Explain what mass of water in grams
1. Explain what mass of water, in grams, would have to be decomposed to form the 15.1 L of molecular oxygen at STP?
2. Determine the Ph at the equivalence point for the following titration: 0.20 M HCl versus 0.20 M methylamine (CH3NH2).
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Determine the number of moles of H2 that are present at equilibrium if a mixture of .300moleof CO and .300 mole of H2O is heated to 700 degrees Celsius in a10.0 L container at the 700 degrees Celsius, Kc = .534.
Determine the rate constant and half life for the radium decay. Starting with 1.0g of the radium sample, what is the activity after 500yr? The molar mass of Ra is 226.03 g/mol
Calculate how many liters of O2 reacted with excess SO2 according to the following equation: 2SO2 + O2 = 2SO3 if 640g of SO3 are produced at the STP.
Polyhalogens, define polyhalogens their structure and chemistry of polyhalogens also brief explanation of pseudohalogens
Determine the Ph at the equivalence point for the following titration: 0.20 M HCl versus 0.20 M methylamine (CH3NH2).
Suggest an experiment of drawing randomly three balls from urn containing two red, three white, and four blue balls. Let (X,Y) be bivariate random variable where X and Y denote, respectively, the number of red and white balls chosen.
You have been inquired to design the cryogenic thermometer, for estimating temperature of the bath of liquid helium. (company has some cool toys.) What kind of thermocouple would be appropriate for the measurement?
Evaluate the wavelength of a photon (in nanometers) that is emitted when an electron moves from the n1= 5 to the n2= 2 state in a hydrogen atom? Explain what will be the color of the emitted photon?
Reconsider activities involving the sampling of Reese's Pieces candies. Continue to suppose that 45% of all Reese's Pieces are orange.
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