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Determine the percent of oxalic acid, H2 C2O4 in a solid given that a 0.7984 g sample of that solid needed 37.98 mL of 0.2283 M NaOH for neutralization. Oxalic acid is a diprotic acid.
To form a solenoid, you wrap insulated wire uniformly around a plastic tube 14 in diameter and 60 in length. You would like a 2.0 current to generate a 2.6 magnetic field within your solenoid. Deter
Determine the mass of the acid which would neutralize the 12.0mL of 1.10 M NaOH if the formula of the acid is H3X how can if identify the normality without the volume of acid used. The molecular ma
Suppose that the signal power is radiated uniformly in all directions and that radio waves incident on the ground are totally absorbed. The magnetic field amplitude of the signal at that point, in n
Explain the unit cell for cubic zinc sulfide, cesium chloride, and sodium oxide (ant fluorite structure) Determine the numbers of atoms of each type are in each unit cell?
Determine the densities of the solid forms of W, Pt and Ar given that the length of their unit cell edges are 3.91 A, 3.165 A and 5.3 A respectively. Hints : solid Pt is very malleable, Ar
The two particles are fixed to an x-axis: particle 1 of charge C at cm and particle 2 of charge at cm. At what coordinate on the axis is the total electric field generated by the particles equivalen
A capacitor of value 0.01 micro Farad is plugged to the 120 VRMS AC line. When the frequency is 60 Hz. Find out the peak of the current waveform which flows through the capacitor. Peak not RMS
The dipole moment μ of HCl is found to be 1.0 D, representing a charge separation δ of about 0.17 of an electron charge; the excess positive charge at the H nucleus, the excess electro
Approximating the man through a vertical cylinder of radius Rm = 0.2 m, find out an equation (specific expression) for the angular velocity of the platform as the function of time.
Explain what volume of fuel should you bring? Assume each of the following: the fuel has an average formula of C7H16, 15% of the heat which is generated generated from the combustion goes to heat th
Suppose that you are planning a backpacking trip and will need to boil 36 L of water for your group. When backpacking in the wilderness, hikers often boil water to sterilize it for drinking.
A radio employs a LC parallel circuit to tune to a station. The frequency of the station is around760 kilo-Hertz; determine the value of the inductor when a capacitor of 200 pico-Farads is employed.
Determine the numbers of joules are needed to change the temperature of 60.0g of water from the 23.3 C to 38.8 C?
Avoid friction between the bearings and the shaft of the merry-go-round. (i) Compute the rotational inertia of the merry-go-round about its axis of the rotation.
Determine temperature of water after three hours, where t is in minutes, c is temperature surrounding cooling object and a and k are constants.
Describe the endothermic and exothermic reactions in terms of the sign of ΔH. Discuss how much heat was lost if a 625-ml sample of water was cooled from 50.0 C to 10.0C.
An inductor and a resistor are joined in series across the AC generator. i) Instantly after the switch is closed. Determine the voltage across the resistor?
Determine the percentage of CO in the exhaust gases? ( where the air is 21% O2. regard H2O as a gas) Even in a well-tuned engine, the combustion of C8H18(l) forms about 1mol of CO(g) per mo
Determine the volume of oxygen formed by the electrolysis of 67.0mL of water at the 23.°C and 1.0 atm, using the ideal gas approximation.
An object of 3.38 kg is joined to a 2.28 m long string and swung in the vertical circle at a constant speed of 14.6 m/s. Determine the tension force if the object is at the top of the loop?
Determine the moles of H2O2 present in a sample if the 0.05L of0.25 M KMnO4 solution are needed to react with the sample(use equation from 4F)
Determine the angular speed of the gate just after it is struck through the unfortunate raven?
When the gauge pressure in the tires is 74.5 lb/in2 and the area of contact between each and every tire and the road is 7.13 cm2, determine your weight in Newton?
The water tower 30 m tall is situated at the top of the hill. From the distance of D = 160 m down hill, it is observed that angle formed between top and base of tower is 8°. Determine angle of i