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Find whether given quadratic function has the minimum value or maximum value. Then determine coordinates of minimum or maximum point by completing square to put function in standard form.
Fencing with a length of 420 meters surrounds two identical playing field with the common side. Fields can be side by side and separated by the fence. Determine larger dimension of every field.
The 15 foot long pole leans against the wall. Bottom is 9 feet from wall. How much farther must bottom be pulled away from wall so that top moves same amount down wall?
A refrigerator is operated by a 0.25 hp (1 hp= 746 watts) motor. At 2.00oC if the interior is to be maintained and the room temperature is 35oC, determine the maximum heat leak that can be tolerated?
At STP If a 2.15-g sample of a gas occupies 750mL, determine the molar mass of the gas at 125 C? What each number means according to the formula?
At 440 nm the molar absorption coefficient of a solute is 423dm3mol-1cm-1. Determine the concentration of the solution when the light of that wavelength passes through a 6.50 mm cell containing a so
A block is projected up a frictionless inclined plane having initial speed v0 = 3.60 m/s. The angle of incline is 32.3°. (i) Determine how far up the plane does the block go?
Determine the total energy of the photons detected in one hour if the detector is capturing 3.3×108 photons per second at this wavelength.
Planning the Race Track: If Mario plans to create the circular race track one mile in circumference on the square plot of land, then find minimum number of acres that he requires?
Determine the magnitude and direction of the vertical force (employ as the positive direction) applied by the pole on the fire-fighter?
10g of ethene were burned in excess oxygen incalorimeter containing 163g of water. the calorimetry constant (heat capacity of the calorimeter) was C= 21.7 kj/ degree C. what was the tempreture rise
A sample which is having 25.0-mL of 0.100 M NH3 (Kb = 1.8 x10-5) is titrated with 0.100 M HCl solution. Determine the pH after the addition of 0.0 mL, 4.0 mL, 12.5 mL, 20.0 mL,24.0mL, 24.5
A car traveling at 50 km/h strikes a bridge abutment. A passenger in the car moves forward a distance of 59 cm (with respect to the road) while being brought to rest by an inflated air bag. At what
If they should pay $780 in closing costs and 6% of selling price for sales commission, then find minimum selling price for which they will get $128,000?
However such a push is tiny in daily circumstances, it can be big enough to send the spacecraft outward from the Sun on a cost-free but slow trip. Assume that the spacecraft consists of a mass of 1
Describe the atomic mass if a 21.34g sample of a nonreactive metal is placed in a flask containing the 12.00mL of water; the final volume is 13.81mL.
When the coefficient of kinetic friction between block and floor was 0.20, what was (i) the work done by the worker's force and (ii) rises in thermal energy of the block floor system?
Assume that quantity supplied (S) and quantity demanded (D) of hot dogs at the baseball game are provided by given functions. Determine equilibrium price and quantity?
5.0×10-3 molCO2 is introduced into a 1.0 L container and the following reaction comes to equilibrium at 2000°C:
Determine the inexpensive starting material do you think is used to prepare mistily oxide commercially? Summarize the synthesis of mistily oxide from this starting material.
Explain what enthalpy change occurs in the vaporization of 10.0g of methanol when a reference gives value of +39.23 kJ/mol for the molar enthalpy of vaporization for methanol.
The internal energy of a system rises by 300 J while 900 J of work are performed on it. Determine the heat flow into or out of the system?
Suppose you have 124 g of a mystery substance. It is made up of Hydrogen, oxygen and Carbon. It is burned in excess the oxygen. It produces 28.925 g of H2O and 161.527 g of CO2.
You are instructed to provide cephalexin monhydrateg over next 24 hrs divided into 6 equally spaced doses how much would you give for every day?
A smoke particle consists of a mass of 2.20 x 10-17 kg and it is randomly moving about in thermal equilibrium having room temperature air at 31° C. Determine the rms speed of the particle?