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Determine how many pounds of CO2 are formed from the complete combustion of 1.00 gal of gasoline? Assume that gasoline has the formula C8H18 and has a density of0.703g/mL.
Explain in terms of the dissolution equilibrium for AgBr and Le Chatter's principle, discuss how the formation of this ion explains the fact that silver bromide is soluble in concentrated NH3(aq).
Determine the numbers of grams of fat would to be burned to heat one liter of water (d = 1.00 g/mL) from 25.00 oC to 30.00oC? The specific heat of water is 4.184 J/goC.
Calculate H of this reaction when 26.0 mL of 0.565 M H2SO4 is added to 26.0 mL of 1.13 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature raises to30.17°C.
The recent transportation survey of w urban commuters (i.e., n(U)=w) yielded given information. Find number of people rode (i) trains and buses, (ii) only buses, (iii) buses, and (iv) trains or buses?
The bowl has six red gum balls, eight green gum balls. You reach in and remove three gum balls all at once. Determine probability that the three gum balls are all red.
Determine least number of cables needed to connect 8 computers to 4 printers to guarantee that for every choice of 4 of 8 computers, these 4 computers can directly access 4 different printers.
Before that, the point near top of towe was 51.6,m from the point at base, and top point was directly above the point on ground 4.93, from base point. How much point on ground moved toward base poin
Determine function Phi explicitly for two-point boundary-value problem: x"=e^-2t-4x-4x', x(0)=1,x(2)=0. Determine initial-value problem whose solution solves boundary-value problem?
Determine equation of motion x(t) if impressed force f(t) = t acts on system for 0 < t < 6 and is then removed. Use the graphing utility to graph x(t). Determine limit of x(t) as t tends to in
Assume I buy 17-strike put, and to decrease my premium, I sell two 14-strike puts. Determine profit at expiration from this combined financial instrument as (piecewise) function of spot price in six
Compute proportion of time that employee is busy. Compute average number of people receiving and waiting to receive information. Determine average number of people waiting in line to get information.
Generalize argument to illustrate that we can throw away 99% of N and still have the set of same size left. Show the correspondence with some particular examples.
How many wind turbines of 2MW are essential to give the same total energy as the nuclear plant of 1000MWe making 8TWh each year? Determine power of nuclear plant?
Suppose that there gas-fired plant backup in case where there is no wind evaluate amount of gas required and CO2 emissions assuming 50% efficiency.
When 0.5132g of NaNO2 is allowed to react with an excess of sulfamic acid solution, the volume of N2 (g) formed is the 176 mL. The temperature of water is 26.0 deg C and that of the gas is
Complete neutralization of a sample of antacid containing only aluminum hydroxide and magnesium hydroxide required 48.5 mL of 0.187 M HCl. The chloride salts from this neutralization were obtained b
Let the 3-MW wind turbine operating at wind speed of 15m/s. Its golobal efficiency (turbine, gearbox, and generator) is assumed to be 30%. what must be swept area and size of rotor?
What useful applications can you suggest for the effect when the super conductivity is a phenomenon found at the low temperatures where certain materials lose all resistance to an electric current?
Explain why does methyl benzoate dissolve in the concentrated sulfuric acid? Write down an equation showing the ions that are formed.
Determine how many J of heat necessary to raise the temperature of a 1.05 kg block of iron from the 25.0 C(Celsius) to 88.5 C (Celsius) where the specific heat of iron metal is 0.450J/g-K.
How many seven topping pizzas can be created which comprise at most, 2 different meat toppings? Suppose each pizza uses seven different choices for toppings.
What is the pressure (torr) of the gas sample when a flask of Argon gas is connected to the left arm of a manometer? The Hg level is 78.9cm. The right arm of the manometer is open to the atmosphere
At 39.0°C a 2.41L flask of gas was found to have a pressure of 710mmHg. The temperature was changed to 78.5°C and the pressure was changed to 1061mmHg. Determine the volume of the gas under