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Jon
Questions (757)
Silver chloride can be prepared by the reaction of 100mL of 0.20M silver nitrate with 100mL of 0.15M calcium chloride. after the
4 answers
1,509 views
Zinc metal reacts with hydrochloric acid to produce zinc (II) chloride and hydrogen gas. what volume (in mL) of 2.0M HCl is
1 answer
1,841 views
Which of the following solutions contain the greatest total ion concentration?
a) one mole of potassium chloride dissolved in
1 answer
3,074 views
Which of the following solutions contain the greatest total ion concentration?
a) one mole of potassium chloride dissolved in
1 answer
1,771 views
Zinc metal reacts with hydrochloric acid to produce zinc (II) chloride and hydrogen gas. what volume (in mL) of 2.0M HCl is
0 answers
849 views
when 12.5mL of 0.28M HNO3 and 5.0mL OF 0.46M Ba(OH)2 are mixed, is the resulting solution acidic, basic, or neutral?
1 answer
634 views
How would you writ the set of all recipricols of the natural numbers? I think it's (1/1 (I don't know if 1/1 is considered part
6 answers
445 views
Durning the industrial revolution, as the expansion of industry happened and the scale and volume of production increased, what
3 answers
925 views
A capacitor network has two capacitors in series: 150nF and 120nF. The potential difference between point a on the outer side of
1 answer
800 views
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
1 answer
1,675 views
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
0 answers
1,074 views
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
0 answers
1,066 views
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
0 answers
716 views
How does capital help human productivity in relation to farm labor, office help, teaching, or government administration? I know
3 answers
471 views
Consider a weak acid-strong base titration in which 25.0 mL of 0.100 M acetic acid is titrated with 0.100 M NaOH.
a) Calculate
1 answer
1,095 views
Assume that a muscle is having a force of 300N is pulling at an angle of 75 degrees. What are the components of the force both
0 answers
491 views
Assume that a muscle is having a force of 300N is pulling at an angle of 75 degrees. What are the components of the force both
0 answers
390 views
A parallel-plate capacitor is constructed from two circular metal plates or radius R. The plates are separated by a distance of
1 answer
1,399 views
A parallel-plate capacitor is constructed from two circular metal plates or radius R. The plates are separated by a distance of
2 answers
1,091 views
You have a circuit with a 4 uF capacitor connected in series to 2 capacitors connected in parallel (2 uF and 1.5 uF). The
1 answer
1,284 views
I have a ? that I am kind of stuck on. It says give an infinite list of natural numbers that are not prime. I know half of the
1 answer
2,028 views
How did the breakdown of the feudal economy of the Middle Ages lead to the emergence of capitalism? and also What economic
3 answers
948 views
Hey can you please explain Fibonacci numbers in the simplest way possible because I really don't get them. Like i know the
0 answers
487 views
If 200g of water at 20˚ C is combined with 100g of water at 80˚ C, what is the final temperature of the 200g of water?
How do
1 answer
1,560 views
Solve the following equations for x:
X = 2 + (1/x) , X = 3 + (1/x) How do I do this type of problem? Thanks
2 answers
453 views
Hi, I need to find places on a map using the longitude and latitude. I have to name the capital and country. Can you provide me
3 answers
930 views
are you graded on cookling projects sense you do them at home?
1 answer
420 views
Evaluate:
integral x^3/[sqrt*(x^2+100)]dx can someone tell me what they get as a final answer..I've been going at this for hours
3 answers
539 views
Evaluate:
integral x^3/[sqrt*(x^2+100)]dx can someone tell me what they get as a final answer..I've been going at this for hours
2 answers
463 views
A block with mass M rests on a frictionless surface and is connected to a horizontal spring of force constant k, the other end
1 answer
5,076 views
Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is half
1 answer
863 views
An object in SHM oscillates with a period of 4.0 s and an amplitude of 10 cm. How long does the object take to move from x=0cm
2 answers
2,619 views
How do you determine the force constant of a spring when given the mass of an object being hung vertically, and the distance the
4 answers
544 views
what is not moving; fixed?
1 answer
899 views
A merry-go-round is rotating at 4.775 revs/min with a 45 kg child on the outer edge. The radius is 2.0 m. The child moves to the
2 answers
912 views
A 1000kg space craft at 500m/s is on a collision course with a 400kg satellite travelling at 700m/s. Their paths are converging
1 answer
625 views
A 1000kg space craft at 500m/s is on a collision course with a 400kg satellite travelling at 700m/s. Their paths are converging
1 answer
801 views
A ferris wheel, radius 5.0m, rotates once every 8.4 seconds.
a) What is the centripetal acceleration of a 60kg person at the
3 answers
1,197 views
What are the 6 underlying presumptions that accompany each contractual agreement when a contract is formed. ?
0 answers
337 views
I'm writing a paper and don't know if this sentence sounds alright.
I face challenges head on and when I want to complete
1 answer
481 views
Suppose all of the apples have a mass of 0.10 kg. If apple (A) is sitting on the ground, what is its potential energy?
A) 0.10 J
3 answers
1,823 views
Which of the following molecules are linear?
BF3 HN3 COS NH3 O3 SiF4 AsH3 SO2 C2H2 PF3 CF4 H2O SO3 HCN N2O H2S CS2 After drawing
0 answers
588 views
Describe the spectrum of the light from a fluorescent lamp and from an incandescent (tungsten filament) lamp, and try to explain
1 answer
1,509 views
If tanx=5/12 then what is sinx/2?
1 answer
1,123 views
Alright, I'm writing a research paper and am so confused. My topic is on whether or not participating in music affects a
0 answers
1,217 views
A cell that is entering the M phase of the cell cycle is:
A. always diploid, either with duplicated or unduplicated chromosomes
0 answers
1,207 views
Ms.Sue, i think that the verb is becomes and the oredicate noun is cheese?
1 answer
426 views
What is the predicate noun or predicate adjective in this sentence; The thickened mass eventually becomes cheese.
7 answers
970 views
What is the verb and predicate noun or adjective in this sentence: Rennett is an extract made from the lining of a calf's fourth
1 answer
1,135 views
What volume of NaOH is required to neutralize 50mL of 0.5M phenol?
So this is just a small calculation in a complex problem, and
1 answer
1,096 views
A 0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. The velocity of the rock
2 answers
1,505 views
The bottom of a box has a surface area of 31.4 cm2. The mass of the box is 47.1 kilograms. Acceleration due to gravity at sea
3 answers
1,357 views
I have a presentation on the graphic version of Kidnapped by Robert Louis Stevenson, and its adapted By Alan Grant and
0 answers
507 views
The specific heat of ice is 0.5 calories/gram.
60 grams of ice will require _____ calories to raise the temperature 1°C. so i
5 answers
2,026 views
A cowboy at a ranch fills a water trough that is 1.1 m long, 62 cm wide, and 48 cm deep. He uses a hose having a diameter of 2.4
2 answers
869 views
Hi I have to do a presentation on the graphic version of the novel "Kidnapped" by Robert Louis Stevenson. I plan on doing a
2 answers
658 views
Hi I have to do a presentation on the graphic version of the novel "Kidnapped" by Robert Louis Stevenson. I plan on doing a
0 answers
423 views
Multiple select
These cultural characteristics indicate the influence of the early colonists in Latin American. 1) Spanish is the
4 answers
1,266 views
European countries used different styles of colonial rule in the Caribbean. How did differences in colonial rule affect musical
1 answer
667 views
How does a command economy affect a worker's life?
1 answer
638 views
You have 20mL of a solution of concentration 0.015mg/mL of x in test tube #1.
Prepare serial dilutions of your stock solution,
1 answer
903 views
The coefficient of static friction between hard rubber and normal street pavement is about 0.42. On how steep a hill (maximum
1 answer
1,000 views
By using past studies and scholarly articles, I became more informed of the affects that participating in music has on
2 answers
504 views
Alright for my 1 paper i am writing this sentence and i don't know if its grammatically correct.
All I could think of was “what
1 answer
553 views
copper and chlorine are likely to form a metallic bond, right?
1 answer
1,169 views
The type of bond formed by shared electrons is ____.
covaletn, right?
2 answers
514 views
The latent heat of vaporization of ethanol is 200 calories/gram. This means that _____.
a) about 200 calories of heat must be
4 answers
1,295 views
A 70.8mL sample of "wet" O2(g) is collected over water at 29.9 degrees Celsius at a barometric pressure of 743 mmHg. The vapour
2 answers
772 views
The compass in a plane indicates that the plane is heading due east, with an airspeed of 250 km/h (Vpa). A steady wind is
0 answers
952 views
A 1.85-g sample of a mixture of KCl and MgCl(subscript 2) is treated with excess AgNO(subscript 3) (aq). If 3.82 grams of
1 answer
769 views
I know what the graph of:
y=cos^-1(cos(x)) looks like. However, can someone explain to me how you would know how to sketch it
1 answer
460 views
I know what the graph of:
y=cos^-1(cos(x)) looks like. However, can someone explain to me how you would know how to sketch it
0 answers
405 views
Explain in detail the energy transformations and obsorption in the following. Four different colored shirts placed in the sun.
0 answers
401 views
what properties of sugar change when it is dissolved in water? what properties stay the same
2 answers
1,004 views
what type of solution is formed when steam from boiling water evaporates into the air? explain.
1 answer
456 views
can a solution be made by mixing a solid, liquid, and a gas? explain.
1 answer
524 views
can a solution be made by mixing a solid, liquid and a gas?
1 answer
255 views
If a person does 80 J of work in moving a 30 \rm{kg} box over a 13 m distance on a horizontal surface, what is the minimum force
1 answer
604 views
What is the domain and range of the following function?
f(x)= - sqrt(-lnx+2) For the domain, I got 0<x<or equal to e^2 Is this
4 answers
675 views
In increasing order, rank:
3^ln 2, 2^3, 2^ln 3 *do not use a calculator, and explain your choices Obviously, 2^3=8 So,
1 answer
618 views
Simplify as much as possible:
e^3ln5 Does the three become an exponent on 5? So.. =e^ln5^3 =25 Can someone verify this for me
1 answer
515 views
A tennis player strikes a ball when it is 1.1 m above the ground, with a velocity 20 m/s at 17 degrees above the horizontal. The
3 answers
1,060 views
An airplane has a velocity of 454 km/h relative to the moving air. At the same time, a wind blows northward with a speed of 99
2 answers
919 views
I'm trying to find out what the graph of:
y= |x+1| + |x+2| looks like. could someone help me out?
1 answer
355 views
A cheetah can maintain its maximum speed of 120 km/hr for 38 seconds. What minimum distance must a gazelle running 74 km/hr be
3 answers
4,478 views
1.
A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 81 km/hr in 10
2 answers
2,253 views
is a number with the most digits always greater?
1 answer
334 views
Find the values of x for which the line y=2x intersects the parabola y=(x-1)^2+1.
So I set the equations equal to eachother, and
1 answer
527 views
Okay, I have a graph of the f(x). It is a parabola that opens up. What does the graph of f(|x|) look like (the absolute value).
2 answers
653 views
A girl notices a ball moving straight upward just outside her window. The ball is visible for 0.25 seconds as it moves a
1 answer
1,647 views
For each of the following sublevels, give the n and l values and the number of orbitals.
(a) 3s (b) 5f (c) 5g
1 answer
1,684 views
How many orbitals in an atom can have each of the following designations?
(a) 3p (b) n=1
1 answer
1,030 views
A 295 lb fullback runs the 40 yd dash at a speed of 19.3 ± 0.1 mi/h.
(a) What is his de Broglie wavelength (in meters)? (b) What
2 answers
864 views
Enormous numbers of microwave photons are needed to warm macroscopic samples of matter. A portion of soup containing 225 g water
2 answers
866 views
If a cubic foot of water weighs approximately 62.5 pounds, find the weight of the water in a swimming pool which is 16 yards
3 answers
1,884 views
People that have nearly drowned in cold water can sometimes be revived. However, people that have been in warm water for the
1 answer
578 views
I'm writing an essay and my textbook doesnt have an author, so I how would i write a direct quote from the book. The book is
1 answer
612 views
In cool weather, the number of chirps per minute from crickets diminishes. How can this be explained in terms of rates of
1 answer
1,495 views
Compare two reactions, one requiring the simultaneous collision of three molecules and the other requiring a collision between
2 answers
785 views
What are the similarities and differences of cultural ethics and situational ethics?
1 answer
472 views
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