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Lyn
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Lyn
Questions (66)
The infrared spectrum of CH3CH2NH2 shows two absorptions not shown by bromoethane. Identify the bonds responsible for these
1 answer
500 views
I need to predict the acid/base reactions of sodium carbonate with HCl, CH3COOH, NH3, and NaOH.
I'm stuck, when I'm writing out
1 answer
962 views
4^-x=(1/256)
I think the answer or I guess the answer I have is: 4^-x=16^-2
2 answers
482 views
Where do I get started with this?
Write a 700- to 1,050-word paper in APA format describing the effects of taxation and price
4 answers
733 views
a bottle of a soft drink looks pure, but it is not, how could you demonstrate that it is a mixture?
thanks
3 answers
529 views
Pretend the program in Senegal had been reducing infant mortality at a rate of 12.5 % per year. How long would it take for
2 answers
1,085 views
Pretend the program in Senegal had been reducing infant mortality at a rate of 12.5 % per year. How long would it take for
2 answers
1,048 views
what's another word for poop?
11 answers
840 views
Q. A person wants to shoot a rocket off of a mountain 3.26 km high so that the rocket, when shot at 31.3¡Æ above the
2 answers
580 views
1. A force F = (3.99xi + 2.86yj) N acts on an object as it moves in the x direction from the origin to x = 4.45 m. Calculate the
3 answers
543 views
Q. A 10.6 kg weather rocket generates a thrust of 226.0 N. The rocket, pointing upward, is clamped to the top of a vertical
3 answers
880 views
Q. A force F = (3.99xi + 2.86yj) N acts on an object as it moves in the x direction from the origin to x = 4.45 m. Calculate the
3 answers
511 views
every physics helpers are not getting any responses. can someone help on physics questions pleases???
7 answers
612 views
Q. A 10.6 kg weather rocket generates a thrust of 226.0 N. The rocket, pointing upward, is clamped to the top of a vertical
4 answers
564 views
If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was
2 answers
640 views
Tuyns et al. (1977) carried out a case-control study of esophageal cancer in the region known as Ille-et-Vilaine in Brittany,
2 answers
724 views
Find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a)
I'm not quite
3 answers
536 views
I can not figure these out for the life of me. Any help is appreciated.
1. Find the final amount of an investment if $2,000 is
4 answers
488 views
An empty glass jar weighing 1.54 kg is in the shape of a cylinder which has a radius of 14cm and a height of 20cm. Calculate how
3 answers
513 views
Larry has an annual return of $213.00 from $3000.00 invested at simple interest. One at 5% and the other at 8%. How much is
2 answers
1,174 views
Sally dilivered 148 newspapers and received $0.03 per paper. What were her
earnings?
3 answers
346 views
A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the
1 answer
675 views
I bought 16.8 gallons of gas at a cost of $61.47. Estimate the unit price(cost per gallon)
1 answer
383 views
If the alpha level is changed from a=.05 to a=.01.
a. What happens to the boundaries for the critical region? b. What happens to
3 answers
4,353 views
Can someone please help with this problem to advise how to set up and in the book Essential of Statistics for the Behavioral
3 answers
859 views
In a correlational study
a. 1 variable is measured and 2 groups are compared b. 2 variables are measured and 2 groups are
4 answers
2,279 views
One item on a questionnaire asks, "How many siblings (brothers and sisters) did you have when you were a child?" A researcher
3 answers
2,516 views
For a negatively skewed distribution with a mode of X = 25 and a median of 20, the mean is probably ____.
a. greater than 25 b.
1 answer
1,044 views
A researcher measures eye color for a sample of n = 50 people. Which measure of central tendency would be appropriate to
5 answers
5,423 views
In a population of N = 10 scores, the smallest score is X = 8 and the largest score is X = 20. Using the concept of real limits,
4 answers
2,918 views
A sample of n = 25 scores has M = 20 and s2 = 9. What is the sample standard deviation?
a. 3 b. 4.5 c. 9 d. 81
3 answers
1,985 views
Needing some help to clarify this problem and help finding the right answer.
_b___ 2. Which of the following accurately describes
2 answers
512 views
Needing help to get this answer right.
_c___ 3. What is the relationship between the alpha level, the size of the critical
4 answers
843 views
how do you find the hypotenuse of a triangle
4 answers
321 views
Can someone show me and explain a step by step process how to do this problem? Thanks
1) Two equal but opposite charges re
2 answers
821 views
What is the value of y in the system shown?
y=12x-3 y=-2x+4 Thanks
5 answers
543 views
What is the value of x in the system shown?
y=1/5x+2 y=x-4
6 answers
344 views
How to write three linear system that are equivalent to the linear system shown?
5x-4y= -3 2x + 7y= 5
1 answer
388 views
Calculate the molar concentration for each of the following.
a)The concentration of a brine solution containing 225 g for pure
2 answers
801 views
A triangular park has a perimeter of 45 meters. What is the measurement of one side if each of the other two equal sides measure
4 answers
1,213 views
What are the major species in a solution during the titration of citric acid with a strong base such as NaOH?
1 answer
655 views
What are the major species in solution during the titration of citric acid with a strong base?
1 answer
736 views
calculate the volume needed to make 2.20 x 10^2 ml of 0.100M cacl2. what would be the total concentration of the final (Cl-)
1 answer
425 views
Compare and contrast the US and Canadian forms of government. Give a basic framework for each government.
5 answers
595 views
Which part of the plant is responsible for absorbing water and nutrients?
A.leaves B.stem C.roots*** D.xylem
44 answers
10,466 views
In which part of the plant would you expect to find cells with the most chloroplasts?
A.leaves*** B.roots C.xylem D.cambium
28 answers
9,471 views
Tell which number is prime: 19, 28, 49, 63.
A.63*** B.49 C.28 D.19
14 answers
2,830 views
Which of the following do the conflicts in both Darfur and Rwanda illustrate?
A. The environmental issues many African nations
27 answers
4,718 views
1. Which factors led to the downfall of Ghana? Select all that apply.
A. Ghana was engaged in conflict with people to the north.
6 answers
2,379 views
If a current of 10.75 milliampere passes through a resistor of 5.5k ohms find the voltage drop aross the resistor. Is it v=IR
1 answer
476 views
How many electrons should be removed from the van de graaff generator so that its electric charge reaches 1.6 uC?
3 answers
1,259 views
During when does electrostatic force appear? Does moving a bent finger closely to a van degraff generator considered to exhibit
1 answer
458 views
When does electrostatic force appear? Does moving a bent finger closely to a van degraff generator considered to exhibit
1 answer
396 views
A resistance r1=12ohms is connected in series with another resistance r2= 8 ohms. What resistance r3 must be connected in
3 answers
821 views
A 5 ohms resistor is connected in parallel with the series assemvly of 2 ohms and 3 ohms resistors. The voltage drop across the
3 answers
783 views
When does electrostatic force appear? Does moving a bent finger closely to a van degraff generator considered to exhibit
1 answer
490 views
How would you hook up 3 resistors in a circuit to get the maximum current and the minimum current?
6 answers
2,167 views
When a bar magnet is cut into two halves repel each other. Why? What becomes of the original north and south poles of that
1 answer
470 views
Are there magnets with a single magnetic pole? Is it possible for the pole strength to be different for the north and south
1 answer
452 views
If 2 bar magnets are brought together, north to north and south to south is the resultant pole strength of the combination equal
2 answers
530 views
When a bar magnet is cut into 2, the two halves repel each other. Why?
What becomes the original north and south poles of that
1 answer
401 views
2 plane mirrors are at a right angle facing each other. A laser is beamed into one of the mirrors at an incident angle of 30
2 answers
541 views
If two bar magnets are brought together, north to north and south to south is the resultant pole strength of the combination
2 answers
545 views
A spherical tank of radius 100ft is full of gasoline weighing 40 pounds per cubic feet how much work is done in pumping the
2 answers
723 views
Coprecipitation involves:
A. Precipitation of 2 insoluble substancs simultaneously from the same solution. B. Precipitation of a
1 answer
460 views
Which major political and economic problems does North Korea face because of its autocratic policies and nuclear weapons
11 answers
5,120 views
