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The complete combustion of 1.608 g of cymene in a bomb calorimeter where Calorimeter = 3.640 kJ/degree C formed an increase in temperature of 19.35 degree C.
Write down and and balance a chemical equation-Decomposition Reaction and add Hydrogen Peroxide Solution into a test tube and then add some Manganese (IV) oxide-which is acting as a catalyst for a
A sample of ammonia gas is totally decomposed to hydrogen and nitrogen gases over heated iron wool. Analyze the partial pressure of hydrogen and nitrogen gas when the total pressure is 866mmHg.
Calculate this probability density for an electron in the 1s-, 2s-, and 3s- orbital of a hydrogenic atom. When an orbital other than s is considered then what happens to the probability density?
Determine the numbers of grams of sodium hydrogen carbonate, baking soda, are needed to totally neutralize 1.00L of 6.00 M sulfuric acid that has been spilled on the floor?
Determine coordinates of vertices of major axis? Find coordinates of vertices of minor axis? Find coordinates of one Foci? Determine the Eccentricity? 16x^2+25y^2=150y+175.
At normal atmospheric pressure a mixture of water and aniline is steam distilled, initially the temperature is 97.3C. At this temperature the partial pressure of water is 745mm Hg. Calculate
Express the following: (i)Coordinates of vertices of major axis and coordinates of vertices of minor axis. (ii) State Coordinates of one Foci and state Eccentricity. 16x^2+25y^2=150y+175.
The 30-foot ladder is leaning up against the roof which is 20 feet above ground. How far from building is foot of ladder? Determine angle between ladder and ground?
Assume that graph of F is given. Explain how graph of 4f ( 5x - 2 ) + 3 can be attained from graph of F. Be very descriptive.
Let x represent number of weeks from now that manager must wait to have peaches picked. Write the expression which represents selling price per pound and yield per tree.
Suppose demand is linear, create the demand equation for milk. Demand equation is q=-1500p+5550. Find revenue function R as the function of selling price p.
Height y (in feet) of the ball thrown by the child is: y= (-(1/12)x^2)+2x+4 where x is horizontal distance (in feet) from point at which ball is thrown. How far is ball when it leaves child's hand.
Consider f(x) = -7x^2 - 6x + 1. Bring it to strad form of parabola f(x) = a(x-h)^2 + k by completing square in x and determine its vertex, x- and y-intercepts and axis of symmetry.
The appliance manufacturer evaluates that profit y (in dollars) made by producing x cooktops per month is given by equation. How many cooktops should be produced to start generating the profit?
If you place the penny on first square of the checkerboard, two pennies on second square, four on third square, eight on fourth square, and so on, how many pennies are on very last square?
The eccepted relationship between stopping distance, d in feet, and speed of the car. How many feet will it take the car traveling 45 mph to stop on dry level concrete?
If i possess 2500 meters of fencing and wish to enclose the rectangular plot that borders the river, but do not want to fence side along river, find largest area which can be enclosed?
The function D(h) = 7e^(-0.4h) can be used to find milligrams D of the certain drug in the patient's bloodstream h hours after drug has been given.
The bacteria in the 11-liter container double every 4 minutes. After 50 minutes container is full. How long it took to fill the quarter of container?
This means that if V is value of computer at time t, then linear equation is utilized to relate V and t. Determine depreciated value of computer 3 years from date of purchase.
Complete square and write an equation of circle in standard form. Then determine center and radius of circle graph and equation.
Compute woodworker's total cost, C, to make 1, 2, 5, 10, and 20 rocking horses. Graph C against n, number of rocking horses that he carves.
Determine standard equation (y = a(x-h)2 + k) of the parabola which has the vertical axis and satisfies given conditions. x-intercepts 2 and 12, lowest point has y-coordinate -100 Y= _________?
Truck is traveleing at 50 mi/h. How fast should woman drive her car so that she can pass truck completely in 6 s, from womans bumper/trucks rear bumper to womans rear bumper/truck front bumper.