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Question- Suppose that a battery is allowed to supply a current of 0.5 A for 30 minutes. What charge, in coulombs, has been passed in this time?
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What is the volume of a solution, in milliliters, that contains 1.5 g LiNO3 and has a concentration of 0.40 M?
A sample of CaCO 3 (s) is introduced into a sealed container of volume .654 L and heated to 1000 K until equilibrium. The reaction is . K p for the reaction is3.9*10 -2 at this temperature. Calculate the mass of CaO(s ...
Diagonal relationship and anomalous behaviour of the each element of the periodic table
An inorganic chemist studying the reactions of phosphorus halidesmixes 0.1050 mol of PCl5with 0.0420 mol of Cl2 and0.0420 mol of PCl3 in a0.5000 L flask at 250°C. PCl5(g) reversible reaction arrowPCl3(g) + Cl2(g)Kc = 4.2 ...
A watch glass and Filter paper weighing 41.060g was used to collect the CuSCN precipitate in this experiment. After drying, the precipitate, watch glass, and filter paper weighed 42.525g. If the sample alloy used for the ...
A chemist adds 370.0 mL of a 0.371M barium acetate (Ba(C2H3O2)2) solution to a reaction flask. Calculate the millimoles of barium acetate the chemist has added to the flask. Round your answer to 3 significant digits.
An 18g ice cube initially at -10C is dropped into 120 g of water initially at 25C. What is the final temperature of the system after all of the ice has melted? Use the data provided in the reference data sheet and assume ...
How many water molecules are associated with a single salt molecule in a hexahydrate?
Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...
1. Balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of iron(II) chloride and sodium hydroxid ...
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