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Andy

Questions (514)

What is the [C7H5O2−] in a solution which is 0.1283 M in HC7H5O2 and 0.1364 M in HBr?HC7H5O2(aq) + H2O(l) « C7H5O2−(aq) +
1. 1 answer
2. 492 views
What would Qc be if the volume of the container decreased by a factor of 1.774 for the following reaction?PH3(g) + BCl3(g) →
1. 1 answer
2. 698 views
At 2273 K the equilibrium constant for the reaction2 NO(g) « N2(g) + O2(g) KC = 2400 What would be the equilibrium
1. 1 answer
2. 571 views
At 674.5 K the equilibrium concentrations of N2, H2, and NH3 were 0.1614 M, 0.1128 M, and 0.005892 M, respectively. What is the
1. 1 answer
2. 520 views
explain the Eutectic and Eutectoid reaction in cast irons
1. 0 answers
2. 440 views
Identify and discuss the main safety legislation applicable to the installation, commissioning operating and maintaining the
1. 0 answers
2. 394 views
G(t)=5200/(1+12e^(-.52t))Find G'(t) I keeo getting (-32448e^(-.52t))/(1+12e^(-.52t))^2 Is this correct?
1. 1 answer
2. 432 views
what would happen to the impedance of a series circuit containing an inductor, capacitor and resistor if the supply frequency is
1. 1 answer
2. 554 views
A mixture of NaCN and NaHSO4 consists of a total of 0.60 mol. When the mixture is dissolved in 1.0 L of water and comes to
1. 0 answers
2. 1,052 views
A rocket is launched into the sky on a windy day. The rocket has a vertical velocity of 15 m/s. There is a strong wind blowing
1. 2 answers
2. 948 views
f(x)=6x^3+19x^2+8x-5find all the zeros of the given function
1. 1 answer
2. 698 views
For the reaction given, the value of the equilibrium of the constant at 400 K is 7.0. Br2(g)+ Cl2(g)=2BrCl(g)Does the: Reaction
1. 2 answers
2. 585 views
Let lim f(x) =16 as x->4 and lim g(x) =8 as x->4Use the limit rules to find lim [cos(pi*f(x)/g(x))] as x->4
1. 1 answer
2. 518 views
Salmonella bacteria grows rapidly in a nice warm place. If just a few hundred were left on a cutting board when a chicken was
1. 1 answer
2. 1,418 views
Congress represents the larger public interest by (Points : 1)
1. 1 answer
2. 389 views
A car travels 3.0km due west and then 2.0km to the north. Find the magnitude anddirection of the car’s resultant displacement?
1. 1 answer
2. 847 views
Two boys want to pull a car. One of them exerts a force of 200 N toward West. The othera force of 150 N toward south. What is
1. 1 answer
2. 470 views
8.01xers Can anybody help with the falling ruler. I submission left(
1. 23 answers
2. 587 views
A ruler stands vertically against a wall. It is given a tiny impulse at θ=0∘ such that it starts falling down under the
1. 1 answer
2. 513 views
A ruler stands vertically against a wall. It is given a tiny impulse at θ=0∘ such that it starts falling down under the
1. 11 answers
2. 618 views
Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 8 %
1. 0 answers
2. 484 views
What is the lattice energy of NaI? Use the given information below.Heat of formation for NaI = -288.0 kJ/mol Heat of sublimation
1. 1 answer
2. 1,956 views
Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty
1. 4 answers
2. 776 views
What is the mass of a fly in grams if its de Broglie wavelength is 1.545e-31 m when it is traveling at a velocity of 3.605 m/s
1. 1 answer
2. 385 views
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in
1. 1 answer
2. 923 views
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in
1. 1 answer
2. 604 views
elbow raises a 1200 N piano a distance of 5 meters using a set of pulleys. elbow pulls in 20.0 meter of rope while exerting a
1. 1 answer
2. 1,888 views
prove the statement Angle ABD is a right angle and Angle CBE is a Right Angle and prove Angle ABC is Congruent to Angle DBE
1. 2 answers
2. 2,301 views
The energy (in joules) of an electron energy level in the Bohr atom is given by the expression: En = -2.179 x 10-18/n2 J where n
1. 1 answer
2. 633 views
What volume of a liquid having a density of 4.55 g/cm3 is needed to supply 10.47 grams of that liquid? Answer in cm3.
1. 1 answer
2. 419 views
really need help on this question it is worth 5 marks.The question is: Explain how "A Thankless Experience" is a satire with
1. 4 answers
2. 563 views
Story: A Thankless ExperienceAuthor: Stephen Lautens Question: Describe the diction that Lautens uses in "A Thankless
1. 1 answer
2. 641 views
Abstract words present qualities or ideas that cannot be felt by the senses. They are often general words, as opposed to
1. 0 answers
2. 740 views
This is the story: A Thankless Experience by Stephen Lautens. The story is on the internet. jiskha does not allow me to post the
1. 4 answers
2. 1,979 views
Explain whether Lautens' essay is written formally or informally, referring to examples from the essay for support.The short
1. 2 answers
2. 923 views
Describe the sentence structure Stephen Lautens uses in "A Thankless Experience". Support your view with examples from the
1. 3 answers
2. 1,014 views
What was the order in which all the girls learned double dutch?
1. 5 answers
2. 362 views
A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in
1. 0 answers
2. 467 views
Suppose the price of widgets rises from $7 to $9 and consumption of widgets falls from 25 widgets a month to 15 widgets.
1. 0 answers
2. 745 views
How do you know if a steam and leaf display is uniform, unimodal or bimodal?
1. 1 answer
2. 374 views
One advantage of a _____________ is that the actual data values are retained in the graphical display of the data.A) Pie chart
1. 4 answers
2. 1,887 views
The length of one side of an isosceles triangle is two times the base b.This length is equal to (8b - 12),in. What is the value
1. 1 answer
2. 447 views
A two-player game is played with two piles of stones, with sizes m,n. On a player's turn, that player can remove any positive
1. 1 answer
2. 481 views
f(x)is a function differentiable at x=1 and f'(1)=1/8.what is the value of f(x)-f(1) f'(x) denotes the derivative of f(x)
1. 1 answer
2. 395 views
So far they have $5000 in their fund. Timmy gave $450. Donna gave $900. How much did Kathy give?A. $4550 B. $4100 C. $3700 D.
1. 1 answer
2. 367 views
Simplify.is what?42 Ã· 6 + {1 · 7 - [7 + (6 - 1)]} A. 12 B. 2 C. 28 D. 14
1. 0 answers
2. 308 views
Simplify. is What?125 · 24 Ã· 6 + (8 - 1) A. 493 B. 509 C. 507 D. 500
1. 0 answers
2. 372 views
Simplify.how can this be simplified? 42 Ã· 6 + {1 · 7 - [7 + (6 - 1)]}
1. 0 answers
2. 358 views
Round 35,554,100 to the nearest ten thousand. is what Round 35,554,100 to the nearest ten thousand.A. 35,554,100 B. 35,550,000
1. 1 answer
2. 437 views
The sundae contained almost 40,741 pounds of ice cream and almost 10,580 pounds of syrup and topping. How many pounds did the
1. 1 answer
2. 411 views
f(x) is a function differentiable at x=1 and f�Œ(1)=1/8. What is the value of f(x)-f(1)f'(x) denotes the derivative of f(x)
1. 0 answers
2. 372 views
If sin57=mExpress the following 1. sin 237 2. Cos 33 3. Cos 3 4. Cos 66
1. 1 answer
2. 474 views
why is it important too descibe and compare matter
1. 1 answer
2. 295 views
why is it important too descibe and compare matter
1. 1 answer
2. 334 views
Bibi wants to send invitations to some of her friends to come to her birthday party. She has contact information for 37 friends
1. 0 answers
2. 595 views
M(-4,-2) is the midpoint of RS. If S has coordinates (-2,5), find the coordinates of R.
1. 1 answer
2. 821 views
Suppose f(x) is some polynomial such that x−45 is a factor of f(x) . What value of x must be a root of f(x)=0 ?
1. 1 answer
2. 353 views
Circle G with center O is tangential to PA at A . Line PO extended intersects G at B (PO<PB ). C is a point on AB such that PC
1. 1 answer
2. 571 views
The lifetime of computer chips is approximately normal with mean 1.4×106 hours and standard deviation 3×105 hours. The
1. 1 answer
2. 1,001 views
Arpit is thinking of a 2-digit number where the tens digit is twice the ones digit. How many different numbers can Arpit be
1. 0 answers
2. 362 views
ABC is a triangle with circumcenter O, obtuse angle BAC and AB less than AC. M and N are the midpoints of BC and AO
1. 2 answers
2. 460 views
I need help with this problem please:Create the logic for a program that accepts input values for the projected cost of a
1. 0 answers
2. 524 views
If a sample contains 70g of Carbon 14 and 70g of Nitrogen 14, how many half lives has it undergone? (show all of your work)
1. 2 answers
2. 426 views
A mass is attached to a spring stretches it 2.5 cm from equilibrium. The mass is lightly tapped and set in an oscillation. What
1. 1 answer
2. 489 views
What is the minimum value of N that will make this statement true:If we pick any N composite numbers from 1 to 1000, then we can
1. 1 answer
2. 907 views
The infinite series S = 1/5 + 3/5^3 + 5/5^5 + 7/5^7 + 9/5^9 + ... converges. Find S.
1. 0 answers
2. 912 views
A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.95 s
1. 1 answer
2. 838 views
The measures of two consecutive angles of a parallelogram are in the ratio 5:4. What is the measure of an acute angle of the
1. 0 answers
2. 672 views
If A represents the number of apples purchased at 15 cents each, and B represents the number of bananas purchased at 10 cents
1. 0 answers
2. 760 views
Once a 26 kg crate is in motion on a horizontalﬂoor, a horizontal force of 64 N keeps the crate moving with a constant
1. 1 answer
2. 735 views
A box of books weighing 328N moves with a constant velocity across the floor when it is paged with a force of 385N exerted
1. 1 answer
2. 623 views
Consider the 56 N weight held by two cables shown below. The left hand cable is horizontal. What is the tension in the cable
1. 2 answers
2. 1,319 views
A 2.01 kg block starts from rest at the top of a 25.8degree incline and accelerates uniformly down the incline, moving 2.13m in
1. 1 answer
2. 564 views
Suppose there are only enough tutors for 12 fifth graders to attend tutoring . What is the domain and range of the function in
1. 1 answer
2. 370 views
Obey the divine law and tell us the truth now!I need help translating these into Latin please
1. 1 answer
2. 503 views
Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is
1. 4 answers
2. 3,782 views
Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is
1. 0 answers
2. 578 views
Okay so I need help Identifying the reporting issues in this case with references to the conceptual framework pyramid, such as
1. 0 answers
2. 411 views
1. What is absolute uncertainty? (+one example)2. What is relative uncertainty? (+one example)
1. 0 answers
2. 498 views
Hi,I am working on some Nth problems - can anyone tell me if this is correct :- Nth term sequence is n + 4 are the first three
1. 2 answers
2. 1,108 views
A car races at a constant speed of 25 m/s around a circular track with a radius of 150 meters. Consider 1/4 of a lap starting on
1. 0 answers
2. 537 views
The displisacement from A to B is 36 miles at 12 degress N of West. The displacement from B to C is 39 miles at 21 degrees N of
1. 0 answers
2. 299 views
How many ways can 8 cars be parked in two big spaces? Three cars can fit in one and two can fit in the other.
1. 1 answer
2. 491 views
Inactivity is considered the nation’s most common cardiac threat.is it true
1. 1 answer
2. 835 views
Stimulant drugs cannot cause heart attack, stroke and sudden cardiac death.its true right? High blood sugars damage all the
1. 1 answer
2. 524 views
1. Cardiovascular disease is the number one overall killer of Americans – kills more than cancer, chronic respirator disease,
1. 1 answer
2. 847 views
Motor vehicle accidents are the leading cause of death for people aged 4-33 years old.true right?
1. 1 answer
2. 402 views
The rate of alcohol absorption is influenced bya. Body weight and emotional state. b. Gender and emotional state. c. Food intake
1. 1 answer
2. 658 views
why 1 in 2 Americans will have a STD in their lifetime?please help me with this I bought a used book and it doesn't have this
1. 1 answer
2. 561 views
8. My peers are changing their sexual behavior because of AIDS.is it True 9. Condoms are not used much to prevent STDs on this
1. 4 answers
2. 576 views
7. HIV infection is not a significant risk for college students.False right?
1. 1 answer
2. 405 views
6. Money for AIDS research should be cut because people get AIDS due to immoral lifestyles. if NO WHY
1. 1 answer
2. 498 views
Does Diet play a role in stress?its False right?
1. 1 answer
2. 408 views
discuss the results of "Life even stress test" in terms of its implication for your having a stress illness this year. List
1. 3 answers
2. 583 views
Which of the following methods is considered a "contraceptive implant"?a. Depo-Provera b. Lunelle c. Implanon d. Seasonale is it
1. 1 answer
2. 516 views
Which is a common expectation that can hurt a relationship?a. expecting your partner to change b. expecting that your partner
1. 1 answer
2. 2,049 views
The transformation of love progresses in the following way:a. high levels of passion, increasing intimacy, diminished romance,
1. 1 answer
2. 1,854 views
Roger is a single father of two young daughters and has been dating Cheryl for the past two years. He recently learned that his
1. 2 answers
2. 1,798 views
Homeostasisa. is a state of unmanaged stress. b. describes the body during the fight-or-flight reaction. c. is a state of normal
1. 1 answer
2. 1,404 views
There is no link between cardiovascular heart disease and stress.Its false right?
1. 3 answers
2. 545 views

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