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Jenny
Questions (869)
1. Balance the following half reactions in basic solution.
ClO3- (aq) �¨ ClO4- (aq) Zn (s) �¨ Zn2+ (aq) BrO3- (aq) �¨ Br-
1 answer
1,652 views
A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. The bag, which has a mass of 10.0 kg,
3 answers
4,148 views
If 1 liter of the Pentland field formation water (see lecture power-point) is mixed with equal volume of seawater and noting
0 answers
534 views
At what speed must a 950 kg subcompact car be moving to have the same kinetic energy as a 3.2*10^4 kg truck going 20 km/h ?
1 answer
965 views
Can anyone help me with this?
The marginal cost for items in dollars is given by C''(x) = 2x + 30. If the cost of producing 2
1 answer
554 views
In trying to lift a heavy stone into a moving truck, a worker utilizes rope, a rug, and two long planks of wood. Identify the
1 answer
500 views
So the questions was-->Factor the following algebraic equation and describe the process by which it is done: x²+ 3x – 10 = ?
I
3 answers
495 views
can someone help me in finding the process in finding the area for a triangle, trapezoid, circle and rectangle
3 answers
479 views
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, the specifc heat of ice is 2.05 J/deg/g,
1 answer
964 views
I have a question that i've worked through but can't seem to figure out how to converge it to kg.
A trail mix contains a 4: 7
1 answer
581 views
give a one-sentence definition fora polynomial equation
1 answer
631 views
The heat of vaporization of water is 2.26 kJ/g. How much heat is needed to change 3.74 g of water to steam?
1 answer
595 views
What volume of ammonia gas will be produced when 1.44 L of nitrogen react completely in the following equation?
N2 + 3H2 = 2NH3
0 answers
488 views
What mass of ammonia is produced when 3.08 L of nitrogen (at STP) react completely in the following equation?
0 answers
421 views
We have a tank that contains O2 at 146 mmHg, N2 at 146 mmHg, and CO2 at 138 mmHg. We then add 135 mmHg of Ar. What is the
0 answers
438 views
We have a tank that contains O2 at 146 mmHg, N2 at 146 mmHg, and CO2 at 138 mmHg. We then add 135 mmHg of Ar. What is the
1 answer
388 views
Calculate the partial pressure of helium in a 1.00 L flask that contains equal numbers of moles of He, Ne, and Ar at a total
1 answer
563 views
In trying to lift a heavy stone into a moving truck, a worker utilizes rope, a rug, and two long planks of wood. Identify what
0 answers
501 views
Month J F M A M J J A S O N D
TOTAL 0 0 0 0 1 21 27 16 12 2 0 0 The chart above represents the monthly rainfall in inches in
3 answers
374 views
To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without
1 answer
364 views
To square 75, one can multiply (70)(80) and add 25 to that product. Can someone explain how this would work, without
0 answers
292 views
A trail mix contains a 4: 7 ratio of raisins to peanuts. How many kilograms of raisins are there if there are four kilograms of
1 answer
743 views
A car wheel has a diameter of 0.4 meters.
Work out how many full turns the wheel makes when the car travels a kilometer
1 answer
511 views
Find the number of terms in each sequence.
1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the
0 answers
684 views
Find the number of terms in each sequence.
1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the
0 answers
536 views
Find the number of terms in each sequence.
1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the
0 answers
516 views
I need some help with algebra as I'm confused as to how to solve them.
Find the common difference d and the value of a1 using the
0 answers
476 views
I need some help with algebra I'm not sure how to get to the answer.
Find the number of terms in each sequence. 1. a1=4 an=42 d=2
2 answers
363 views
If Deborah ate five pieces of a pizza that was cut into 16 pieces, what percentage of the pizza did she eat?
1 answer
463 views
A compact disk rotates from rest to 500 rev/min. in 5.5s.
a) What is the angular acceleration assuming it is constant. b) How
1 answer
1,310 views
Determine the number of particles in this sample. Identify the unit as a formula unit or a molecule. 58 g of chromium (III)
0 answers
937 views
A) With what minimum speed must you toss a 190 g ball straight up to hit the 15.0 m-high roof of the gymnasium if you release
1 answer
1,366 views
A) With what minimum speed must you toss a 190 ball straight up to hit the 15.0 -high roof of the gymnasium if you release the
1 answer
603 views
a plane is flying horizontally at an altitude of 420m. A bomb was released, how far horizontally point bomb hit the ground?
1 answer
712 views
a plane is flying horizontally at an altitude of 420m. A bomb was released, how far horizontally point bomb hit the ground?
1 answer
630 views
A 50.0g ball of clay traveling east at 3.00 m/s collides and sticks
together with a 50.0g ball of clay traveling north at
2 answers
2,477 views
Determine if the series converges or diverges.
Sum (n=1, infinity) (2*4*6...2n)/n! My main problem is I have no idea what to do
2 answers
573 views
A conical pendulum is formed by attaching a 0.200kg ball to a 1.00 m-long string, then allowing the mass to move in a horizontal
0 answers
822 views
A 220g block on a 54.0cm -long string swings in a circle on a horizontal, frictionless table at 70.0 rpm.
A) What is the speed of
0 answers
634 views
A 220g block on a 54.0cm -long string swings in a circle on a horizontal, frictionless table at 70.0 rpm.
A) What is the speed of
1 answer
1,103 views
the length of a rectangular piece of land is 40 cm more than two times its width. the perimeter is 680 cm. Find its dimensions
1 answer
1,272 views
A particle moves in a plane with trajectory given by the polar equation,
r = a(1 + cos �);where a is a positive constant Suppose
1 answer
710 views
Approximate the sum
Sigma (lower n = 0; upper infinity) (17/3)*(-1/2)^n
1 answer
475 views
What is the graph of the sequence An = (-1)^n?
1 answer
367 views
Find the sum of the convergent series.
Sigma (lower n = 0; upper infinity) 8*(4/5)^n
0 answers
879 views
Identify the two series that are the same.
a. Sigma (lower n = 4; upper infinity) n(3/4)^n b. Sigma (lower n = 0; upper infinity)
0 answers
545 views
Find the values of x for which the series converges.
Sigma (lower index n = 0; upper index infinity) [(x+1)/4]^n
0 answers
450 views
Determine whether the sequence with the given nth term is monotonic. Find the boundedness of the sequence. Otherwise, indicate
0 answers
636 views
Determine the convergence or divergence of the series. Indicate the test that was used and justify your answer.
Sigma (lower
0 answers
1,024 views
Test for convergence or divergence. Indicate the test that was used and justify your answer.
Sigma (lower index n = 2; upper
0 answers
417 views
Use the Direct Comparison Test to determine the convergence or divergence of the series. Justify your answer and show all of
1 answer
589 views
Test for convergence or divergence. Indicate the test that was used and justify your answer.
Sigma (lower index n = 4; upper
1 answer
412 views
Determine the following about the series. Indicate the test that was used and justify your answer.
Sigma (lower index n = 1;
1 answer
1,169 views
Determine the convergence or divergence of the series. Find the limit. Indicate the test that was used and justify your answer
1 answer
575 views
A deposit of $1000 is made at the beginning of each month in an account at an annual interest rate of 3% compounded monthly. The
0 answers
527 views
What is the vector equation of the line joining the points (5; 0; 1) and
(7; 4; 7)?
1 answer
420 views
The markup on a used car was at least 20% of its current wholesale price. If the car was sold for $5900, what was the maximum
4 answers
1,785 views
Write each rate as a fraction in lowest terms: 48 gallons in 14 minutes
2 answers
1,605 views
Write each rate as a fraction in lowest terms: 48 gallons in 14 minutes
2 answers
785 views
For a certain product, one case holds 8 boxes and each box holds 12 items, how many total cases are needed to hold 500 items?
1 answer
516 views
3(4x+6)+7
1 answer
242 views
Kendra owns a restaurant. She decides to charge $1.50 for two eggs and one piece of toast and $0.90 for one egg and one piece of
1 answer
685 views
ITEM NUMBER THREE
1 Description of the item:Printer 2 Stated price on the website: 229.99 (do not round to whole dollars) 3
1 answer
690 views
The number of bacteria in a stagment pond doubles every hour. A farmer sprays it every two hours and kils 3/4 of bacteria
0 answers
1,022 views
ecide whether each equation has one solution, no solutions, or infinitely many solutions.
1. 2(x – 3) = 2x (1 point) one
5 answers
619 views
f
f + (-20) > -7 f = ?
1 answer
281 views
1.21
(1 pts.) William is acutely ed and requires intense care. His IQ has been measured at approximately 15. What term would be
0 answers
792 views
1.11
(1 pts.) While Pete was out playing touch football with his friends, he tripped, fell, and bumped his head on the ground.
1 answer
771 views
A merchant makes two raisin nut mixtures.
Each box of mixture A contains 9 ounces of peanuts and 2 ounces of raisins, and sells
0 answers
563 views
a 10.0 cm cylindrical chamber has a 5.0cm diameter piston attached to one end. The piston is connected to an ideal spring with a
0 answers
749 views
How much heat is given off when 12g of Al at 75 degrees Celsius is colled to 25 degrees Celsius?
1 answer
377 views
How do you determine the mass of NACL needed to prepare 25.00 ml of a 1.585M NaCl Solution?
2 answers
1,348 views
Find the marginal average cost function: C(x)=10-e^-x
1 answer
364 views
I am studying waves and doing a project. Is the line of origin the same as a waves midpoint?
1 answer
374 views
Point A is 340 feet above sea level. This is 2/3 of the distance between point B and sea level. What integer expresses the
2 answers
1,126 views
write two equations that prove the associative property is not true for division
0 answers
378 views
Portland cement contains some SiO2. Calculate the mass percent composition of silicon in this compound.
2 answers
1,513 views
Would you use a or an:
A(n) Olympic Champion's signature.
1 answer
386 views
Which cannot be broken down chemically or physically into a simpler substance between sugar, salt, seawater, and copper?
1 answer
2,620 views
Which cannot be broken down chemically or physically into a simpler substance between sugar, salt, seawater, and copper?
1 answer
548 views
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the
1 answer
355 views
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the
1 answer
486 views
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the
1 answer
399 views
the varsity football team gained 7 yards on one play and then lost 4 yards
5 answers
1,654 views
Can someone help me to check my answer and the way I solve this problem is right or wrong?
Determine the energy required to turn
1 answer
600 views
At first one third of the class were boys. Then another boy joined the class. Now three out of eight of the class are boys how
1 answer
797 views
Here is my question am I suppose to make journal entry. Cindy Lou makes $30,000 per year as an exempt employee. She worked 15
0 answers
479 views
For each of the past four years, Paulo has grown 2in. every year. He is now 16 years old and 5ft. 10in tall. He figures that
2 answers
1,550 views
Given These Equations
x+y=9.0 .50x+.20y=3.90 Find the values of X and Y.
2 answers
1,573 views
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.91 m K3PO4(aq).
1 answer
823 views
detail how to dilute a stock solution of nitric acid, 81 m HNO3, to prepare 675 ml of a 2.5 M solution
1 answer
1,038 views
What are the different kinds of overlapping sciences?
1 answer
655 views
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. The
1 answer
1,436 views
What size should be the frame be?
Suppose an artist has a circular picture with a diameter 6 inches which she wishes to frame by
0 answers
595 views
How do you use prime factorization to reduce a fraction?
2 answers
409 views
How do you use prime factorization to reduce a fraction?
2 answers
451 views
how do you write the prime factorization for 75/108.
1 answer
362 views
If input x is 1, 2, 3, 4 and output y is 6, 10, 14, 18 , what is its function rule?
1 answer
450 views
Avery has a three week vacation. He plans on driving a total of 4,898 miles. About how many miles should he average per day? As
3 answers
636 views
It is known that if the deer population falls below a certain level, m, then the deer will become extinct. It is also known that
0 answers
698 views
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