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Dana

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If 1.70 liters of 0.670 M CuSO4 solution is electrolyzed by passing 4.70 amps through the solution for 3.00 hr using inert
1. 0 answers
2. 513 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1. 0 answers
2. 378 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1. 0 answers
2. 367 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1. 0 answers
2. 383 views
Suppose that 50.0 mL of 0.25 M CH3NH2(aq) is titrated with 0.35 M HCl(aq).(a) What is the initial pH of the 0.25 M CH3NH2(aq)?
1. 1 answer
2. 1,532 views
Balance the following redox reactions assuming a basic solution. Show all the steps.a. MnO2(s) -> MnO4^-2 + H2 (g) b. H2O2 (aq)
1. 1 answer
2. 1,396 views
use multiplying by 1 to find expression equivalent to 16/17 with denominator of 102d
1. 1 answer
2. 524 views
what distance does the electromagnetic radiation travel in 50.0 (nu)s?
1. 3 answers
2. 1,569 views
How many milliliters of 0.10 M H3PO4 could be neutralized by 20.0g of NaOH?H3PO4(aq)+3NaOH(aq)->3H2O(l)+NaPO4(aq)
1. 2 answers
2. 517 views
if 125 ml of H2O is added to 50 ml of 0.35 M NaCl, what is the molarity of the resulting solution?
1. 1 answer
2. 560 views
what is the osmolarity of a .20 M solution of Na3PO4?
1. 1 answer
2. 1,233 views
write the formula of the conjugate acid for base H2PO
1. 2 answers
2. 549 views
Point (-6,-2) lies on a parabola that has its vertex at (0,1). Write the equation of the parabola. Indicate whether the graph
1. 0 answers
2. 481 views
A 1000-kg space probe is motionless in space. To start moving, its main engine is fired for 5 seconds during which time it
1. 1 answer
2. 2,046 views
A 0.60-kg particle moves along the x-axis. Its potential energy is given by U(x)=5x^2, where U is joules and x is in meters. If
1. 1 answer
2. 557 views
Magnesium reacts with HCl to produce magnesium chloride and hydrogen gas.Mg(s)+2HCl(aq)->MgCl2(aq)+H2(g). What is the molarity
1. 1 answer
2. 1,214 views
Calcium carbonate CaCO3 reacts with stomach acid (HCl, hydrochloric acid) according to the following equation:CaCO3(s)+2HCl(aq)-
1. 5 answers
2. 4,343 views
Is toothpaste a mechanical mixture or a solution?
1. 2 answers
2. 1,801 views
Calculate the expansion work done when 50 g of water is electrolysed under constant pressure at 25C
1. 9 answers
2. 8,023 views
a car starting from rest is accelerated at 2m/s(square) for 10s, then moves at constant velocity for 20s and then decelerates at
1. 3 answers
2. 1,054 views
A farmer has 230 ft of fence to enclose a rectangular garden. What is the largest garden area that can be enclosed with the 230
1. 4 answers
2. 1,051 views
A steel cylinder contains 128 grams of oxygen (O2) at 25*C and a pressure of 1000 torr. at STP 1 mol of a gas occupies 22.4 L.
1. 2 answers
2. 744 views
What is the mechanism for the following:1)KOH in alchohol phenanthrene-9,10-dione -------------> 2) H^+
1. 0 answers
2. 393 views
NO and NO2 are the nitrogen oxide gases being produced. Give the balance equation for both.
1. 2 answers
2. 405 views
5. A drug company has a monopoly on a new patented medicine. The product can be made in either of two plants. The costs of
1. 1 answer
2. 1,093 views
I was wondering what three thought provoking, open discussions could be that is related to President Wilson's 14 points and
1. 1 answer
2. 638 views
If a rock contains an isotope with a half live of 600 million years, and 0.5 half lives have elapsed since the rock formed, how
1. 1 answer
2. 612 views
Find an interval of t-values such that c(t)=(2t+1,4t-5) parametrizes the segment from (0,-7) to (7,7). What do you do???
1. 1 answer
2. 1,323 views
Factor.3x^2 + 5x + 2 = 0
1. 3 answers
2. 348 views
Hi,I am having a hard time finding the faulty parallelism, I could see it in my other exercises, but not these. Would you be
1. 3 answers
2. 698 views
Wat dose perro al lado mean
1. 2 answers
2. 470 views
a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56 houses
1. 1 answer
2. 465 views
Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your
1. 0 answers
2. 448 views
Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your
1. 0 answers
2. 505 views
How did geographic features help shape european cultures? Provide examples to support your answers.
1. 1 answer
2. 1,341 views
What clear liquid has a density of 0.814 g/mL but is not an alcohol?
1. 3 answers
2. 629 views
Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form ax^2 + bx
1. 2 answers
2. 765 views
density- 0.818g/mLboiling point- 78.5 degrees C heat of vaporization- 210cal/g a)How much energy, in calories, will be required
1. 1 answer
2. 1,226 views
Solution A is 30% acid and solution B is 60% acid. How many gallons of each solution must be used to create a 60 gallon mixute
1. 1 answer
2. 1,416 views
I have no clue where to start with this, can someone help and explain this to me please?Benjamin O'Henry has owned and operated
1. 1 answer
2. 730 views
At what reading on the Richter scale are classified mas major?
1. 1 answer
2. 412 views
Acid is a proton donor and base is a proton accepter?first of all, please respond to this, i have a huge test tomorrow and would
1. 1 answer
2. 752 views
In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 seconds and move the next bottle into place in 0.1 s. How
1. 1 answer
2. 522 views
Why do different people have different religious beliefs?
1. 4 answers
2. 480 views
Define homebuilders elastic and inelastic features
1. 0 answers
2. 778 views
-5 exponent 2=?-(-5) squared=?
1. 4 answers
2. 379 views
I don't know proceedure to figure, I have answer: -50I cannot figue out steps to get correct answer. I keep getting 0. -52 -
1. 1 answer
2. 897 views
responding to an earlier post that was not clear, I am interesed in a time line of the development of early Americian history of
1. 1 answer
2. 511 views
Any information please about the English explorers who landed on Roanoke Island in North Carolina and their connection to the
1. 1 answer
2. 597 views
Looking for resources to better understand 1400-1700 timeline
1. 2 answers
2. 474 views
Find the coordinates of the midpoint of each segment.GI G=-5 I=1
1. 2 answers
2. 598 views
dividing a polynomial by a polynomialexample x-3/x with exponent of 2 -10x+9 or even 2x-3/x with exponent of 2 -10x+9 Thank you
1. 1 answer
2. 1,211 views
Suppose that the moon rises tonight at 6:00pm. Tomorrow, will it rise earlier or later?
1. 2 answers
2. 549 views
evaluate the combination:there is a set of parentheses, 15 on top of a 15- it would look like this, just one set of parentheses
1. 1 answer
2. 562 views
Evaluate the combination.its in parentheses with the ten on top, and the 6 on the bottom, they are both in the same set of
1. 0 answers
2. 508 views
To win the World Series, a baseball team must win 4 games out of a maximum of 7 games. To solve the problem, list the possible
1. 1 answer
2. 1,449 views
Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a
1. 2 answers
2. 4,244 views
Given a group of students: or count the different ways of choosing the following officers or representatives for student
1. 0 answers
2. 645 views
How many distinguishable permutations of letters are possible in the word?BASEBALL a. 20,160 b. 10,080 c. 5040 d. 40,320
1. 2 answers
2. 3,602 views
Solve the problem.A shirt company has 4 designs that can be made with short or long sleeves. There are 5 color patterns
1. 2 answers
2. 5,219 views
Evaluate the permutation.P(7, 4) a. 1 b. 210 c. 7 d. 840
1. 0 answers
2. 621 views
Evaluate the permutation.P(5, 5) a. 1 b. 120 c. 0 d. 4
1. 1 answer
2. 631 views
Evaluate the factorial.5!
1. 1 answer
2. 834 views
Teacher says I need to improve my poise, posture and the delivery of my speech.
1. 1 answer
2. 326 views
anything to distnguish differences between affect and effecta while and a while,sometime and some time and all the other words
1. 1 answer
2. 496 views
An electron strikes the back of a TV screen at 1/10 the speed of light.What is the speed of the electron? What is the momentum
1. 2 answers
2. 722 views
How do you write 25um in scientific notation?
1. 1 answer
2. 394 views
Interested in the basic aspects of drawing and painting.Charateristics of different types of paints. Pros and Cons of the
1. 1 answer
2. 568 views
Using Durer’s engraving "Knight, Death and the Devil" discuss what aspects of Durer's style show his interest in the concerns
1. 1 answer
2. 488 views
The theatrical Baroque mode was often adopted for works of art commissioned by proponents of the Counter-Reformation in Italy.
1. 1 answer
2. 626 views
Using the careers of Jan van Eyck, Diego Velazquez, and Jan Vermeer discuss the changes in an artist’s training and in art
1. 1 answer
2. 537 views
How do I critic Art?
1. 1 answer
2. 454 views
What is the purpose of a tukey test?Why can't we compare all the posible pairs of group means using the two-sample t-test?
1. 1 answer
2. 600 views
What is the difference between OUGHT & SHOULD? What does each word represent? What are the moral and social implications of each
1. 2 answers
2. 607 views
1) A helium balloon is rising according to the function H(t) = -7x^2 + 5x - 11 where h(t) is the height in meters after t
1. 1 answer
2. 571 views
1) A helium balloon is rising according to the function H(t) = -7x^2 + 5x - 11 where h(t) is the height in meters after t
1. 0 answers
2. 802 views
En 1939, des militaires globaux étaient en conflit et la Deuxième Guerre Mondiale commence. Elle a divisé plusieurs nations
1. 5 answers
2. 618 views
I'm doing an essay on the book The Children of Izieu. My thesis is - The lives of 44 children were unreasonably exterminated in
1. 4 answers
2. 477 views
It won't work for some reason. Hopefully it will work this time.In 1939, a global military conflict named World War 2 started.
1. 2 answers
2. 644 views
I'm writing an essay on World War 2 in French and I was wondering if I have to change words like World War 2, Total War, and
1. 4 answers
2. 603 views
I have to do a chart with the following information but I cant get the chart to come out right does anyone know how. Im using a
1. 2 answers
2. 562 views
3a - 8 (2a + 5b) - (a - 7b)
1. 2 answers
2. 283 views
What is Spread of EffectSpread of Effect is a behavioural science term for the apparent change of errors noted just before or
1. 0 answers
2. 957 views

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