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Determine the percent yield of ammonia if 100.0g of nitrogen is reacted with surplus the hydrogen and 34.0g of the NH3 are obtained.
Last year, truck drivers struck for 30 days. Suppose these drivers make 10.50 an hour and worked 260 eight hour days a year before the strike, what percent rise is required in yearly income to make
At this same distance, angle of elevation to top of tower was found to be 24.4 degrees. Use information to find out height of tower above the Sky Pod.
f(x) =10x^3 - 17x^2 -7x+2 a)Utilize bounds theorem to find out the bound for zeros of f(x) b) now go through list of possible rational roota, and by either plugging it into the function or using syn
Draw graph of following parabola by first determining vertex, and x-intercepts. Find if graph has the absolute maximum or absolute minimum, and provide coordinates for that point.
Draw the graph of following functions, using transformations made to the base function. Ensure to list base function, as well as all transformations made to base function.
Assume that you purchased $74 item on November 15 on layaway, with final payment due December 15, and that retailer charged you $5 service fee. Thinking of fee as interest, find simple interest rate
One plane flies 50 miles per hour faster than other. Determine airspeed of each plane if cities are 350 miles apart and planes pass each other after 30 minutes of flying time.
Farmer wishes to separate pen into three sections but not interested in fencing side along river. Find maximum area he can enclose, and what are the dimensions of pen?
Explain what the inverse of the function is. Write at least 2 different definitions. Explain about process of creating inverse of the function and test you can use to test to see if function has inv
According to Gutenberg-richter law, energy E (in gigajoules) radiated as seismic waves from the earthquake of Richter magnitude M can be evaluated by equation. How much energy (in gigajoules) would
By submitting graphite to high pressure the diamonds have successfully been prepared. Analyze the approximate minimum pressure required using ΔfG=0 for graphite and ΔfG=2.90 x 103 J/
When Ar is added until the total pressure is 100bar determining the vapor pressure above liquid ethanol at35.0oC. The true vapor pressure is 100.0Torr and the density of liquid ethanol at this tempera
Bacteria population starts with 420 bacteria present and grows exponentially. Every bacterium divied into 2 organisms every 25 minutes. Determine size of population after 2 hours.
A solid exists in two forms that is A and B and their densities are 3.5155g/cm3 and 2.2670g/cm3, respectively. Analyze the pressure at which the two forms of the solid are in equilibrium at 25oC
There are various members of a class of compounds that is alkenes react with the hydrogen to create corresponding alkenes. Termed hydrogenation, this type of reaction is used to create the products
Determine the frequency of the light which is emitted by a hydrogen atom during a transition of its electron from the n= 4 to the n = 2 principal energy level.
Find out the per annum interest rate needed for the investment with continuous compound interest to triple in 6.75 years. Write your answer as the percent.
At 15.0 atm a sample of an ideal gas and 1.0L is permitted to expand a constant external pressure of 2.00 atm at a constant temperature. For the gas expansion estimate the work in units of kJ.
Write the example to illustrate that limit of the sequence may not be the limit point of range of sequence if terms of the sequence are not distinct.
There are 2 acres of land and 48 days of harvest labor available. How many acres must be devoted to each crop to maximize pounds of grain harvested?
Draw the curve by using parametric equations to plot points. Point out with the arrow direction in which curve is traced. Then eradicate parameter to a Cartesian equation of curve. x = t^3 + 1; y =
To increase revenues during recent recession, governor of the state proposed the given taxation formula. Compute individual's marginal after-tax income at income levels of $100,000 and $700,000.
Assume initially at 25.00 oC you have 20.81 g of water, in a perfectly insulated jug. Until the combined sample of water has a temperature of 58.71 oC, you add water which is at 83.71 o
A magnesium hydroxide solution is found to at 25C have a pH of 12.09. Determine hydroxide ion and the hydronium concentrations in the solution. Then compute the mass of magnesium hydroxide required