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If the pH of solution A is 5.2 and the pH of solution B is 9.2, then solution B has how many fold more or less H+ ions than does solution A?
Make a rough calculation of the amount of CO2 exhaled by a person in day. With this, and assuming a space crew of five, how much LiOH must be taken in a seven day mission? Take into consideration a safety factor of 200%.
the resulting solution required 38.10mL of 0.08765M AgNO3(aq)to precipitate the Cl(aq) and BrCl(s)and AgBr(s) calculate the mass percetage of NaCl(s)in the mixture
Draw the kekule structure of each of the following compounds. if cis/trans isomers exist, draw both and indicate the geometry of each.
Rare bacteria arriving on an asteroid from the invisible moon Teflonia eat C2F4 and use this raw material to make poly-TFE as their cell walls. (PTFE is teflon.) What happens to the equilibrium if the bacteria are added to the reaction mixture?
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -20°C?
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
How many moles of methane (CH4) gas are in 745 mL at 25.5C and 730 torr?
Given a solution containing 0.01M of lead chloride and 0.01M of lead chromate, calculate the concentration of Pb2+. Using the Ksp(PbCl2)=1.7x10^-5 and Ksp(PbCrO4)=1.77x10^-14. What is the solid remaining?
Containers of rubbing alchohol and ammonia are opened simultaniosly in a room. Which will you smell first and why?
Determine the gram-formula mass of the product of this reaction. Include proper units.
A sample of Au(ClO)3 is contaminated with LiClO. An acidified 0.2000 g of this mixture is treated with excess sodium iodide and subjected to iodometric titration.
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