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Questions Asked on April 8, 2013

Ba(OH)2 is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.700 M Ba(OH)2 solution.I know
1. 2 answers
2. asked by Hana
3. 13,519 views
Graph the quadratic functionsy = -2x^2 and y = -2x^2 + 4 on a separate piece of paper. Using those graphs, compare and contrast
1. 6 answers
2. asked by ear
3. 9,504 views
A solution containing a mixture of metal cations was treated with dilute HCl and no precipitate formed. Next, H2S was bubbled
1. 3 answers
2. asked by Brunost
3. 9,076 views
Find a formula for the fourth degree polynomial p(x) whose graph is symmetric about the y-axis (meaning it has no odd powers of
1. 2 answers
2. asked by Dana
3. 5,458 views
3. The number cube shown is rolled and the spinner shown is spun. Find P(5 and blue). the number cube goes to five. the spinner
1. 50 answers
2. asked by Anonymous
3. 5,366 views
A particle hangs from a spring and oscillates with a period of 0.2 s.If the mass-spring system remained at rest,by how much
1. 2 answers
2. asked by Emily
3. 3,957 views
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 410 grams and a standard
1. 1 answer
2. asked by MD
3. 3,852 views
"One number is 5 more than another. Their sum is 53. What are the two numbers?"
1. 7 answers
2. asked by Anonymous
3. 3,659 views
1. Which of the following is an example of a dependent event?flipping two coins rolling a number cube and spinning a spinner
1. 7 answers
2. asked by Jman
3. 3,117 views
The Boeing 757-200 ER airliner carries 200 passengers and has doors with a height of 72 inches. Heights of men are normally
1. 2 answers
2. asked by Liz
3. 3,048 views
I'm in grade 11 and i was wondering if you could help me with this question. I'm doing those subjects and i would love to take a
1. 104 answers
2. asked by Ernest
3. 3,020 views
What is the pH of a 0.1 M NaOCl solution (Ka of HOCl is 2.95 x10-8)I did: x squared/.10= 2.95x10-8 x squared= 2.95x10-9 x=
1. 1 answer
2. asked by Marcus
3. 2,992 views
When 2 resistors, R1 and R2 are connected in series across a 6V battery the potential difference across R1 is 4V. When R1 and R2
1. 1 answer
2. asked by Lisa
3. 2,468 views
1._____ is the process by which food is broken down so that nutrients can be used by the body. (1 point) Absorption Digestion
1. 10 answers
2. asked by Anonymous
3. 2,233 views
Factoring to solve quadratic equations: Use the Zero-Product Property to solve each equation. Write your solution in roster
1. 2 answers
2. asked by Jane
3. 2,161 views
"The Rag Bag is having a '20% Off' sale. A pair of pants is on sale for $16. How much was it to begin with?"
1. 1 answer
2. asked by Anonymous
3. 2,130 views
if a ball is thrown vertically upward with an initial velocity of 48 ft/s, then its height, s, after t seconds is given by s(t)=
1. 2 answers
2. asked by moises
3. 1,934 views
A single-turn square loop of side L is centered on the axis of a long solenoid. In addition, the plane of the square loop is
1. 1 answer
2. asked by Valerie
3. 1,926 views
You drop a 1.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your friend's outstretched hands
1. 2 answers
2. asked by Ariana
3. 1,848 views
. Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a mid-term test.Josh received 72 on the test.
1. 3 answers
2. asked by Terry
3. 1,721 views
If 4x^3-6x^2+1=(x-2)Q(x)+ax-3 for all values of x ,where Q(x) is a polynomial in x ,find(i)the value of constant a (ii)Q(x)
1. 1 answer
2. asked by :)
3. 1,720 views
1._____ is the chemical reaction in cells that needs oxygen to release energy and produces carbon dioxide and water as waste. (1
1. 6 answers
2. asked by Anonymous
3. 1,720 views
an aqueous solution solution of sodium borate is sometimes used to to fire-proof wood.a. what is the molarity of 2.50 L of
1. 1 answer
2. asked by Jessica
3. 1,623 views
1. The admission of Missouri as a slave state was controversial in the Senate becausethe Senate was pro-slavery. it would create
1. 34 answers
2. asked by Jman
3. 1,616 views
A mass of 0.22 kg is attached to a spring andis set into vibration with a period of 0.10 s. What is the spring constant of the
1. 1 answer
2. asked by Emily
3. 1,602 views
1.Calculate the pH of a buffer solution that contains 0.32 M benzoic acid (C6H5CO2H) and 0.17 M sodium benzoate (C6H5COONa). [Ka
1. 2 answers
2. asked by Erin
3. 1,599 views
There are 6 pizzas for 8 people. If the pizzas are divided equally, how much pizza will each person receive?
1. 4 answers
2. asked by Holly
3. 1,550 views
Solve the equation on 0° ≤ θ < 360° and express in degrees to two decimal places.sin(2θ) = -0.7843 I've gotten 308.345°
1. 2 answers
2. asked by Mary
3. 1,507 views
If the strips of MG ribbon are coated with white MgO, would this cause the mass of Mg that you calculate to be too high or too
1. 2 answers
2. asked by Kate
3. 1,499 views
what does national unity preach.mention 5 institutions that promote national unity.
1. 2 answers
2. asked by gabriella
3. 1,466 views
In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment a 2.20 104-m length of wire
1. 1 answer
2. asked by Don
3. 1,418 views
An ideally efficient freezer cools food to 260 K. If the room temperature is 300K, how much work does the freezer consume when
1. 1 answer
2. asked by garnel
3. 1,368 views
dr. halite combined sodium metal with chlorine gas to make sodium chlorine (table salt). The chemical reaction used up all of
1. 3 answers
2. asked by artie
3. 1,349 views
Suppose that in the past, 94% of all Hispanic grocery shoppers were women. Perhaps due to changing cultural values, we believe
1. 3 answers
2. asked by Jason
3. 1,315 views
Mary Williams needs to change a Fahrenheit temperature to Celsius. Use theFahrenheit temperature of 80 degrees to test your
1. 1 answer
2. asked by Anonymous
3. 1,283 views
An ideal monatomic gas expands isobarically from state A to state B. It is then compressed isothermally from state B to state C
1. 0 answers
2. asked by Emilea
3. 1,280 views
find two positive number X and Y such that their sum is 35 and the product X2 Y5 is maximum?
1. 1 answer
2. asked by ramesh
3. 1,273 views
The perimeter of a square is 17.6cm.find the length of one side of the square
1. 3 answers
2. asked by raheim mckenzie
3. 1,262 views
a spherical balloon's radius was measured to be 30 cm with a maximum possible error of 0.2 cm.a) use differentials to estimate
1. 1 answer
2. asked by marisol
3. 1,262 views
A 4.1 kg bundle starts up a 31° incline with 148 J of kinetic energy. How far will it slide up the incline if the coefficient
1. 1 answer
2. asked by Ariana
3. 1,257 views
In a cooler there are 8 bottles of grape juice and 12 bottles of orange juice. There are also 6 blueberry yogurts and 9
1. 1 answer
2. asked by Lea
3. 1,227 views
What are the freezing point and boiling point of an aqueous solution of 15.5 g glucose(C6H12O6) dissolved in 150 g of water?
1. 1 answer
2. asked by Daniel
3. 1,213 views
Events and are mutually exclusive. Suppose event occurs with probability and event occurs with probability .Compute the
1. 0 answers
2. asked by Jack
3. 1,192 views
define constitution and explain federal constitution,unitary constitution,confederal constitution
1. 1 answer
2. asked by gabriella
3. 1,178 views
Tom Cruise is reported to be 5'7.8" tall. Male heights are normally distributed with a mean of 70 inches and a standard
1. 1 answer
2. asked by Rebecca
3. 1,174 views
1.Calculate the pH of a buffer solution that contains 0.32 M benzoic acid (C6H5CO2H) and 0.17 M sodium benzoate (C6H5COONa). [Ka
1. 1 answer
2. asked by Erin
3. 1,173 views
Instead of a strip of pure Mg ribbon, you are accidentally given a strip of an aluminum-magnesium alloy. You calculate the mass
1. 1 answer
2. asked by Kate
3. 1,162 views
Write the expression as a single log. Express powers as factorsln(x/x-5) + ln(x+5/x) - ln(x^2-25)
1. 1 answer
2. asked by Alley
3. 1,148 views
In a cookie jar, there are 6 choco chip cookies and 8 oatmeal cookies. Kim takes out the cookies one at a time and proceeds to
1. 1 answer
2. asked by Kim
3. 1,141 views
1. You flip a coin 30 times and get heads 11 times, so the chance of getting heads is . Is this an example of theoretical or
1. 1 answer
2. asked by Chico
3. 1,132 views
A single conducting loop of wire has an area of 7.4 10-4 m2 and a resistance of 110 Ω. Perpendicular to the plane of the loop
1. 1 answer
2. asked by Valerie
3. 1,130 views
Convex quadrilateral ABCD has sides AB=BC=21, CD=15 and AD=9. Given additionally that ∠ABC=60∘, what is the length of BD?
1. 2 answers
2. asked by stranger
3. 1,129 views
I am trying to get wxMaxima to give me arcsin(4/5), either in radians or degrees. I am usinga: 4/5$ b:asin(a)$ print("the angle
1. 4 answers
2. asked by Josh
3. 1,124 views
Find the vertex of the parabola.y = -2x2 + 12x - 13
1. 1 answer
2. asked by tammy
3. 1,123 views
STATE 4 facts and fallacies abt the effect of sports participation on women reproduction
1. 3 answers
2. asked by gabriella
3. 1,118 views
define foreign trade
1. 2 answers
2. asked by gabriella
3. 1,116 views
titration of a 50.00mL of KOH required 175.00mL of 0.0150M acetic acid, what is the Molarity of KOH solution
1. 1 answer
2. asked by Shay
3. 1,114 views
Can someone please help me with this I am not getting the same answers as the examples in the book.U={1,2,3,4,5,6,7,8}
1. 4 answers
2. asked by Carol
3. 1,104 views
Bought 3 shirts & 2 pair pants for $85 and my friend bought 2 shirts & 5 pants for $130, and the shirts are the same price, what
1. 1 answer
2. asked by Anna
3. 1,097 views
calculate the mass of sodium nitrate needed to make 550 ml of solution of concentration 0;2 mol.dmc to the power of minus 3
1. 0 answers
2. asked by Thuba
3. 1,095 views
A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first,
1. 0 answers
2. asked by bud
3. 1,095 views
The ratio of two similar prisms is 2:5 the volume of the larger is 375cm3 if sand is being poured into the smaller prism at 3cm3
1. 3 answers
2. asked by Olivia
3. 1,094 views
So I have a question regarding advanced functions, logarithm stuff.here is the question: Beginning with the function f(x) =
1. 1 answer
2. asked by Matthew
3. 1,090 views
An international agreement that aims to reduce carbon dioxide emissions and the presence of greenhouse gases. Countries that
1. 1 answer
2. asked by Brittany
3. 1,086 views
1. Yellow light of wavelength 580 nm shines on a diffraction grating with 4000 lines/cm.A.At what angles do the first-order and
1. 1 answer
2. asked by Jamie
3. 1,071 views
This is highly advanced qquestion. You have a basket draw, and you have 14 balls left form 39 ballsand 5 number will comes out
1. 0 answers
2. asked by behzad yousefzadeh
3. 1,056 views
identify and state the human and environmental factors causing HIV the under discussion
1. 1 answer
2. asked by siphesihle
3. 1,046 views
Fast food restaurants keep food hot with infrared lamps. The heat is transferred to the food by _____. condensationconduction
1. 0 answers
2. asked by Cassie
3. 1,045 views
if sin 41'=m. write m in terms of cos 41'
1. 1 answer
2. asked by thapelo
3. 1,044 views
convert y=x^2+9x+14 to factored form
1. 1 answer
2. asked by Gabriella
3. 1,038 views
Suppose you hang an object of weight W by a string from a hanging spring scale, such as the kind used in some grocery stores.
1. 1 answer
2. asked by Hanna
3. 1,032 views
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). An object is placed to the
1. 1 answer
2. asked by Anonymous
3. 1,023 views
Which weak acid would be best to use when preparing a buffer solution with a pH of 8.50?1) an acid with Ka=3.3x10^-9 2) an acid
1. 3 answers
2. asked by Anonymous
3. 1,018 views
You wish to swim across a small river to your friend on the other side. The river is 30 m wide and you begin to swim straight
1. 3 answers
2. asked by Bob
3. 1,017 views
this is a really long question. i don't understand how to answer it. help please.A 10.0% aquueous solution of sulfuric acid has
1. 1 answer
2. asked by Nicole
3. 1,015 views
1.The physical feature of Western Europe where most major cities are found is calledA. the plains. B. the glacier.<<<<<<< C. the
1. 5 answers
2. asked by bree
3. 1,015 views
compute the following items for lone pine company for 20x2, rounding all calculations to two decimal places when necessary
1. 0 answers
2. asked by tracy
3. 1,014 views
What is the expected freezing point of a 3.50 m (m standing for molality)aqueous solution of BaCl2(Kfp= 1.86 degrees Celsius/m)?
1. 1 answer
2. asked by Patricia
3. 1,013 views
A car has a unibody-type frame and is supported by four suspension springs, each witha force constant of 36100 N/m. The combined
1. 0 answers
2. asked by Emily
3. 999 views
What I the before-tax cost of 8.4% and the firm uses 35% what is QM's weighed average cost of capital.
1. 1 answer
2. asked by Vernette
3. 998 views
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its
1. 1 answer
2. asked by Felicia
3. 996 views
1. The speaker’s use of many exclamation points and imperative statements in “Beat! Beat! Drums!” helps readers feel the
1. 4 answers
2. asked by Desean
3. 969 views
calculate the ph of titration of 50.0 ml of 0.140 m hclo (aq)
1. 0 answers
2. asked by Aaron
3. 965 views
Solve the exponential equatione^x + e^-x = 6
1. 1 answer
2. asked by Tiffany
3. 965 views
For each of the following confidence intervals, indicate how much of the distribution would be placed in the cutoff region for a
1. 1 answer
2. asked by jerry
3. 959 views
air is being pumped into a spherical balloon at a rate of 8 cm^3/min. Find the rate at which the radius of the balloon is
1. 1 answer
2. asked by marisol
3. 956 views
Calculate the mass in grams of glycerol you would need to make 200 g of a 20% (w/w) glycerol solution.
1. 0 answers
2. asked by Anonymous
3. 954 views
A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for
1. 0 answers
2. asked by taryn
3. 953 views
1. The Polish economy began to grow in the 1990s because the governmentA. built more state-owned factories. B. controlled prices
1. 4 answers
2. asked by bree
3. 950 views
A string of 15 identical Christmas tree lights are connected in series to a 127 V source. The string dissipates 58 W.What is the
1. 1 answer
2. asked by Tony
3. 938 views
PLEASE HELP MY DAUGHTER WANTS ME TO CHECK HER HOMEWORK AND I DON'T KNOW TO MUCH ABOUT SCIENCE LOL! BUT PLEASE HELP PLEASE PLEASE
1. 2 answers
2. asked by Bella (The Parent)
3. 937 views
Please explain how to solve this problem.7x-6/3 + 4(8+2x)
1. 1 answer
2. asked by Janie
3. 933 views
In yeast, ethanol is produced from glucose under anaerobic conditions. What is the maximum amount of ethanol (in millimoles)
1. 1 answer
2. asked by Josh
3. 932 views
A horse and a donkey can mate with each other. Their offspring,called a mule, is not fertile. Do horses and donkeys belong to
1. 5 answers
2. asked by Gabby
3. 932 views
i nead to find to the nearest degree all values of theta in the interval 0 x 360 that satisfy the equation 3 cos 2 theta+ sin
1. 1 answer
2. asked by Anonymous
3. 928 views
how much energy is stored in a 9 volt battery rated at 10 a hour
1. 1 answer
2. asked by Susan
3. 926 views
2Mg + O2 �¨ 2MgOHow many grams of MgO are produced when 79.5 grams of O2 react completely with Mg according to this equation?
1. 0 answers
2. asked by Linzy
3. 918 views
If your partner did not take into account the vapor pressure of water when calculating the moles of hydrogen produced, would the
1. 1 answer
2. asked by Kate
3. 917 views
Consider two N-turn circular coils of radius R, each perpendicular to the axis of symmetry, with their centers located at
1. 0 answers
2. asked by abdul rahman
3. 910 views
Which description best captures Abraham Lincoln's approach to slavery before he signed the Emancipation Proclamation?A.Lincoln
1. 5 answers
2. asked by Cassie
3. 885 views

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