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What are the partial pressures of N2 and H2O. (NH4)2Cr2O7(s) ? N2(g) + 4 H2O(g) + Cr2O3(s) I answered .066 atm
When an ion-selective electrode for X was immersed in 0.0670 M XCl, the measured potential was 0.0250 V. What is the concentration of X when the potential is 0.0400 V
Three charges (Q1, Q2, and Q3) of equal size and same sign are places on the corners of an equilateral triangle. What is the net electric field at the geometric center of the triangle
Zinc has a work function of 4.30eV. What is the longest wavelength of light that will release an electron from a zinc surface, What is the maximum possible speed of the electron
What would be a better mix and you can go to the USDA sustainable agriculture site or go to the UN, look up "Permaculture" or " Aquaculture"
For the zeroth-order reaction: A ? products, what will happen to the rate of reaction if the concentration of A is doubled? A) The rate will be halved B) The rate will be doubled C) The rate will be
Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What ids the speed of the galaxy relative to earth
For a reaction that follows the general rate law, Rate= k[A] [B]^2, what will happen to the rate of reaction if the concentration of B is increased by a factor of 3.00?
On average, each American produces 20,000 kg of CO2 per year, mostly through the consumption of fossil fuel such as oil, coal, and natural gas. determine the length of each side of the cube
A bird sits on a high-voltage power line with its feet 4.6 cm apart. What is the potential difference between the bird's feet
Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. what is the current in the solution
Ethers react with HI to form two cleavage products. One of the products might react further with HI. In the first box below draw the two major products that could be recovered after treatment with o
At a certain temperature, Kw = 1 x 10-13. This means that pH + pOH = 13 at this temperature. Given this, what is the pOH of 0.05 M Ba(OH)2 at this temperature
An object is placed 10.0\; cm in front of an unknown type of mirror that produces an erect image that is 3.11 times larger than the original object. What is the focal length of the mirror
A 230V shunt motor having an armature resistance of 0.05 ? and a field resistance of 75?? draws a line current of 7 A while running light at 1120 rev/min. determine the total core and mechanical los
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.719 V. If the silver-silver chlor
An object starts from the origin and goes along the x-axis to x = 10 m in 2 s, stops for 5.5 s, and then travels at v = -4 m/s for 2.5 s
A cigarette lighter in a car is a resistor that, when activated, is connected across the 12-V battery. Find the current that the battery delivers to the lighter
Do you think we will have a war over fuel, food or water and give examples to support your ideas and click this link to read the article Population & Environment and prepare a response in a paragr
A small moon of a giant planet has an orbital period of 1.74 days and an orbital radius of 4.02 105 km. determine the mass of the planet
A block of mass M= 100 kg is sliding down an inclined at an angle q= 30 degree above the horizontal. Find the acceleration of the block down the incline
What is the maximum mass of aluminum chloride that can be formed when reacting 29.0g of AL with 34.0g of Cl
A coil with magnetic dipole moment 1.5 A-m^2 is rotated initally with its magnetic moment parallel to a uniform magnetic field of 0.4T. what is the change in potential energy of the coil
What happened to the fabric strip when it was treated with the Test Identification Stain? How might this dye be used