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Determine the number of grams of Calcium Sulfate will be formed, suppose the reaction Ca3 (PO4)2 + 3H2SO4 - 3CaSO4 + 2H3PO4 is carried out starting with the 103.0g of Ca3(PO4)2 and 75.0 g of H
Determine the number of grams of neon will have the same number of atoms as 1,000 g of bromine if an atom of bromine has a mass about four times greater than that of an atom of neon.
A spring having a force constant of 583 N/m is compressed a distance of 61 cm. Determine the resultant raise in the spring's mass?
Explain what will be the cause of discrepancy when the experimental freezing point for cyclohexane is found to be ˜ 1°C less than its value listed which is 6.5°C.
A permanent magnet can pick up a piece of non-magnetized iron. Provide a step-by-step explanation, by using both words and pictures, of how the magnetic force on the iron outcomes from the interacti
The pure rotational microwave spectrum of HCl has absorption lines at the following wave numbers (in cm-1): 21.19, 42.37, 63.56,84.75, 105.93, 127.12, 148.31, 169.49, 190.68, 211.87, 233.06,254.24,
At a temperature of 25 degrees Celsius, the specific heat of hydrogen is 1.43 *10 to the fourth power J/kg*K. When the temperature of a .34 kg sample of hydrogen is to be raided by 25 K, explain how
Determine (a) annual percent growth or decay rate, (b) continuous annual percent growth or decay rate, and (c) doubling time or half-life of population of animals which triples in size every five y
Write down the symbol for this ion (give the ionic charge as a right superscript and give the symbol for the nucleus). One isotope of a metallic element has mass number 58 and has 33 neutro
The mass of person is 70 kg and the length of arms is 90cm. Suppose that the net mass of the arms is positioned at the mid-point of the arm.
A sample of an unknown hydrate of manganese (II) chloride (MnCl2·nH2O) which is having 5.615 g, is heated until all the water of hydration is removed. The MnCl2 which remains has a mass of
Find out a formula for the maximum height h which a rocket will reach if launched vertically from the surface of earth with speed v0 (< vesc). Deduce the terms of v0, rE, ME, and G.
You drop a 105 gram piece of brass which is having the density = 8.56g/cm^3 into the water. If you have a 100.0 ml graduated cylinder having 50.0 ml of water. Explain to what height does the water
The radius of bowl is R=.600m. As the rock reaches point B at the bottom of the bowl it consists of a speed of 1.8 m/s. Determine the work done by the friction on the rock by moving from A to B?
A charge of -3.0 nC is on the x-axis at x = -10 cm and a +5.0 nC charge is on the x-axis at x = 19 cm. Determine a point on the y-axis where the electric potential is zero.
Assume y, number of cases of the disease, is decreased by 6% per year. If there are initially 10,000 cases, state y as the function of t, number of years elapsed.
A space-walking astronaut servicing an orbiting space telescope has run out of fuel for her jet pack and is floating 14.0 m from the space shuttle having zero velocity relative to the shuttle. The a
An RC circuit consists of a resistance of 100 and a capacitive capacitance of 50? (i) Will the phase angle be (a) positive, (b) zero, or (c) negative? Explain why? (ii) Determine the phase angle of
Earth's atmospheric pressure, P, in terms of height above sea level is frequently modeled by the exponential decay function. Determine atmospheric pressure at 60 km?
The ac voltage source consists of an rms voltage of 120 V. Its voltage goes from zero to the maximum value in 4.20 ms. Write down an expression for the voltage as a function of time.
Please determine the length L2, of aluminum wire (having resistivity = 2.82 x 10^-8 ohm m) at the reference temperature (To = 20 C), that consists of the same resistance as a silver wire (having res
A coil of 31.0 cm diameter includes 18 turns of circular copper wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to the plane of coil, changes at a rate of 9.00 x 10-3 T/s. Find out
When the carton travels 5.20 all along the surface of the ramp, compute the work done on it by the rope, gravity, and the normal force of the ramp.
Determine output for each sector which is required to satisfy final demand of $25 million for electricity, $15 million for natural gas, and $20 million for oil.
When the lighter fragment consists of a speed of 0.844c after the breakup, determine the speed of the heavier fragment? (Suppose that the speeds are measured in a frame at rest with respect to the o