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Audrey
Questions (184)
3.5*10^-4
7.52*10^-3 2.17*10^-4 2.815*10^4 1.667*10^3 3.17*10^9 5.34*10^-5
1 answer
73 views
A Ferris wheel is boarding platform is 4 meters above the ground, has a diameter of 72 meters, and rotates once every 10
1 answer
301 views
what is the least number of plum can be shared equally among 3,6,12
1 answer
201 views
• Predict long term consequences of the consumer economy during the 1920's on the United States
7 answers
281 views
Urea (CH4N20 ) is a common fertilizer that can be synthesized
by the reaction of ammonia (NH3) with carbon dioxide: In an
1 answer
352 views
A systems designer is the role most responsible for coordinating the technical aspects of a project, such as what programming
3 answers
557 views
Ms. Gallegos burns 236 calories riding her bike each hour. She wants to burn more than 590 calories riding her bike at the same
1 answer
386 views
How many fifths are in 60?
4 answers
390 views
You have used 500 quarts of water. 85% of the water remains. How many quarts of water were used?
1 answer
283 views
Suppose that 48 out of every 120 students at Piedmont like to dance. And, of the people who like to dance, 3 out of 5 plan to
1 answer
441 views
i need help on this Utah history quiz.
3 answers
383 views
I need help to classify the solid figure. Lesson 9: Three-Dimensional Figures CE 2015
Math 7 B Unit 2: Measurement Assessment
10 answers
5,088 views
The Continental Army gained a knowledge of professional tactics and drill from a Prussian military mercenary,
4 answers
769 views
URGENT!!
why is gender important in spanish
1 answer
416 views
1)(6.0 × 10 to the 5th power) × (3.0 × 10 to the 4th power)
A) 18 × 10 to the 20th power. B) 18 × 10 to the 9th power. C)
18 answers
2,034 views
which symbol will make |-8| ? 8 true
A.) > B.) < C.) = D.)its a equal (=) sign with a line (/) though it and I don't know whats
6 answers
4,041 views
which property is shown by 0+9=9
A.) Distributive Property B.) Commutative Property of Addition C.) Identity Property of Addition
25 answers
7,698 views
Which of the following is not a modal?
A.) An ant farm B.) A bicycle C.) An atlas D.) A plastic human skeleton I'm not really
2 answers
551 views
How do you know which element is being oxidized? Oxidation is lost, Reduction is gained.
So in this equation: 2 MnO4^- + 5
5 answers
678 views
The function f is defined by f(x)=2x^2-6x+5
Find the set of values of p for which the equation f(x)=p has no real roots. Thanks
5 answers
5,504 views
Solve this pair of equations by the elimination method: 4x-3y=-4
3x=2y-4
3 answers
1,255 views
When a 6.50g sample of solid sodium hydroxide dissolves in 100.0g of water in a coffee cup calorimeter, the temperature rises
5 answers
3,966 views
Calculate the molarity of the H2SO4 solution if 17.45 mL of NaOH was necessary to reach the endpoint of titration. The molarity
2 answers
1,346 views
Warner Cable Company needs to replace 5 vehicles. It considering 2 different types: Type HC with a higher cost and higher gas
1 answer
510 views
An analytical chemist weighs out 0.225g of an unknown diprotic acid into a 250mL volumetric flask and dilutes to the mark with
3 answers
2,988 views
Find the equation of the tangent line to the curve 2x^2y-3y^2=-11 at the point (2,-1).
2 answers
488 views
A particle moves according to the equation of motion s(t)=t^2-2t+3 where s(t) is measured in feet and t is measured in seconds.
4 answers
952 views
A water trough is 5 m long and has a cross-section in the shape of an isosceles trapezoid that is 30 cm wide at the bottom, 70
5 answers
1,881 views
1. What is a reasonable distance between two cities?
• 200 km <<< • 200 m • 200 cm • 200 mm 2. Which value correctly
113 answers
19,043 views
Describe the procedure you would follow to determine the concentration of Vitamin C in a sample if the volume of DCPIP required
2 answers
645 views
Describe the procedure you would follow to determine the concentration of Vitamin C in a sample if the volume of DCPIP required
3 answers
969 views
because many pacific economies depend on the environment, how might an exceptionally wet growing season effect the farmers in
1 answer
86 views
When aluminum is reached in a closed container with 8.36 g of O2, how many grams of Aluminum oxide can form
1 answer
442 views
1. When you paraphrase a line of poetry, what do you do?
A.You turn it into a question. B.You put it in your own words. C.You add
54 answers
6,913 views
1. Which BEST describes the differences that divide Maayan and Muhammad?
A. age and interests B. physical barriers C. culture and
3 answers
961 views
How many perpendicular bisectors can be constructed for a line segment?
A. 0 B. 1 C. 2 D. infinitely many I think D!
4 answers
2,312 views
HELP!! I don't know this question: where would you most likely find south america's largest cities? Help! Someone tell me what
1 answer
334 views
Help me! T~T
How do you subtract with algebra?
1 answer
339 views
Victoria buys two pairs of sunglasses for $8 each.About how mucho did she pay for Both pairs of glasses?Foundation to the
3 answers
555 views
Three point charges are located at the corners of an equilateral triangle as in the figure below. Find the magnitude and
3 answers
1,469 views
Dr. Hernandez plans to measure FEV in a random sample of n young women from a certain popu- lation, and to use the sample mean y
2 answers
553 views
The distribution of cholesterol levels of the residents of a state closely follows the normal curve. Investigators want to test
25 answers
730 views
A statistical test is performed, and its P-value turns out to be about 3%. Which of the following must be true? Pick all that
2 answers
880 views
Solve the equation
log[1/6](x^2+x)-log[1/6](x^2-x)=-2
2 answers
743 views
Solve the inequality. Write the solution in interval notation.
(x+14)/(x-8)≥ 1
3 answers
1,086 views
7=2-5m; m=
X+ 0.054= -1.802; x= If u can help me out or answer these for me u arr awesome and thank you.
9 answers
415 views
The load L a horizontal beam can safely support varies jointly as the width w and the square of the depth d and inversely as the
5 answers
4,586 views
Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).
5 answers
503 views
A rubber ball (mass 0.30 kg) is dropped from a height of 2.0 m onto the floor. Just after bouncing from the floor, the ball has
1 answer
863 views
A 15.0 mL sample of 0.250 M H2SO4 is neutralized by 20.5 mL of KOH solution. What is the molarity of the KOH solution?
3 answers
986 views
What would a women with type 1 diabetes test glucose score be is she did not fast 2 hours prior?
1 answer
390 views
As the administrator of a local nursing home, you have just received notification that the organization is being purchased by a
2 answers
523 views
Identify and give examples of three techniques you would use to explore Sally's story. Your examples should be worded as if you
1 answer
432 views
one third of the people in a convention room are seated in three-fourths of the chairs. THe rest of the people in the room
4 answers
1,062 views
Essay on how accleration due to gravity is used to benefit mankind
1 answer
347 views
¿Cómo son las monedas de pesos mexicanos?We had to do a reading and type the answers-not sure about this question
Hay monedas
5 answers
1,154 views
1. The problem statement, all variables and given/known data
a ball is thrown straight down from the top of a 220 feet building
3 answers
1,697 views
Test the hypothesis that for the population of students in this professor's classes each additional homework problem complete
1 answer
405 views
The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares)
Pl
3 answers
666 views
The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares)
Pl
2 answers
791 views
Using measures of center and measures of variability compare the number of hours on school work (Q11) and the number of hours
1 answer
476 views
From the MM207 Student Data Set identify the following:
a) A variable measured at the nominal level of measurement. b) A variable
2 answers
721 views
If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity? 79N
1 answer
1,311 views
If the force of friction acting on a sliding crate is 79 N, how much force must be applied to maintain a constant velocity?
2 answers
575 views
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in
2 answers
590 views
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in
5 answers
638 views
There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in
4 answers
687 views
A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the
2 answers
546 views
A farmer walks into a store and heads for the counter. On the counter is a basket of hard-boiled eggs. The farmer says to the
5 answers
583 views
3 boxes are in a room. You know that one contains apples, one contains oranges, and one contains both apples and oranges, nut
4 answers
1,092 views
three boxes are in a room. You know that one contains apples, one centains oranges, and one contains a mixture of apples and
2 answers
1,386 views
2x=x+7
1 answer
251 views
Anyone know anyone that I could find in the internet who never gives up?
6 answers
307 views
Perform the indicated operations of 5/8-(2-7)
3 answers
527 views
what is the average total 0f 60 90 and 120
1 answer
338 views
If you were a housing contractore how would you go about avoiding structure failure in the house that you build in terms of:1
1 answer
361 views
Molarity of .100 mole of urea (CH4N2O) in 250.0 mL of solution
2 answers
1,155 views
Find the pH of a solution prepared by taking a 50.0 mL aliquot of a solution prepared by dissolving 12.25g of NaOH and 250.0 mL
3 answers
697 views
How do you convert rectangular equations into polar equations? If x4−y4=xy , then
r2=atan(b); What is a? What is b?
4 answers
3,712 views
A curve with polar equation
r=(8)/7sinx + 36cosx represents a line. This line has a Cartesian equation of the form y=mx+b ,where
4 answers
1,044 views
the rate of formation of NH3 is .15 mol/Lmin. What is the rate of this reaction?
N_2_ + 3H_2_ ---> NH3 the answer should be .075
4 answers
2,128 views
x + 2y ---> products is first order in c and 2nd order in y. what are the units of K, the specific rate constant, if the
1 answer
531 views
From this information-
a + c_2_ ---> ac + c Slow ac + a ---> a_2_c Fast 2a + c_2_ ---> a_2_c + c Overall -you know that it is 1st
1 answer
359 views
SF4 ---> SF2 + F2
rate constant (k) = .011 l/molxS [SF4]2 How many minutes will it take for the concentration of SF4 to be
3 answers
1,504 views
A(g)+ B(g) <---> C(g) + D(g)
Kc= 144. If .4 mol of A and B are placed in a 2 Liter container, what will be the concentration of C
3 answers
458 views
A(g)+ B(g) <---> C(g) + D(g)
Kc= 144. If .4 mol of A and B are placed in a 2 Liter container, what will be the concentration of C
1 answer
395 views
what is the pH of a solution that is .15 M in HOCl and .25 M NaOCl after .05 mol HCl/L has been bubbled into the solution?
this
3 answers
1,063 views
Calculate the value of [H3O+] in a 0.01 M HOBr solution. Ka = 2.5E-9
I'm having a problem with just writing the equilibrium
4 answers
1,168 views
The solubility of Fe(OH)2 is 3.00 10-3 g in 2.00 liters at 18°C. What is its Ksp at 18°C?
1 answer
625 views
How many grams of MgF2 will dissolve in 150. mL of 0.100 M NaF solution?
Ksp for MgF2 = 6.4 x 10-9
1 answer
930 views
Calculate the ionization constant, Ka, of phenol (HC6H5O), a weak acid, if a 0.25 M solution of it has a pH of 5.24.
2 answers
900 views
The following system is at equilibrium with [N2O4] = 0.55 M and [NO2] = 0.25 M. If an additional 0.10 M NO2 is added to the
3 answers
1,080 views
What is the value of [OH-] in a 0.015 M CH3COOH solution? Ka = 1.8 x 10-5
I started by writing the equation: CH3COOH + H2O <--->
3 answers
977 views
If solid AgNO3 is slowly added to a solution that is .05 M in NaI and .12 M in NaCl, what is the concentration of I- when AgCl
2 answers
709 views
If 100 mL of .03 M HCL solution is added to 100 mL of buffer solution which is .1 M in NH3, and .1 M in NH4Cl, what will be the
1 answer
450 views
what is the [H3O+] of a solution that is .01 M in HOCl and .03 M in NaOCl?
1 answer
486 views
A sample of only solid ammonium chloride was heated in a 1 L container at 500 C. At equilibrium, the pressure of NH3 (g) was
2 answers
968 views
1.00 mol of A and 2.00 mol of B are placed in a 5 Liter container. after equilibrium has been established, .50 mol of D is
2 answers
579 views
How many grams of potassium formate, KHCOO, must be added to 500 mL of a .07 M solution of HCOOH to produce a buffer solution
2 answers
524 views
Solve:(sec 35 degrees) (csc 55 degrees) - (tan 35 degrees) (cot 55 degrees)
4 answers
2,390 views
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