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Questions (150)
what is the molarity of a solution containing 1 mole of urea per litre of the solution ? Hw to solve this
3 answers
441 views
a man 60 kg skating with a speed of 10 m/s collides with 40 kg skater at rest and they cling to eachother. Find the loss in
3 answers
635 views
an engine operating between 100 degree celsius and 0 degree celsius takes 453.6 k cal of heat. The usefull work done by it is ?
1 answer
442 views
how will know the hydroxide concentration for a solution with a pH of 10 at 25 degree celsius?
0 answers
341 views
how to calculate molar concentration of a 500 millimeter solution that contains 20 gram of CaBr2 ?
3 answers
429 views
if a period is doubled, than the length of the pendulum should be ?
A) increased by root 2 b) quartered c) quadrupled d) halved
1 answer
565 views
the gene for eye colour is located on ?
a) x chromosome b) y chromosome c) both a and b d) non of them
1 answer
583 views
which of the following cannot cause change in gene pool
a) mutation b) migration c) meiosis d) genetic drift
0 answers
937 views
an ideal gas in a closed inflexible container has a pressure of 6 atm and a temperature of 27 degree celsius . What will be the
1 answer
633 views
a radioactive material is undergoin nuclear decay. After 40 minutes, 25% of the sample remains. What is the half life of the
7 answers
746 views
an ideal gas in a closed inflexible container has a pressure of 6 atm and a temperature of 27 degree celsius . What will be the
5 answers
889 views
a 20 ohm and 60 ohm resistors are connected in series to a DC generator. The voltage across the 20 resistor is 80 volts. The
5 answers
4,585 views
an object is placed 10 cm from a concave spherical mirror whose radius of curvature is 12 cm. What is the distance of image
a)
1 answer
2,372 views
an electron moves with constant speed at right angles to a uniform magnetic flux, if the flux density were doubled, the force on
3 answers
833 views
if a stone at the end of a string is whirled in a circle, the inward pull on the stone
A) is known as the centrifugal force B) is
4 answers
2,551 views
x^2-4x-32=0
solve by factoring
2 answers
407 views
What is the concentration of NaOH?
using this solution (0.04756 M (i think its stand for Molarity) H2SO4) what is the
1 answer
617 views
a 600 kg toy car moving at 3 m/s collides and hooks up with a 900 kg toy car at restand they move off together. What is their
2 answers
1,448 views
solve for x, where x is a real number.
(x^2)+3x-4=14 Please show me the steps im missing one and i cant figure out what
1 answer
386 views
when a problem asks for domain and range which is which?
1 answer
289 views
(x+y)^3 expand
3 answers
454 views
(1/(x+h))-(1/x) ..simplify
1 answer
288 views
tarzan(85 kg) tries to swing across a river hanging from a monkey rope(10m)long as he reaches bottom of his swing he os
0 answers
625 views
An airplane is flying with a velocity of 248 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the
1 answer
554 views
what kind of shoes does a frog wear
12 answers
2,520 views
2x-y=-5
-2x-5y=11
1 answer
373 views
What role can a bystander play in reducing incidents of bullying?
1 answer
434 views
what is the antecendent and pronoun in the sentence.
You have probaly read or heard aesop fables.
1 answer
427 views
Please help with finance question. Thanks
What judgment would you make about diversification during an economic recession? An
1 answer
417 views
First explain the difference between sensation and perception. Next define the just noticeable difference and sensory
1 answer
1,355 views
Why do you think another mistake doesn't just correct the mutation in an abnormal CF gene? What do you think the chances of this
0 answers
422 views
What do you think the embryological steps we see in the early development of the invertebrates tells us about evolutionary
1 answer
594 views
we have to write and present a drama script about 'marginalization' for example homeless people are left out of the society.
1 answer
470 views
i have to do a still life about "Music", but i have no idea how to do it.
i just know that i'm definitely going to add a guitar
1 answer
383 views
can anyone come up with an idea for a short narrative for the poem "In the tube" by Richard Aldington.
it has to fill a gap in
1 answer
869 views
Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or
3 answers
646 views
Which of the following is a subset of set A?
A: {children between the ages of 3 and 7} a.children over 7 b.children3 years old
1 answer
789 views
b.Use your new formula to find the mass of the automobile in kg for each value of force and time given in the table below. Round
3 answers
449 views
what is an answer and to explain my answer for 569 divided by 25
3 answers
205 views
what's a sentence for hasten
3 answers
426 views
what's a sentence for column
1 answer
339 views
i just wanted to say a big big thankyou ! for helping me with my assignment.
:)
2 answers
477 views
sorry to be a pain but could you read my essay for me and see if it is okay. my assignment was to write an a4 page about sexism
2 answers
797 views
i need to write an essay about
is religion sexist? i need to include christianity sikh judaism . thankyou
4 answers
511 views
can you help me paraphrase this:
Obesity means an excess amount of body fat. No general agreement exists on the definition of
3 answers
935 views
how does a food web start?
1 answer
362 views
in detail words about mozarts use prodigy and genious and chamber in the pargraph somebody pleaseeee help me thanks
6 answers
527 views
why did romanticism affect music in italy more slowly than in other countries
2 answers
432 views
IN A CLASS OF 28 SIXTH GRADERS,ALL BUT ONE OF THE STUDENTS ARE 12 YEARS OLD.WHICH TWO DATA MEASUREMENTS ARE THE SAME FOR THE
3 answers
1,254 views
please, someone proofread my essay, and help me correct the grammar error i cant spot them.
thank you. The war that shouldn't
3 answers
597 views
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