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The specific heat of air at normal pressure is 1.015 J/(g-°C). Determine the change in air temperature, assuming the heat from the steam is all absorbed by the air?
After t years, annual sales of hundreds of thousands of units of product q is provided by. Find annual sales of the product after seven years.
Explain what mass of potassium hydroxide which is having the molar mass = 56.10g/mol must the student dissolve in the 250mL of solution? A student was asked to prepare exactly the 250 mL of a 0
When a washing machine's drum consists of a radius of 25.7 cm and spins at 3.83 rev/s determine the strength of the artificial gravity to which the clothes are subjected? Represent your answer as a
Propose a Synthetic pathway from the starting material to the product. Supply the Structure of the expected productC10H16 using the Birch Reduction.
The second force consists of a magnitude of 57 N and is directed at an angle with respect to the rod. When the sum of the torques due to the two forces is zero, what should be the angle??
This process releases 2803kJ per mole of glucose. The combustion of glucose (C6H12O6) with oxygen gas forms the water and carbon dioxide. When 3.00 mol of oxygen react in this way with glucose.
The manufacturer of snowblowers uses function P(x) = 500 - 0.5e^(0.004x) to quote unit wholesale price for his most popular unit. Find price per snowblower if company orders 1000.
An object is moved from the distance of 30 cm to a distance of 10 cm in front of the converging lens of focal length 20 cm. What happens to the image?
Illustrate the Lewis dot structures, including the appropriate resonance forms, and assign the formal charges to each of those structures, for the molecule urea, with chemical formula NH2CONH2.
Discuss what was the concentration (M) of the acid when a 25.5 mL aliquot of HCL (aq) of unknown concentration was titrated with the 0.113 M NaOH (aq). It took 51.2 mL of the base to reach th
A circular coil having 60 turns and radius 4 cms is positioned with its plane oriented at 90 degrees to the magnetic field of 0.1 T. The field is now raised at a steady rate, reaching a value of 0.5
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.