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Determine the final temperature of the mixture assuming no heat is lost to the surroundings, including the container if 50mL of 10*C water is added to 40mL of 65*C.
A certain storm cloud consists of a potential difference of 1.50 x 108 V relative to the tree. When, throughout a lightning storm, 45.0 C of charge is transferred via this potential difference and 1
The car is then driven to the mountains and parked overnight. An automobile tire is inflated to a pressure of 3.05 atm on rather warm da when the temperature is 40.oC.
Suppose if you have a 0.1M solution of amino benzene, would you have to use the quadratic formula to calculate the weak acids concentration at the equilibrium?
A parallel-plate capacitor consists of capacitance 5.00 µF. (i) Determine how much energy is stored in the capacitor when it is joined to a 9.00 V battery?
The person is puling the freight cart with the force of 46 pounds. How much work is done in moving cart 30 feet if cart's handle makes the angle of 28 degrees with ground?
A phenol, C6H5OH, which is having the 0.515 g dissolved in exactly the 125 mL of water. The resulting solution is titrated with 0.123 M NaOH.
It is found that after switch is closed the circuit oscillates at the frequency of 1 kHz however that an oscilloscope represents that 0.1 seconds after the switch was closed the amplitude of the cu
As the CO2 sublimes the water temperature goes from 298K to 291K. A block of solid CO2 (5 g) is dropped into an insulated container containing 100 g of water.
Determine the concentration in moles/m^3 of oxygen in air (21%) oxygen) assuming it acts s an ideal gas at 20oC. Oxygen diffuses to the inside of insects through tiny tubes called tracheae which ave
Determine what speed would such a block have when pushed horizontally 101 m all along a frictionless track by such a laser?
determine how far on the left from where the rod is suspending should the object be positioned to put the rod in equilibrium.
If a platinum electrode is used to indicate the cell potential versus a standard hydrogen electrode what will the cell potential be after the addition of 35.00 mL ofCe4+solution, consider th
Determine how much energy is required to eliminate (i) a neutron or (ii) a proton from the nucleus 16/8 O?
A student added solid K2O to a 500 ml volumetric flask resulting in the 500 mL of KOH solution which was then filled with water. 10 mL of the solution was then transferred to another volumetric fla
A car of 2000 kg rolls 50 meters down a frictionless 10 degree incline. When there is a horizontal spring at the end of the incline, determine what spring constant is needed to stop the car in a dis
Calculate the flaw in the student's reasoning and conclusion, being sure to point out both determine the correct and what is incorrect. Correct the flaws to demonstrate the correct reasoning and con
Let, consider a 1.8 m tall man standing vertically in the water and fully submerged in a pool. Find out the difference between the pressures acting at the head and toes of the man in kPa.
The right triangle is formed in first quadrant by x- and y-axis and the line through point (2,1). Write area A of triangle as the function of x, and find out domain of function.
Determine the Kw and pKw at 0 degrees Celsius. The concentration of H3O+ ions at the freezing point of water is 3.9X10-8 mol/L. Calculate the pH of neutral water at 0 degrees Celsi
Calculate the new gauge pressure after the 5.0 kg of helium has been released to fill balloons? A tank contains the 25.0 kg of helium gas at a gauge pressure of the 8.00 atm.
Assume that the cannon is then unbolted from the earth, and no external force hinders its recoil. Determine what would be the velocity of a shell fired by these loose cannon?
Describe the de Broglie wave length of a neutron moving at the 10% the speed of light. The mass of a neutron is 1.67 x 10^-24 grams. Explain in detail.
Determine the mass of methane that must be burned to provide the enough heat to convert 377.0 g of water at 31.0°C into steam at106.0°C. Suppose that the H2O formed in the combustion reactio
The Transit Authority runs the subway from city to suburbs. Fare is $3.00, number of passengers which will travel every day is 6000.