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A thin piece of metal foil is 1.328 ft. long and 5.55 inches wide. The density of the metal is 8.638 g/cm3 and the specific heat of the metal is 0.378 J/g C. If the metal foil absorbs 809.2 J of heat as its temperature changes from 21.20 C to 33.79 C, calculate the thickness of the metal foil in mm.
Calculate the pH of a 1.3x10^-7 M solution of benzoic acid at 25°C. (The pKa of benzoic acid is 4.19 at 25°C. You may have to take into account the autoionization of water).
mos2s 72 o2g moo3s 2 so2g moo3s 3 h2g mos 3 h2os calculate the volumes of air and hydrogen gas at 23degc and 1.00
Determine the hybridization about each interior atom in the following structure. Sketch the 3 dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3
When 35.6 L ammonia and 40.5 L oxygen gas react at STP, NO(g) and water are produced. How many grams of NO(g) are produced assuming 100% yield?
List a possible set of four quantum numbers (n, \ell, m_{\ell}, m_s) in order, for the highest energy electron in gallium, \rm Ga. Refer to the periodic table as necessary.
a 30 g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. what is the momentum of the car?
Given Radon has a density of 9.73 g/L, How many cubic Nanometers of radon would you need if you wanted 43.780g of radon?
What is a catchy, orignal slogan for the element neon that describes one of its important uses?
A reaction in which A,B ,C and react to form products is first order in A, second order in B, and zero order in C. What is the overall order of the reaction?
If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.41 mol of glucose?
What volume in mL of concentrated nitric acid (72.0% HNO3 (w/w), sp. gr. 1.42) is required to prepare exactly 2.00 L of 0.200 M HNO3?
What is true about ideal gas particles? a. Particles interact via the Lennard-Jones potential b. Particle volume is approximated as a sphere with diameter b
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