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Dan
Questions (605)
Using the balanced equation for this reaction, calculate the volume of CO2 that should be produced by the decomposition of 2.21g
0 answers
763 views
Pls Re-arrange this word aidgact
1 answer
375 views
Is incense a social problem and why ?
1 answer
353 views
what does the sigma notation look like for the sequence 1/4,-1/9,1/16,-1/25
2 answers
776 views
If a a sheet of cardboard measures 9 feet by 6 feet and is made into a perfect cube, what would the length of each edge be?
1 answer
485 views
If a a sheet of cardboard measures 9 feet by 6 feet and is made into a perfect cube, what would the length of each edge be?
1 answer
452 views
Calculate the pH of a solution that is made by mixing 10.00 mL of 0.2500 M HCl with 35.00 mL of .1500 M HNO3 and diluting the
0 answers
522 views
I would recommend to check out a website called physmatixsolve
They helped me with a tough question i got in my Physics homework,
0 answers
502 views
A 395cm oscillator has a speed of 104.5cm/s when its displacement is 2.80cm and 74.5cm/s when its displacement is 6.60cm. What
1 answer
445 views
A 20 cm long, 180g rod is pivoted at one end. A 17g ball of clay is stuck on the other end. What is the period if the rod and
0 answers
594 views
If angle x lies in quadrant 3 and cos(x)= -0.6
Find cos(3pi/2-x)
0 answers
514 views
angle x lies in quadrant 3 and cos(x)=-.6. Find cos(3pi/2-x)
1 answer
530 views
I need to write an essay comparing estrangement and alienation in cat on a hot tin roof and awakening, I sort of know what to
2 answers
715 views
Fresh snow is about one-tenth as dense as liquid water. How much latent heat is released in storm clouds per square kilometer of
2 answers
642 views
PROJECTILE LAUNCHED FROM EARTH'S SURFACE?
A projectile is shot straight up from the earth's surface at a speed of
0 answers
819 views
Speed of Asteroids With the same Radius?
Two spherical asteroids have the same radius R . Asteroid 1 has mass M and asteroid 2
2 answers
3,350 views
Finding a Lunar lander's Thrust?
A 6000kg lunar lander is in orbit 50km above the surface of the moon. It needs to move out to a
0 answers
1,087 views
An 9.00-cm-diameter, 400 sphere is released from rest at the top of a 1.90-m-long, 20.0 incline. It rolls, without slipping, to
1 answer
1,597 views
Suppose that 90 g of hot water at a temperature of 75 degrees C is poured into a cavity in a very large block of ice at 0
1 answer
1,596 views
the density of a diamond is 3.52 grams per cubic centimeter. Sally has a diamond that has a volume of 20 mm^3. What is the
1 answer
802 views
The density of a crystal is 2.65 grams per cubic centimeter. Ryan has a rectangular prism made of quartz. It measures 10 cm by
3 answers
643 views
The Ksp for a certain metal hydroxide, M(OH)2 (molar mass = 127) is 3.5 × 10-19. What is the pH for a saturated solution of
2 answers
709 views
What is 5y=9+2y
1 answer
274 views
Consider the polynomial x^3 + 6x^2 + 3x - 10. Without dividing, or graphing, which two of (x+2), (x-2), (x+1), and (x-1) must be
1 answer
406 views
Find an equation of a polynomial function of degree 5 with integer coefficients with zeros 0, -2, and 1/2.
0 answers
530 views
Find an equation of a polynomial function of degree 5 with integer coefficients with zeros 0, -2, and 1/2.
0 answers
442 views
A 1900 car starts from rest and drives around a flat 50--diameter circular track. The forward force provided by the car's drive
0 answers
897 views
A 30.0 ball rolls around a 50.0 -diameter L-shaped track, shown in the figure, at 60.0 . What is the magnitude of the net force
1 answer
1,995 views
A rocket-powered hockey puck has a thrust of 2.40 and a total mass of 1.40 . It is released from rest on a frictionless table,
0 answers
626 views
What reagent converts sodiumethanoate to methane?
0 answers
935 views
How do you find the circumference of a circle?
4 answers
835 views
Calculate the mass of sodium bicarbonate needed to neutralize 3.0 mL of 3.0 M HCl. Show your work.
1 answer
642 views
Calculate the mass of sodium bicarbonate needed to neutralize 3.0 mL of 3.0 M HCl. Show your work.
0 answers
396 views
conical pendulum is formed by attaching a 0.200 ball to a 1.00 -long. It has a radius of 40.0cm . What is the angular velocity
0 answers
580 views
Is "after the hurricane" a pharase or clause?
1 answer
731 views
A 3.00 m long pipe is in a room where the temperature is 20 C. What is the fundamental frequency if the pipe is closed at one
3 answers
5,227 views
Two waves are combined to form this standing wave equation of
y(x,t) = (3 mm)sin[x/(2 m]cos[(100 rad/s)t] a. What's the amplitude
0 answers
651 views
A particle of mass m = 0.40 kg oscillates on the end of a spring with an amplitude of 0.30 m. At t = 0, it's at it's equilibrium
3 answers
546 views
True or False: for a particular soil, pressure just under the water table is negative
0 answers
329 views
what is weight density (lbs/ft3)of a fluid filling a cylinder 1.4 ft high and cross section area of 0.2ft2 if the fluid weighs
1 answer
509 views
Moira paid $4.50 for a movie and 2 bags of popcorn. All together she spent 6 dollars. What's the cost for a bag of popcorn?
2 answers
569 views
√(x+2) -7 =√(x+9)
1 answer
285 views
√(x+2) -7 =√(x+9)
If you could show your work on how to get the answer that would be awesome. I really need to learn how to
0 answers
396 views
1)c 2)c 3)c 4)c .. k this looks ridiculous but i think the answers are all C !!! please check!!!
1) At the end of the poem(song
0 answers
995 views
1) The tone in the song of myself number 52 is best described as
a. lighthearted b. bombastic c. detached d. intimate 2) Which
1 answer
694 views
make a conjecture (obsevations based on patterns) for each sequence below.
a)7,10,13,16 b)4,44,444,4444,44444 c)2,10,50,250
2 answers
425 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal and
vertical
3 answers
525 views
Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection
1 answer
396 views
Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection
0 answers
340 views
to identical jars are filled with equal amount of marbles. the marbles are coloured red or white. the ratio of red to white
3 answers
1,375 views
How many grams of iron can be produced of 156000 calories of heat are absorbed by a large enough sample of iron III oxide
0 answers
461 views
express 3ln(r)- 5ln(s)+ 7ln (t) as a single logarithm.
1 answer
492 views
discuss your thoughts on the use of thevenin equivalent circuit.
1 answer
831 views
The displacement from the equilibrium caused by a wave on a string is given by: y(x,t) = (-0.00200 m)sin[(40m^-1)x-(800s^-1)t].
1 answer
795 views
Suppose a monatomic ideal gas is changed from state A to state D by one of the processes shown on the PV diagram. Find the total
1 answer
2,300 views
A town is planning on using the water flowing through a river at a rate of 5.0X10^6 kg/s to carry away the heat from a new power
1 answer
737 views
The Cedar Bluff express KAT bus averages 15 mph for 20 minutes, and then 32 mph for 14 minutes. What was its average speed?
2 answers
767 views
Find:
(a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on
2 answers
905 views
A cone of radius r centimeters and height h centimeters is lowered point first in at a rate of 1 cm/s into a tall cylinder of
1 answer
1,621 views
Solve:
x'=x+y+2t y'=x+y-2t
0 answers
272 views
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 1.0 J
2 answers
6,159 views
what is a prime factor?
How do I find the prime factor?
1 answer
418 views
P(x)= -x^3+15x^2-48x+450, x>/3 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred
1 answer
1,612 views
find the absolute extrema if they exist as well as where they occur
f(x)= x-1/x^2+3x+5
0 answers
497 views
Find all extrema, inflection points, and asymptotes where applicable
f(x)= 2x^3-12x^2+18x I got 0, 8 for extrema 2, 0 for I.P and
1 answer
508 views
Find the indicated absolute extremum as well as all values of x where it occurs on the specified domain
f(x)= x^2e^-0.25x ;
1 answer
681 views
Determine the mass of zinc sulphide,ZnS which is produced when 6.2 g of zinc and 4.5 g of sulphur are reacted.
This question is
1 answer
708 views
Determine the mass of zinc sulphide,ZnS which is produced when 6.2 g of zinc and 4.5 g of sulphur are reacted.
0 answers
422 views
Suppose you put 50mL of water in the can instead of 100mL and heated it to 40 degrees instead of 20 degrees. In what ways, if
2 answers
731 views
A car starts from rest on a curve with a radius of 150 m and accelerates at 1.50 m/s^2. How many revolutions will the car have
1 answer
1,273 views
How many liters of carbon dioxide at 20 oC and 750 torr are produced when one gallon of toluene is burned? Convert liters to
1 answer
514 views
How many liters of carbon dioxide at 20 oC and 750 torr are produced when one gallon of toluene is burned
4 answers
438 views
How much heat is released when one gram of toluene burned?
1 answer
553 views
Using a telescope, which planets acn be observed from Earth in a crescent moon phase?
1 answer
357 views
.In the early 1900s, two associates of New Zealander Ernest Rutherford bombarded thin sheets of gold with positively charged
3 answers
1,648 views
You are offered two different sales jobs. The first company offers a straight commission of 4% of the sales. The second company
2 answers
1,764 views
HOW DO I find the net icome for this company with this information?
Beginning of the year: ASSETS WERE $810,000 lIABILTES
0 answers
499 views
How do I find the net income for this company ,with this information?
Beginning of year Total Assets were:$810,000 Total
0 answers
511 views
It took a stopping train 41/4min to travel between two stations 11.2km apart.The train accelerated uniformly during the first
1 answer
604 views
You're thinking of investing in a automation project to reduce cost of production.
-Investment in Fixed Assets: $900,000 at t=0;
0 answers
1,074 views
Is 20.0 mL of 3.0 M HF a buffer solution with an approximate pH of 3?
1 answer
458 views
What is the molar solubility of silver sulfide, Ag2S? (Ksp for Ag2S is 6.0 x 10^51.)
1 answer
1,869 views
Identify the balanced net ionic equation for the reaction
2Na3PO4(aq) + 3CaCl2(aq)�¨ 6NaCl(aq) + Ca3(PO4)2(s)
0 answers
1,101 views
How many moles of NaBH4 are needed to generate one mole of B2H6 if the reaction gives an 80% yield?
3NaBH4 +4BF3 �¨ 3NaBF4 +
0 answers
735 views
What is the phase of a compound at 600 mmHg and 32oC if it melts at 35oC when pressure is 760 mmHg? Its triple point occurs at
0 answers
490 views
How many moles of PCl3 can form from a mixture of 5 mol of P and 6 mol of Cl2 according to the equation 2P + 3Cl2 �¨ 2PCl3
1 answer
651 views
Alum is a hydrated compound containing 45.5% water. How many moles of water are contained in one mole of this hydrate.
Data for
0 answers
547 views
R^2 + R^2 + 16R + 64 = 144
solve for R.
1 answer
315 views
According to Sal's map he is is 6 units away from the grocery. The grocery store is 5 units away from the coffee shop. The
1 answer
474 views
Which test for iron(II) ions is conclusive?
1 answer
1,786 views
Explain the importance of understanding inventory valuation methods in dertermining the quality of the profit
1 answer
392 views
Midsummer Night's Dream:
The fourth act opens with Bottom at center stage. What is your opinion of Bottom's character? How might
1 answer
1,125 views
Examine three elementary schol textbook and report on how the introduction of the topic of GCD and LCM differ in the diffrent
1 answer
465 views
An element has bcc packing with a body-centered cubic unit cell. Its density is 19300 kg/m3 and the unit cell volume is 3.17 x
4 answers
815 views
I need to identify the ROI and NPV of the wireless order-tracking system.
Here is the information it gives me: - The aquisition
0 answers
434 views
I need to pick a term paper topic involving American History. I want to do something about a controversy during a war time, but
1 answer
519 views
How would you graph the inequality x > -5
2 answers
682 views
How would you graph the inequality x > -5
1 answer
376 views
I answered several question for an assignment and I need help to understand how I got it wrong. The assignment dwelt medical
1 answer
739 views
What is the expected freezing point of a 3.50 m aqueous solution of BaCl2 (Kfp=1.86C/m)? What is the boiling point
1 answer
2,565 views
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