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Karl

Questions (33)

A 395-g cylinder is heated to 75°C and placed in a calorimeter containing 405 g of water at 25°C.The water is stirred, and its
1. 0 answers
2. 527 views
The table shows the number of beads used to make a necklace. Ginger wants to make a smaller necklace using the same ratio of
1. 1 answer
2. 683 views
Gus has a checking account balance of $75. His bank will fund the a debit card purchase that creates a negative balance up to a
1. 6 answers
2. 764 views
If a mouse fell to the bottom of a 8 foot deep well and he climbed 3 feet every day but fell 2 feet every night how many days
1. 1 answer
2. 446 views
In what group of the periodic table is the element with the following configuration [Ar] 4s2 3d10 4p3
1. 5 answers
2. 3,469 views
How were the carpetbaggers able to influence freed slaves in the south?A. They gave them land and helped them start farms. B.
1. 3 answers
2. 1,369 views
A ball thrown vertically upward has a speed of 5.0 m/s at a height of 3.0m. The mass of the ball is 1.2 kg. Find its mechanical
1. 2 answers
2. 1,008 views
I there are 1000 numbers in a contest what is the probability you win if:- play 1 number for $1.00 - play 2 numbers for $1.00 -
1. 2 answers
2. 501 views
A parallelogram has sides of lengths 7 and 4, and one angle is 55°. Find the lengths of the diagonals. (Round your answers to
1. 1 answer
2. 1,951 views
Sherry saved $1800 she earned at her summer job. She invested part of her money in a Treasury Bill at 5% and the balance in a
1. 1 answer
2. 634 views
Which of the following tools of the Archaic culture was primarily used for hunting birds and smaller prey?A. atlatls B. game
1. 2 answers
2. 1,241 views
Hello, i would like to know what is the complex conjugate of :(a*c*d)×( (-e*d+i)/(1-e*c*d^2) ) Thanks for your help.
1. 1 answer
2. 372 views
Hello, i would like to know what is the complex number of :(a*c*d)×(-e*d+i)/(1-e*c*d^2) ACDE are strictly positive real
1. 1 answer
2. 480 views
Hello, I'd like to know how in developing, factoring or simplifying, we can move from:goo.gl/zZdzSs ACDE are strictly positive
1. 2 answers
2. 417 views
Hello, I'd like to know how in developing, factoring or simplifying, we can move from:A + ( (1 / ( (1 / ICD) + IED) ) to: ACD *(
1. 2 answers
2. 446 views
Hello, I'd like to know how in developing, factoring or simplifying, we can move from:A + ( (1 / ( (1 / ICD) + IED) ) to: ACD *(
1. 0 answers
2. 411 views
Suppose a rope of mass m hangs between two trees. The ends of the rope are at the same height and they make an angle θ with the
1. 1 answer
2. 2,264 views
Please help, I need help on these two problems.Solve the equation. log3(x − 16) = log3(9x) e^1 + ln(7) It appears on the
1. 2 answers
2. 570 views
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
1. 0 answers
2. 395 views
A 100 m long wire with a cross-sectional area of 4 mm2 has a resistance of 6 ohms. What is the resistivity of the material of
1. 2 answers
2. 676 views
A shuffleboard disk is accelerated to a speed of 5.6 m/s and released. If the coefficient of kinetic friction between the disk
1. 1 answer
2. 2,478 views
A box, open at the top, in form of a cube of edge length 40 cm, is constructed from a metal plate. Find the coordinates of the
1. 1 answer
2. 1,404 views
On the surface of the Moon, a ball is thrown horizontally, with a speed of 15 m/s, from the top of a 6 m tall hill. How far from
1. 0 answers
2. 636 views
The melting temperature of the fluorides of selected alkali metals and alkaline earths are listed below (see Table). If one
1. 0 answers
2. 595 views
The rounded numbers all range from the hundred thousands to the millions. Which place-value should be used as intervals for a
1. 2 answers
2. 484 views
M Varies jointly with A and T and inversley with H. Write and equation that represents the relationship.
1. 1 answer
2. 545 views
A motorcycle and 66.0 kg rider accelerate at 2.0 m/s2 up a ramp inclined 5.0° above the horizontal. What are the magnitude of
1. 4 answers
2. 1,339 views
my P.E. teacher asked the 100 seventh graders in my school if they could swim. Half of the boys and two thirds of the girls said
1. 2 answers
2. 742 views
My school gives out these pop quizzes and this bonus quiz asks this question:what does polyvinylrododospagaspamomo mean? please
1. 1 answer
2. 441 views
My school gives out these pop quizzes and this bonus quiz asks this question:what does polyvinylrododospagaspamomo mean? please
1. 4 answers
2. 392 views
I cannot figure out how to turn fraction into decimals.Sample 8 over 25.Also turning decimals into fractions 0.65
1. 3 answers
2. 620 views
Quick question, since FePO4 is insoluble, will that mean a precipitate will form? During the experiment I don't remember seeing
1. 1 answer
2. 2,348 views
In a lab, we added NH3(aq) to CuSO4(aq), and the solution turned dark blue with a precipitate.The problem is that the products (
1. 3 answers
2. 13,683 views

Answers (30)

410N
Yaga 9000
i love men ;)
is there a solution?
The Stubborn Child Law was in effect until 1973 in Massachusetts and many, many innocent children were ruined by this over the 300 years since the Puritanical types created it. Basically children had absolutely no rights under the law and were property of
Oh thank you so much, I was confused about the fees
Is it -97
If I look at the exact element it goes under group 5A. Then if I consider the valence electron it will be under group 3A. Im still confused.
1.44*10^-66
75
Actually the correct answers are D, B, A
I believe the correct answer is C.
8:D 9:A
I agree with Steve.
Just do 5 divided by 8 and then do 24 divided by that outcome.
was the answer to number 3 D(santee cooper project)?
Sorry for the late response, but your answers are correct.
438mL
Well, the pressure here is not constant, but the temperature is. Reversible implies that there are infinitesimal changes in certain parameters. For isothermal, reversible systems delta H=0 delta U=0 q=-w and w=-nRTln(Vf/Vi) You can find your Vf by using
Coefficient of kinetic friction= tan0- Accelaration/gcos0
0.176
At what temperature do hydrogen molecules have the same rms speed as nitrogen molecules at 90 degrees Celsius?
Thanks a lot for your help . I'll visit it
I made a picture. goo.gl/zZdzSs
If lithium is a BCC crystal. planar density is atoms per area the 001 plane look like this o--o | | o--o the sides are equal to lattice constant a and the atoms in this area = 4(1/4) = 1
Lithium is a BCC Crystal a = 3.5092 * 10^-8 Planar Density (001) (top plane) = 1/a^2 = 8.12 * 10^14
okay thanks bobpursley
hows that it doesnt work whats the full equation?
u need to get the M as M= 15*M(C) + 22 * M(H) + 2 * M(O) + 1 M(Cl) + 1 M(N) then u use the formula n=m/M and u replace youll have m= n*M
thanks for trying

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