12/07/24

Partial Pressure in a Flask

A rigid 9.45 L flask contains a mixture of 1.50 moles of O2, 0.500 mole of N2 and sufficient Ar so that the partial pressure of Ar in the flask is 2.60 atm. The temp is 80 degrees C. total pressure... more
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12/07/24

Unknown gas diffusion
A sample of an unknown gas takes 434 s to diffuse through a porousplug at a given temperature. At the same temperature, N2(g) takes 175 sto diffuse through the same plug. What is the molar mass of... more
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12/07/24

Root Mean Square Speed of Helium
At what temperature in kelvin is the root mean square speed of heliumatoms (atomic weight = 4.00) equal to that of oxygen molecules (molecularweight = 32.00) at 300. K?Please include all steps.
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12/07/24

The vapor pressure of water at this temperature is 18.0 mm Hg.
A common way to produce hydrogen gas in the laboratory is to place ametal such as zinc in hydrochloric acid. A single replacement reactionproduces hydrogen gas. Suppose a student carries out this... more
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12/07/24

Determine whether the series is divergent or convergent, and if convergent, then absolutely or conditionally.
Determine whether the series is divergent or convergent, and if convergent, then absolutely or conditionally. ∑from ∞ to n=2 (2lnn)/(n^2). Please help ASAP
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12/07/24

Do colors evoke emotions and feeling? Can music drive one to suicide?
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12/06/24

How to check the irrational solution to a rational equation?
After solving a rational equation leading to two irrational solutions, if you have to algebraically confirm those solutions, how do you do so?The rational equation:x/(x+2) + 2/x = -5/(2x+4)The... more
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12/06/24

How to solve for P(x) if P'(x)=4P(x)+a, assuming a is a non-zero constant
I have to solve this differential equation for my calculus class, and I've gotten stuck. I found that if P(x)=e4x then P'(x)=4e4x which I think is a step in the right direction, but I'm confused... more
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12/06/24

The graph of a polynomial function has zeros of 0 (multiplicity 2), 1(multiplicity 2), and 5/2 (multiplicity 2). Write a function in standard form that could represent this function.
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12/06/24

Do you want to learn how to speak English well?
We can begin by writing, correcting and then speaking together.
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12/06/24

while sitting in a moving bus you throw an apple up into the air the apple will land back in your hand?
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12/06/24

Find the coordinates of point $P$ along the directed line segment $AB$ so that $AP$ to $PB$ is the given ratio.
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12/06/24

Max-Min problem
A woman can run twice as fast as she can swim. She is standing at point A on the edge of a circular swimming pool 40m in diameter, and she wishes to get the diametrically opposite point B as... more
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12/06/24

cancelling my session
my tutor is not able to cancel my lesson and neither can I but i was already charged before hand. How do I do it?
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12/06/24

Find the expression for the power delivered to the capacitor
v(t) = 4 cos(20t) V for t > 0 and v(t) = 0 for t < 0. C1=300 uF.
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12/06/24

Two 20.0g ice cubes at -20C are placed into 275g water at 20C. Assuming no energy in transferred to or from the surroundings, what is the final temperature of the water after all the ice melts?
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12/05/24

Math / Algebra /

The price of a gallon of unleaded gas has dropped to $2.78 today. Yesterday's price was $2.84. Find the percentage decrease. Round your answer to the nearest tenth of a percent.
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12/05/24

Help! In a rut with my playing.
I feel that I just play the same old stuff over and over again when I solo (or write, play rhythm, etc). How would you help me break out of old habits?
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12/05/24

Platinum NEED ANSWERED ASAP
how many electrons are in an ion of your atom after losing or gaining ve-
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12/05/24

Hydrostatic force

The Deligne Dam on the Carley River is built so that the wall facing the water is shaped like the region above the curve y = 0.1 x^2 and below the line y = 160. (Here the distances are measured in... more
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12/05/24

The Marketing Mix
What are the variables /elements organizations must utilize to determine which strategy to implement to achieve their marketing objectives?
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12/05/24

3 occupants rent is 1000, occupant 3 pays 120 for internet, how to split everything evenly
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12/05/24

How to I solve this
50n9m-6n5
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12/05/24

what paint has more blue in it with the fractions of 1/2, 2/3, 3/6, 4/6, and 6/9
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12/05/24

Business Failures

Why do many new companies fail within a year of establishment?
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