Questions LLC
Login
or
Sign Up
Ask a New Question
Jerry
Questions and answers by visitors named
Jerry
Questions (201)
How many moles of each ion are present, per liter, in a solution that is labeled “0.221 M
CaCl2 ”? CaCl2 Ca +2 + 2 Cl-
4 answers
1,100 views
Select the correct answer.
An investment banking house conducted a survey to determine how two of its proposed investment plans
2 answers
171 views
What is your opinion of the idea that the dangers we face may lie beyond our understanding?
I just need some idea's, please help
6 answers
3,142 views
A 20g mass with charge q=+8C hangs from a spring of stiffness k=50N/m. If an infinite plane with charge density sigma=+3C/m^2 is
3 answers
691 views
A loudspeaker emits energy in all direction at the rate of 1.5 J/s. What is the intensity level at a distance of 20m?
3 answers
472 views
Which figure has the same area as the parallelogram?
A parallelogram with base 40.2, side length 27.5, and height 21.8. A
3 answers
195 views
Drag the tiles to the correct boxes to complete the pairs.
Match the irrational numbers with their estimated positions on the
2 answers
94 views
I'm in a Grade 12 Data Management Course. The Current unit is Factorials and Permutations. I'm having a trouble with this
3 answers
622 views
Describe the climate and physical characteristics of that biome and the types of organisms that live within it. Give examples of
2 answers
726 views
How much electric charge is needed to produce 1.000kg of Na metal from the Na+ ions in NaCl?
You need one electron per atom. How
1 answer
378 views
A current of 2.50 A is passed through a solution containing Cu+2 ions for 4.00 hours. Calculate the mass of Cu atoms that form
2 answers
725 views
(2x^sqrt of 2x)(3^sqrt of 5x)
1 answer
260 views
sqrt of x-1=x-3
square both sides. Gather terms, factor or use the quadratic equation. I will be happy to critique your work.
1 answer
367 views
How did Jim Crow laws affect the economy?
2 answers
568 views
how do I work a exponential and logarithmic function on a TI83?
1 answer
326 views
In 1992, the life expectancy of males in a certain country was 69.8 years. In 1999, it was 72.6 years. Let E represent life
1 answer
461 views
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling 40 miles per hour. Train B is
4 answers
584 views
What does copper react with when heated and what is formed as a result?
(When you put copper underneath a fire, would the copper
2 answers
554 views
can not unscramble this math word
mmttuoaeive
1 answer
395 views
can not unscramble this math word
sserwmt
1 answer
377 views
I did a lab in chemistry in which 15-mL jumbo Beral pipets with acetone was heated in boiling water until all of the liquid
1 answer
778 views
A 156.5 g piece of stainless steel was heated to 510 C and quickly added to 25.11 g of ice at -30 C in a well-insulated flask
5 answers
810 views
A 156.5 g piece of stainless steel was heated to 510 C and quickly added to 25.11 g of ice at -30 C in a well-insulated flask
4 answers
527 views
Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that
3 answers
1,452 views
Twenty students randomly assigned to an experimental group receive an instructional program: 30 in a control group do not. After
2 answers
657 views
Do students at various colleges differ in how sociable they are? Twenty-Five students were randomly selected from each of three
2 answers
661 views
Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test(high scores
2 answers
535 views
Factor:
4x^2-12x+9
1 answer
314 views
Find the sum of all n exterior angles of a n-sided convex polygon, where n is any positive integer larger than 3. Show all the
1 answer
398 views
what does homeostasis means?
1 answer
649 views
Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to
1 answer
456 views
What are some of the health problems associated with anorexia nervosa, bulimia nervosa, and binge-eating disorder? Explain, from
4 answers
930 views
What are some of the health problems associated with undernutrition? Explain the cycle of malnutrition. Who does it impact?
3 answers
507 views
For the reaction: H2(g) + I2(g) 2HI(g) , Kc = 12.3 at some temperature T. If [H2] = [I2] = [HI] = 3.21 x 10-3 M at this
3 answers
2,018 views
Twenty-seven students averages 70 on their midterm. Could 21 of them have scored about 90?
3 answers
561 views
product of 45% and some number
1 answer
277 views
Working alone it takes Jerry 9 hrs to mop a warehouse. Ruth can mop the same warehouse in 10 hrs. If they worked together how
2 answers
1,027 views
Need to create a poster describing the persuasive technique bandwagon. How do I do it?
1 answer
468 views
Describe what the graph of interval [-4,10] looks like.
3 answers
374 views
A grocer gets food from three suppliers. They deliver every 5 days, 6 days and 7 days, respectively. All three came today. When
3 answers
386 views
How do you do this?
y-5/y+2 = 1/7
1 answer
256 views
Help!
g/r+g - g/r-g
1 answer
343 views
what is x squared plus 12x plus 11 equals
3 answers
313 views
The closing price of Schnur Sporting Goods, Inc., common stock is uniformly distributed between $16 and 29 per share.Exercises
Wh
2 answers
571 views
I conducted the synthesis of an Alum experiment in my lab last week and I'm working on my report. I'm almost done expect I don't
3 answers
661 views
give exact and approximate solutions to three decimal places
(x-5)sq = 18
3 answers
792 views
please help!
The width of a rectangle is 4ft less than the length. The area is 12 ft sq. Find the length and the width.
1 answer
406 views
solve for x
x+1/x=-7/x-12
1 answer
297 views
How do I calcualte and what would my titration curve look like for a 25mL 0.1M H3PO4 solution titrated with 0.1M NaOh.
The
1 answer
469 views
Factor completely
112r^2+392rp+343p^2 Please help
1 answer
320 views
Find the GCF
-30a^4, 5a^5
1 answer
351 views
In the Michaelis-Menten equation, KM = Ks only when the equilibrium assumption is valid. Which of the following conditions would
1 answer
378 views
g(x) = 6
___ 8-3x is the domain {x|x real number and ? = 0 >=8/3 = 8/3 =6 My answer is >= 8/3 I hope I am right!
1 answer
290 views
-2x> 1/9
This is multiplication -2/1 +1/2x > 1/9 +1/2 {x|x < 1/11 Is this correct?
3 answers
301 views
z+y for z = 39 and y=11
__ 10 simplify 39 +11 ______ 10 this is correct?
1 answer
259 views
soybean meal is 12 % protein and corn bean meal is 6%protein what it takes to make 240 IB mixture 7% protein?
1 answer
453 views
How does the project audit differ from the performance measurement control system?
3 answers
515 views
How do you remove everything to the right of the decimal place in Access?
1 answer
316 views
Hi. I realize that Photoshop has features that are specifically designed to create and save images that meet web standards.
1 answer
374 views
Nine rights are necessary to purchase one share of Fogel stock at $50. A right sells for $4. The ex-rights value of Fogel stock
3 answers
536 views
When heated, lithium reacts with nitrogen to form lithium nitride:
6Li+N2 --> 2Li3N What is the theoretical yield of Li3N in
4 answers
1,996 views
A beaker contains 250.0 mL of a 1.00 M HCl solution. How many moles of the acid would remain in the solution after 0.199 moles
1 answer
392 views
A 1.009-g mixture of the solid salts Na2SO4 (molar mass=142.04g/mol) and Pb(NO3)2 (molar mass=331.20g/mol). The precipitate was
2 answers
589 views
Why is it important to learn what sample size was used in a study in which no statistica difference was found?
1 answer
370 views
the local school system asks to submit a proposal to do pre-employment physicalsfor 60 bus drivers. What financial or accounting
1 answer
429 views
A baseball, hit 3 feet above the ground, leaves the bat at an angle of 45' and is caught by an outfielder 3 feet above the
2 answers
952 views
M/5=30 M=?
1 answer
214 views
100= 1/2 50 v* v=? *squared*
10=(50-v)/4 v=?
1 answer
311 views
A hot-air balloon is rising straight up with a speed of 5 m/s. A ballast bag is released from rest relative to the balloon when
2 answers
591 views
Baseball player A bunts the ball by hitting it in such a way that it acquires an initial velocity of 1.3 m/s parallel to the
4 answers
4,119 views
Oxidation State numbers
For Fe3+ i got 3+ b/c Oxidation state monatomic ion = ionic charge and i got that answer wrong. i am
2 answers
575 views
Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no
6 answers
15,001 views
How to solve the equation:
36x-15y+50z=-10 2x+25y=40 54x-5y+30z=-160
2 answers
493 views
A rectangle has a length of 2d and a height of d. Each of the following three charges is located at a corner of the rectangle:
2 answers
532 views
I don't understand how to set up the triple integral for #26.
LINK: h t t p : / / g o o . g l / 5 k C L
1 answer
339 views
I'm not sure how to do #22.
LINK: h t t p : / / g o o . g l / P 0 S e
1 answer
256 views
a)Approximate root 26 by using the linearization of y= root x at the point (25,5) Show the computation that leads to your
2 answers
1,020 views
Complete the table below:
Enter all letters containing appropriate descriptions for each of the equations below. a. precipitation
11 answers
803 views
How do you dilute 100mL of 20ppm Fe3+ to 1,2,4,6,8 ppm, 50mL each?
1 answer
409 views
a driver of a car going 95.0km/h suddenly sees the lights of a barrier 35.0 m aheadd. It takes the driver 95 s before he applies
2 answers
837 views
how many half-lives of radon-222 have passed in 11.46 days?
2 answers
893 views
The Lifetimes of a certain brand of photographic light are normally distributed with the mean of 210 h and a standard deviation
2 answers
1,187 views
A compound is 54.52% C, 9.15% H, and 36.32% O by mass. What is the empirical formula?
The molecular mass of the compound is 132
2 answers
892 views
Complete combustion of 8.00 g of hydrocarbon produced 26.0g of CO2 and 7.99g of H2O. What is the empirical formula for the
3 answers
1,453 views
Calculate the percent composition by mass of each element in Al(OH)3
Use at least 3 significant figures. %Al = %O = %H=
2 answers
1,193 views
how many grams of F are in 335 g of CaF2?
3 answers
1,199 views
What is the empirical formula of a compund composed of 3.25% hydrogen(H), 19.36% carbon(C) and 77.39% oxygen(O) by mass?
2 answers
528 views
An unknown compound contans only C, H, and O. Combustion of 5.70 g of this compound produced 11.4g of CO2 and 4.66g of H2O. What
3 answers
901 views
100 students were asked whether they are taking psychology or biology. 61 were taking pyschology, 18 were taking both and 12
4 answers
1,413 views
08/09/2005 Physics
A crane is lifting a 200 pound object. The crane boom is 50 ft long. The boom forms an 85 degree angle with
2 answers
925 views
A comet is traveling towards the earth. The comet has a mass of 5.50E+12 kg and a radius of 323 m. The comet is traveling with a
1 answer
963 views
There are two particles (1 and 2) that are moving around in space. The force that particle 2 exerts on 1 is given by:
F21(t)=Fx*e
2 answers
840 views
Suppose the time it takes for a purchasing agent to complete an online ordering process is normally distributed with a mean of 8
4 answers
1,446 views
a machine fills containers with a standard deviation of filling weights of 1.5. calculate the mean weight if only 4 % of the
2 answers
1,085 views
Answer the following questions for a mass that is hanging on a spring and oscillating up and down with simple harmonic motion.
3 answers
1,185 views
Romeo takes a uniform 15.0-m ladder and leans it against the smooth (frictionless) wall of the Capulet residence. The ladder's
1 answer
606 views
Firm A has $10,000 in assets entirely financed with equity. Firm B also has $10,000 in assets, but these assets are financed by
1 answer
633 views
At a certain temperature, the Kp for the decomposition of H2S is 0.832
H2S (g) <-- --> H2 (g) + S (g) Initially, only H2S is
13 answers
1,306 views
Which of the following reactions have a positive ΔSrxn? Check all that apply.
A(g) +B(g) -----> 3C(g) A(g)+ B(g)------> C(g) 2A
6 answers
18,472 views
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced.
O2M(s) ----> M(s) +O2(g)
10 answers
10,492 views
Pages
1
2
3