleof this country?
1 answer
283 views
are many people happy with the stimulus package
1 answer
319 views
is it hopeful that we will come out of this recession
3 answers
314 views
how did Fort Repose adapt to the changes after The Day?
1 answer
364 views
explain the role of government in a free enterprise system?
2 answers
784 views
How did Fort Repose adapt to the changes after The day?
1 answer
336 views
whats the us governments role as regulator and who do they protect?
1 answer
292 views
We has to read a book called alas babylon and we has to write an essay about how did fort repose adapt to the changes after the
3 answers
476 views
ok my topic is If you could do anything without getting in trouble what would it be.
we have to write an introduction first then
2 answers
588 views
this is kinda similar to last nights question
We have to write an introduction, thesis, and now part of the body My topic was if
2 answers
596 views
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