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Jonah

Questions and answers by visitors named Jonah

Questions (68)

Alex then paints the face of the clock with white paint. It has a diameter of 14 inches. What is the area of the clock face?Next
1. 5 answers
2. 2,894 views
The region enclosed by the curve y = ex, the x-axis, and the lines x = 0 and x = 1 is revolved about the x-axis. Find the volume
1. 5 answers
2. 2,495 views
Find the derivative of the function.y= xcosx - sinx What's the derivative? I get only one trig function. I will be happy to
1. 1 answer
2. 749 views
How do cross linked branched polymers compare to cross linked linear polymers?
1. 1 answer
2. 335 views
7(x-2)+3(x+2)=5(x-6) x=?
1. 5 answers
2. 345 views
I'm so stuck-this stuff is so far above me right now-Please help(3x^3-5^2+6x-9)/(x+5) or can someone direct me to a site that
1. 1 answer
2. 339 views
I'm so stuck-this stuff is so far above me right now-Please help where do I even start? Any hint would be so helpful-(3x^3-5^2+6
1. 3 answers
2. 517 views
Coud someone please check my answers to the questions?1.¿Qué apagas cuando tienes frío? Apago la ventiladora cuando tengo
1. 4 answers
2. 477 views
A 0.5-L saturated solution of silver chloride, AgCl, is evaporated to dryness. The residue is equivalent to 1.4 x 10^-3 mole.
1. 2 answers
2. 630 views
The freezing point of ethanol is -114.6 deg Celsius and its Kf value is 2.00degC/m. What is the freezing point for a solution
1. 2 answers
2. 504 views
What is the osmotic pressure of .100 M solution of aluminum chloride at 27 deg C?I used the formula: pi=(i)(M)(R)(T) wasn't sure
1. 1 answer
2. 402 views
What are the units for rate constant?I know each may have different units for the k value, I just don't know how to get them.
1. 1 answer
2. 411 views
The standardized NaOH solution was determined to be 120M whereas the mass of the sample of impure tartaric acid was 1.35g. If
1. 1 answer
2. 411 views
0.15g of hydrogen chloride HCl is dissolved in water to make 8.0L of solution. What is the pH of the resulting hydrochloric acid
1. 4 answers
2. 3,701 views
If acetic acid is the only acid that vinegar contains [Ka = 1.8*10-5] , calculate the concentration of acetic acid in the
1. 7 answers
2. 9,199 views
(Ksp= 5.0*10^-13)1) Calculate the molar solubility of AgBr in 3.0×10^−2 M AgNO3 solution. 2) calculate the molar solubility
1. 5 answers
2. 8,511 views
Which of the following pairs would make a good buffer solution in an aqueous solution?A) H2SO4 and NaHSO4 B) Ca(NO3)2 and HNO3
1. 4 answers
2. 5,812 views
Why is a dilute solution of boric acid H3BO3 used as an eyewash?How does it work in cleansing the eye from chemicals?
1. 4 answers
2. 3,352 views
Why does the color of Methyl Orange change at all in he presence of buffer components?
1. 2 answers
2. 957 views
A sealed 1.0L flask is charged with .500mol I2 and .500mol Br2 and an equilibrium reaction esues: I2(g)+Br2(g)=2IBr(g)When the
1. 4 answers
2. 1,761 views
Which of the following salts is NOT more soluble in acidic solution than in pure water?A. ZnS B. AgCN C. Ba3(PO4)2 D. ZnCO3 E.
1. 4 answers
2. 2,455 views
What is the pH of a solution that is .060M in potassium propionic and .085M in propionic acid?Ka=1.3E-5 for the acid. The answer
1. 2 answers
2. 654 views
A tank contains exactly 10^(6)liters of pure water. 1.0*10^(-6) moles of HCl (g) is bubbled into this tank. What is the
1. 1 answer
2. 361 views
Glycerol is a nonvolatile water soluble material. It's density is 1.25g/ml.Predict the vapor pressure of a solution of 2.40E2 ml
1. 2 answers
2. 728 views
The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the
1. 3 answers
2. 1,402 views
The volume of a rectangular solid is 250 cubic centimeters. If its length is tripled, its width is halved, and its height is
1. 2 answers
2. 624 views
How can you tell where on a graph f is discontinuous? What are the criteria?
1. 5 answers
2. 358 views
How do you determine that a certain reagent will result in syn addition, anti addition, or be nonstereospecific?For instance the
1. 1 answer
2. 1,026 views
Suppose 100.0 mL of 1.00 M HCl and 100.0 mL of 1.00 M NaOH, both initially at 23.0°C, are mixed in a thermos flask. When the
1. 2 answers
2. 830 views
A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag
1. 3 answers
2. 973 views
Why DNA cannot grow from 3’ to 5’ direction — why this is important for proofreading?
1. 1 answer
2. 361 views
Consider the titration of 20.0mL of 0.300M acetic acid, HAc, with 0.150M NaOH solution. Ka=1.75*10^-5HAc + NaOH ---> NaAc + H2O
1. 3 answers
2. 637 views
for a normal curve what percentage of values falls beyond two standard deviations from the mean
1. 2 answers
2. 460 views
Which of the following information would best be displayed through the use of a timeline?
1. 10 answers
2. 2,803 views
What is the best estimate for the sum of 5/12+2/5
1. 5 answers
2. 988 views
As a result of the 1763 Treaty of Paris, Great Britain gained complete control over?
1. 7 answers
2. 1,456 views
What type of relationship is shown between the x- and y-values on the graph?
1. 10 answers
2. 8,005 views
In Act 1, Scene 5, the young Scrooge’s beloved ends their relationship. She says, “Have I not seen your nobler aspirations
1. 10 answers
2. 3,794 views
Alex mounts the clock on a wood base with the shape shown at the right what is the area of the wood basethe composite figure is
1. 4 answers
2. 1,433 views
A light, ideal spring with a spring constant k = 100 N/m and uncompressed length L = 0.30 m is mounted to the fixed end of a
1. 3 answers
2. 1,408 views
What is the probability of in a room with 15 people, there will be at least one shared birthday?
1. 1 answer
2. 433 views
There are 20 pink balloons in a bunch of 100. 34 people out of 100 like pink balloons( versus other colors). What is the
1. 1 answer
2. 615 views
Find the area of the figure. Round to the nearest tenth if necessary.T(-1,8), U(3,5), V(4,0), R(-3,0), S(-3,5)
1. 3 answers
2. 1,360 views
Find the area of the figure. Round to the nearest tenth if necessary.D(0,2), E(4, -2), F(8,2) instead of d and f connecting with
1. 2 answers
2. 722 views
Find the lengths of each side give the following right triangle:Base=x hypotenuse=x+6 last side=x+3 thank you!
1. 2 answers
2. 479 views
If a ball is thrown straight up from the top of a building that is 407 feet high, the position in feetabove the ground is given
1. 2 answers
2. 693 views
Jessie paddled her canoe 20 miles upstream, then paddled back. If the speed of the current was3 mph and the total trip took 7
1. 4 answers
2. 730 views
Find the surface area of a cylinder with the given dimensions. Round to the nearest tenth.d= 14mm and H = 32mm
1. 2 answers
2. 648 views
Determine whether each statement is true or false.A chord that contains the center of the sphere is a diameter of the sphere. A
1. 5 answers
2. 764 views
Every great circle of a sphere passes through its center.true or false?
1. 2 answers
2. 759 views
Given that f(x) = -5x + 8a. Find f^[-1](x) b. Find f(3) c. Find f^[-1](3) Thank You!!
1. 1 answer
2. 333 views
Write the equation for a circle that has a center (-2, 4) and radius of 3cm.
1. 1 answer
2. 388 views
The following points are plotted on a coordinate plane:(-1,2),(-1,7), and (4,2). If the points are connected by straight lines,
1. 15 answers
2. 4,482 views
What is the natural logarithmic regression equation for the following data? Estimate the value for x = 15x 2, 4, 7, 10 y 3, 8,
1. 4 answers
2. 994 views
The Colemans finance their home with a $90,000 mortgage loan at 9.25% APR. What will their monthly payments be if the load has a
1. 3 answers
2. 1,282 views
Sulfur can form a bond with any of the following elements: oxygen, chlorine, bromine, or phosphorus. Which of those elements
1. 3 answers
2. 1,629 views
Find the acute angle theta that satisfies the given equation. Give theta in both degrees and radians.cot(theta)=1/sqrt(3) The
1. 3 answers
2. 1,422 views
What type of bonds exist between the atoms of NH4+? Explain the bond(s).
1. 1 answer
2. 452 views
what is the valence of Phosphorus in Phosphorus pentachloride? I think its 5, because thats how many valence electrons are in
1. 2 answers
2. 805 views
Find the polar equation of an ellipse with a focus at the pole and major axis endpoints (4, 0)and (2, 𝞹). Thank you!
1. 1 answer
2. 925 views
Find the polar equation of the conic with focus at the pole, having eccentricity 5 anddirectrix y = -6. Thank you so Much!
1. 2 answers
2. 1,112 views
Find the parametric equations of the line through the points (2, -1, 3) and (-1, 4, 0).
1. 3 answers
2. 604 views
Why did cattle owners have to buy private property on which to keep their cattle
1. 2 answers
2. 711 views
hey everyone this is my first post but im looking for some help i was sick and missed a lot of school and im working on a
1. 2 answers
2. 624 views
Jakarta is filling in a Venn diagram with characteristics on the middle section by writing about the things they had in common.
1. 1 answer
2. 425 views
(3 3/8)^1 ½
1. 2 answers
2. 123 views
Bricks have a mass of 1.75kg each. How many bricks are there in 21/4tonnes
1. 3 answers
2. 84 views
Bricks have a mass of 1.75kg each.How many bricks are there in 21/4tonnes?
1. 3 answers
2. 82 views

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