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How many grams of sodium sulfate will be formed if you start with 200grams of sodium hydroxide and you have an excess of sulfuric acid?
Sodium bicarbonate is often used as an antacid to neutralize excess hydrochloric acid in an upset stomach. How much hydrochloric acid in grams can be neutralized by 3.5 g of sodium bicarbonate?
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 2.50 mT. The angular momentum of the electron about the center of the circle is 3.00 x 10-25 J&mi
Calculate the change in the total kinetic energy of the system that occurs during the collision.
The principal anion and cation in Lake Huron are hydrogen carbonate and calcium. The concentration of hydrogen carbonate is approximately 1.05 mmol/L.
What is the approximate yield strength of a copper silica alloy which has spherical precipitates of silica of average radius 100 nm. The volume fraction of silica is 1%, the shear modulus is 4.2 &ti
Draw a diagram on the line below which shows 2.5 transverse waves. Measure the line and calculate the wavelength of a single wave in centimeters.
A copper crystal has a homogeneous dislocation density of 10^10 m-2. what is the approximate elastic strain energy of a screw dislocation per metre.
The energy of formation of a vacancy in copper is 1eV. what is approximate relative change in the density of copper due to vacancy formation at a temperature just below its melting point (1356K)
When a dislocation passes right through a crystal slip equal to a lattice spacing occurs. Estimate the number of dislocations on the (111) plane which would be needed to produce 5% plastic deformati
The paint particles in the mist are polarized and as such are attracted to the charged chassis.
Assume that the rod has a slightly flattened bottom so that it slides instead of rolling. Use 9.80 for the magnitude of the acceleration due to gravity. Find, the coefficient of static friction betw
At 1000 K, the total equilibrium vapor pressure over liquid bismuth metal is 4.84 x 10-5 atm. It is known from mass spectrometric experiments that the vapor phase contains both atomic, Bi(g), and d
The normal boiling point of liquid bromine is 58.2°C. At 9.3°C the equilibrium vapor pressure of liquid bromine is 100 torr. From this data, calculate the standard state Gibbs energy of for
Consider light that is refracted by a prism shaped like an equilateral triangle. The incident ray is parallel with the prism's base. What is the total deflection of the ray, given that the index of
What are the charge density and total charge on each plate? Draw the equipotential surfaces at 0.10 V and 0.20 V.
Naphthalene (C10H8) is a solid aromatic compound often sold as mothballs. The complete combustion of this substance to yield CO2(g) and H2O (l) at 25oC yields 5154 kj/mol .
(a) What is the electric force exerted on an electron when it is 3.0 x 10^-15 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?
A 2.0µF capacitor and a 4.0µF capacitor are connected in series across 1000 V. The charged capacitors are then disconnected from the source and connected to each other with terminals of
A 85-turn circular coil has diameter 4.3cm and resistance 2.9O. This coil is placed inside a solenoid, with coil and solenoid axes aligned. The solenoid has 5000 turns of wire and is 21cm long. Par
The human eye contains a molecule called 11-cis-retinal that changes conformation when struck with light of sufficient energy. The change in conformation triggers a series of events that results in
When air pollution is high,ozone can reach .60 ppm. How many molecules of ozone are present per liter of polluted air if the barometric pressure is 755 mmHg and the temperature is 79 degrees Farenhe
A 1.2 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. The force is given by F(x) = (2.5 -
An anakysis of river water yields C : N : P = 41.3 : 2.4 : 0.3. Compare this to the Redfield Ratio of C : N : P = 106 : 16 : 1.What is the CEC (in meq/100 g) of a soil that contains 25.8 mcg/ml Ca2+,