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Find a parametric representation for the plane that passes through the point (?2, 2, 1) and contains the vectors i + j ? k and i ? j + k. (Enter your answer as a comma-separated list of equations. Let x, y, and z be in terms of u and/or v.)
a gas mixture with a total pressure of 770 contains each of the following gases at the indicated partial pressures 257
a metal sample weighing 45.0 grams and at a temperature of 99.1 degrees celsius was placed in 38.6 grams of water in a
A buffer, consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system.
a sample of nitrogen has a volume of 630 ml at a temperature of 49 degc. assuming that the pressure is constant what
Calculate the pH of a solution with the following: 5.12 moles of HCl are placed in a 3.00 L of water 4) Given the acid pKa is 4.76. Calculate the pH of a 0.35M acetic acid solution:
Given the equilibrium constants below: (1/2) N2(g) + (1/2) O2(g) NO(g) Kc= 4.8*10^(-10) 2 NO2(g) 2 NO(g) + O2(g) Kc= 1.1*10^(-5) What is the equilibrium constant for: 2 NO2(g) N2(g) + 2 O2(g) Kc=?
At equilibrium the rate of change of reactant concentration is zero. F) As a reaction proceeds backwards toward equilibrium the reactant concentrations rise.
If a diagnostic test starts with 15mCi of Ga-68, how much is left after the test if the test runs for 2 hr and 15 minutes?
Consider the combustion reaction: CH4 (g) + 2O2 (g) = CO2 (g) + 2H2O (l) Is this an exothermic reaction? If 100g of natural gas (CH4) is burned, calculate the heat exchange (balance the equation)
The temperature of the water rose t oa final temperature of 27.84 C. Neglecting heat loss to the room and the heat capacity of the beaker itself, what is the specific heat of the alloy?
This is question is about the Purification Via Chromatography lab: 1.) Briefly discuss the interactions involved in a TLC plate (silica gell and solvent system; adsorption versus solubility). How does variation in polarity of a solvent system affe..
The conjugated system of a retinal consists of 11 carbons atoms and one oxygen atom. In the ground state of retinal. each level up to n=6 is occupied by 2 electrons.
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